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Operating systems stack vulnerabilities · Page 92

Vulnerabilities published for Operating systems in the last 30 days: 6405. Listed in the KEV catalogue: 4.

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Vulnerabilities: 160376

  1. RLSA-2026:85959

    Medium · CVSS 5.3Fix available

    Moderate: fetchmail security update

    Fetchmail is a remote mail retrieval and forwarding utility intended for use over on-demand TCP/IP links, like SLIP or PPP connections. Fetchmail supports every remote-mail protocol currently in use on the Internet (POP2, POP3, RPOP, APOP, KPOP, all IMAPs, ESMTP ETRN, IPv6, and IPSEC) for retrieval. Then Fetchmail forwards the mail through SMTP so the user can read it through their favorite mail client. Security Fix(es): * fetchmail: fetchmail: stack-based buffer overflow in NTLM authentication (fetchmail-SA-2026-01) (CVE-2026-94184) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and othe

    fetchmailOperating systems
    • Update to 0:6.4.38-3.el10_2.1
    Published Updated
    Source advisory 1 ↗Source advisory 2 ↗Source advisory 3 ↗

  2. RLSA-2026:87151

    High · CVSS 8.1Fix available

    Important: php security update

    PHP is an HTML-embedded scripting language commonly used with the Apache HTTP Server. Security Fix(es): * php: php: Denial of Service via unbounded recursion in SOAP parser (CVE-2026-91765) * php: OOM bailout during request parsing leads to memory corruption and RCE (CVE-2026-109618) * php: fatal error handling retains stale request state leading to use-after-free (CVE-2026-109619) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

    phpOperating systems PHP
    • Update to 0:8.0.30-8.el9_8.1
    Published Updated
    Source advisory 1 ↗Source advisory 2 ↗Source advisory 3 ↗

  3. RLSA-2026:87082

    High · CVSS 7.5Fix available

    Important: qt5-qtbase security update

    Qt is a software toolkit for developing applications. The qt5-base packages contain base tools for string, xml, and network handling in Qt. Security Fix(es): * qtbase: qt5-qtbase: qt6-qtbase: qtbase: Denial of Service via uncontrolled recursion in XML serialization (CVE-2026-11573) * qt5-qtbase: qt6-qtbase: Qt: Denial of Service vulnerability in XML parsing (CVE-2026-19248) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

    qt5-qtbaseOperating systems
    • Update to 0:5.15.9-11.el9_8.2
    Published Updated
    Source advisory 1 ↗Source advisory 2 ↗Source advisory 3 ↗

  4. RLSA-2026:87079

    High · CVSS 8.1Fix available

    Important: php:8.3 security update

    PHP is an HTML-embedded scripting language commonly used with the Apache HTTP Server. Security Fix(es): * php: php: Denial of Service via unbounded recursion in SOAP parser (CVE-2026-91765) * php: OOM bailout during request parsing leads to memory corruption and RCE (CVE-2026-109618) * php: fatal error handling retains stale request state leading to use-after-free (CVE-2026-109619) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

    php php-pecl-apcu php-pecl-apcu php-pecl-redis6 php-pecl-rrd php-pecl-rrd php-pecl-rrd php-pecl-xdebug3 php-pecl-zip php-pecl-zipOperating systems PHP
    • Update to 0:1.22.3-1.module+el9.7.0+40004+bf50a568
    • Update to 0:1.22.3-1.module+el9.7.0+40005+715283ec
    • Update to 0:2.0.3-4.module+el9.7.0+40003+454ed3c4
    • Update to 0:2.0.3-4.module+el9.7.0+40004+bf50a568
    • Update to 0:2.0.3-4.module+el9.7.0+40005+715283ec
    • Update to 0:3.3.1-1.module+el9.7.0+40005+715283ec
    • Update to 0:5.1.23-1.module+el9.7.0+40004+bf50a568
    • Update to 0:5.1.23-1.module+el9.7.0+40005+715283ec
    • Update to 0:6.1.0-3.module+el9.8.0+40203+35cc8ffc
    • Update to 0:8.3.36-1.module+el9.8.0+40396+4e680bb7
    Published Updated
    Source advisory 1 ↗Source advisory 2 ↗Source advisory 3 ↗

  5. RLSA-2026:87072

    High · CVSS 8.1Fix available

    Important: php:8.2 security update

    PHP is an HTML-embedded scripting language commonly used with the Apache HTTP Server. Security Fix(es): * php: php: Denial of Service via unbounded recursion in SOAP parser (CVE-2026-91765) * php: OOM bailout during request parsing leads to memory corruption and RCE (CVE-2026-109618) * php: fatal error handling retains stale request state leading to use-after-free (CVE-2026-109619) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

    php php-pecl-apcu php-pecl-apcu php-pecl-rrd php-pecl-rrd php-pecl-rrd php-pecl-xdebug3 php-pecl-zip php-pecl-zipOperating systems PHP
    • Update to 0:1.22.3-1.module+el9.7.0+40004+bf50a568
    • Update to 0:1.22.3-1.module+el9.7.0+40005+715283ec
    • Update to 0:2.0.3-4.module+el9.7.0+40003+454ed3c4
    • Update to 0:2.0.3-4.module+el9.7.0+40004+bf50a568
    • Update to 0:2.0.3-4.module+el9.7.0+40005+715283ec
    • Update to 0:3.2.2-2.module+el9.7.0+40004+bf50a568
    • Update to 0:5.1.23-1.module+el9.7.0+40004+bf50a568
    • Update to 0:5.1.23-1.module+el9.7.0+40005+715283ec
    • Update to 0:8.2.35-1.module+el9.8.0+40395+2f706e64
    Published Updated
    Source advisory 1 ↗Source advisory 2 ↗Source advisory 3 ↗

  6. RLSA-2026:86983

    High · CVSS 7.1Fix available

    Important: openexr security update

    OpenEXR is an open-source high-dynamic-range floating-point image file format for high-quality image processing and storage. This document presents a brief overview of OpenEXR and explains concepts that are specific to this format. This package containes the binaries for OpenEXR. Security Fix(es): * openexr: OpenEXR: Memory corruption and Denial of Service via crafted EXR file processing (CVE-2026-34544) * openexr: OpenEXR: Denial of Service or Information Disclosure via crafted EXR image file (CVE-2026-59982) * openexr: OpenEXR: Out-of-bounds write vulnerability via crafted EXR files (CVE-2026-59184) * openexr: OpenEXR: Information dis

    openexrOperating systems
    • Update to 0:3.1.1-3.el9_8.5
    Published Updated
    Source advisory 1 ↗Source advisory 2 ↗Source advisory 3 ↗

  7. RLSA-2026:86981

    Medium · CVSS 5.3Fix available

    Moderate: fetchmail security update

    Fetchmail is a remote mail retrieval and forwarding utility intended for use over on-demand TCP/IP links, like SLIP or PPP connections. Fetchmail supports every remote-mail protocol currently in use on the Internet (POP2, POP3, RPOP, APOP, KPOP, all IMAPs, ESMTP ETRN, IPv6, and IPSEC) for retrieval. Then Fetchmail forwards the mail through SMTP so the user can read it through their favorite mail client. Security Fix(es): * fetchmail: fetchmail: stack-based buffer overflow in NTLM authentication (fetchmail-SA-2026-01) (CVE-2026-94184) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and othe

    fetchmailOperating systems
    • Update to 0:6.4.24-1.el9_8.1
    Published Updated
    Source advisory 1 ↗Source advisory 2 ↗Source advisory 3 ↗

  8. RLSA-2026:86970

    Medium · CVSS 5.5Fix available

    Moderate: cockpit-machines security update

    Cockpit component for managing libvirt virtual machines. Security Fix(es): * cockpit-machines: cockpit-machines: Sensitive data exposure via command-line arguments (CVE-2026-92768) * cockpit-machines: cockpit-machines: Sensitive Data Exposure of guest credentials via JSON argument in process list (CVE-2026-92747) * cockpit-machines: cockpit-machines: Information Disclosure of RHSM Offline Token via Process Arguments (CVE-2026-92745) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

    cockpit-machinesOperating systems
    • Update to 0:348.1-1.el9_8
    Published Updated
    Source advisory 1 ↗Source advisory 2 ↗Source advisory 3 ↗

  9. RLSA-2026:86921

    High · CVSS 7.8Fix available

    Important: librsvg2 security update

    The librsvg2 packages provide a Scalable Vector Graphics (SVG) library based on the libart library. Security Fix(es): * librsvg: Use-after-free when XML includes have duplicated entities (CVE-2026-96889,RUSTSEC-2026-0305) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

    librsvg2Operating systems
    • Update to 0:2.50.7-3.el9_8.1
    Published Updated
    Source advisory 1 ↗Source advisory 2 ↗Source advisory 3 ↗

  10. RLSA-2026:86706

    High · CVSS 7.5Fix available

    Moderate: jackson-core security update

    Core part of Jackson that defines Streaming API as well as basic shared abstractions. Security Fix(es): * com.fasterxml.jackson/jackson-core: tools.jackson.core/jackson-core: Jackson-core: Denial of Service via regular expression backtracking (CVE-2026-89407) * com.fasterxml.jackson.core/jackson-core: Jackson-core: Denial of Service via unbounded StringBuilder growth during malformed token processing (CVE-2026-89425) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

    jackson-coreOperating systems
    • Update to 0:2.21.6-1.el9_8.2
    Published Updated
    Source advisory 1 ↗Source advisory 2 ↗Source advisory 3 ↗

  11. RLSA-2026:86196

    High · CVSS 7.5Fix available

    Important: golang security, bug fix, and enhancement update

    The golang packages provide the Go programming language compiler. Security Fix(es): * net/http: golang: golang: Denial of Service via crafted HTTP Range headers (CVE-2026-78667) * crypto/tls: golang: crypto/tls: Denial of Service via multiple ECH outer extension references (CVE-2026-97031) * net/http: net/http/internal/http2: golang.org/x/net/http2: net/http: Denial of Service via excessive HTTP/2 SETTINGS frames (CVE-2026-78669) * golang: crypto/x509: Go: crypto/x509: mitigation for security concerns with a specific Certificate Authority (CVE-2026-111943) Bug Fix(es) and Enhancement(s): * Update Go to version 1.26.10+1 [rhel-9.8.z] (J

    golangOperating systems
    • Update to 0:1.26.10-1.el9_8
    Published Updated
    Source advisory 1 ↗Source advisory 2 ↗Source advisory 3 ↗

  12. RLSA-2026:86193

    Critical · CVSS 9.4Fix available

    Critical: .NET 10.0 security, bug fix, and enhancement update

    .NET is a fast, lightweight and modular platform for creating cross platform applications that work on Linux, macOS and Windows. It particularly focuses on creating console applications, web applications and micro-services. .NET contains a runtime conforming to .NET Standards a set of framework libraries, an SDK containing compilers and a 'dotnet' application to drive everything. SDK version: 10.0.113 Runtime version: 10.0.13 Security Fix(es): * dotnet: dotnet10.0: ASP.NET Core Remote Code Execution Vulnerability (CVE-2026-102870) * dotnet10.0: dotnet9.0: dotnet: dotnet8.0: .NET Denial of Service Vulnerability (CVE-2026-58280) * dotnet

    dotnet10.0Operating systems
    • Update to 0:10.0.113-1.el9_8
    Published Updated
    Source advisory 1 ↗Source advisory 2 ↗Source advisory 3 ↗

  13. RLSA-2026:86171

    Critical · CVSS 9.4Fix available

    Critical: .NET 9.0 security, bug fix, and enhancement update

    .NET is a fast, lightweight and modular platform for creating cross platform applications that work on Linux, macOS and Windows. It particularly focuses on creating console applications, web applications and micro-services. .NET contains a runtime conforming to .NET Standards a set of framework libraries, an SDK containing compilers and a 'dotnet' application to drive everything. SDK version: 9.0.122 Runtime version: 9.0.21 Security Fix(es): * dotnet10.0: dotnet9.0: dotnet: dotnet8.0: .NET Denial of Service Vulnerability (CVE-2026-58280) * dotnet10.0: dotnet8.0: dotnet9.0: dotnet: .NET Information Disclosure Vulnerability (CVE-2026-6682

    dotnet9.0Operating systems
    • Update to 0:9.0.122-1.el9_8
    Published Updated
    Source advisory 1 ↗Source advisory 2 ↗Source advisory 3 ↗

  14. RLSA-2026:86169

    Critical · CVSS 9.4Fix available

    Critical: .NET 8.0 security, bug fix, and enhancement update

    .NET is a fast, lightweight and modular platform for creating cross platform applications that work on Linux, macOS and Windows. It particularly focuses on creating console applications, web applications and micro-services. .NET contains a runtime conforming to .NET Standards a set of framework libraries, an SDK containing compilers and a 'dotnet' application to drive everything. SDK version: 8.0.132 Runtime version: 8.0.32 Security Fix(es): * dotnet10.0: dotnet9.0: dotnet: dotnet8.0: .NET Denial of Service Vulnerability (CVE-2026-58280) * dotnet10.0: dotnet8.0: dotnet9.0: dotnet: .NET Information Disclosure Vulnerability (CVE-2026-6682

    dotnet8.0Operating systems
    • Update to 0:8.0.132-1.el9_8
    Published Updated
    Source advisory 1 ↗Source advisory 2 ↗Source advisory 3 ↗

  15. RLSA-2026:86033

    High · CVSS 8.8Fix available

    Important: kernel security, bug fix, and enhancement update

    The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: openvswitch: defer tunnel netdev_put to RCU release (CVE-2026-31678) * kernel: xfrm: espintcp: do not reuse an in-progress partial send (CVE-2026-52935) * kernel: USB: serial: mxuport: fix memory corruption with small endpoint (CVE-2026-63899) * kernel: bridge: mcast: Fix a possible use-after-free when removing a bridge port (CVE-2026-64032) * kernel: tcp: fix stale per-CPU tcp_tw_isn leak enabling ISN prediction (CVE-2026-64024) * kernel: usb: typec: tcpm: bound altmode_desc[] per iteration in svdm_consume_modes() (CVE-202

    kernelOperating systems
    • Update to 0:5.14.0-687.59.1.el9_8
    Published Updated
    Source advisory 1 ↗Source advisory 2 ↗Source advisory 3 ↗

  16. RLSA-2026:85958

    Medium · CVSS 6.5Fix available

    Moderate: openssh security update

    OpenSSH is an SSH protocol implementation supported by a number of Linux, UNIX, and similar operating systems. It includes the core files necessary for both the OpenSSH client and server. Security Fix(es): * openssh: OpenSSH: SFTP security bypass due to command-line argument parsing flaw (CVE-2026-59997) * openssh: OpenSSH: Undocumented GSSAPIStrictAcceptorCheck behavior impacts security in Windows Active Directory (CVE-2026-59998) * openssh: OpenSSH: Denial of Service via excessive GSSAPI authentication attempts (CVE-2026-60000) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other

    opensshOperating systems Network services
    • Update to 0:9.9p1-13.el9_8.rocky.0.1
    Published Updated
    Source advisory 1 ↗Source advisory 2 ↗Source advisory 3 ↗

  17. RLSA-2026:85929

    High · CVSS 7.5Fix available

    Important: python3.12-urllib3 security update

    Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems. Security Fix(es): * urllib3: urllib3: Denial of Service via unbounded memory allocation in chunk parser (CVE-2026-97689) * urllib3: urllib3: Traffic interception via HTTPS proxy TLS configuration override (CVE-2026-97687) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the

    python3.12-urllib3Operating systems
    • Update to 0:1.26.19-3.el9_8.2
    Published Updated
    Source advisory 1 ↗Source advisory 2 ↗Source advisory 3 ↗

  18. RLSA-2026:87080

    High · CVSS 8.1Fix available

    Important: php:7.4 security update

    PHP is an HTML-embedded scripting language commonly used with the Apache HTTP Server. Security Fix(es): * php: php: Out-of-bounds read via empty HTTP redirect Location header (CVE-2026-93682) * php: PHP: Archive entry injection via integer overflow in TAR parser (CVE-2026-6103) * php: PHP: Denial of Service via heap buffer overflow in SOAP client (CVE-2025-14181) * php: php: Denial of Service via unbounded recursion in SOAP parser (CVE-2026-91765) * php: php: Credential disclosure via cross-origin HTTP redirects (CVE-2026-91766) * php: php: Information disclosure via crafted TLS server certificate (CVE-2026-91767) * php: php: Denial o

    libzip libzip php php-pear php-pear php-pear php-pecl-apcu php-pecl-apcu php-pecl-rrd php-pecl-rrd php-pecl-rrd php-pecl-xdebugOperating systems PHP
    • Update to 0:1.6.1-1.module+el8.10.0+1604+6558efc7
    • Update to 0:1.6.1-1.module+el8.10.0+1912+72767185
    • Update to 0:2.0.1-1.module+el8.10.0+1604+6558efc7
    • Update to 0:2.0.1-1.module+el8.10.0+1912+72767185
    • Update to 0:2.0.1-1.module+el8.4.0+414+2e7afcdd
    • Update to 0:2.9.5-1.module+el8.10.0+1912+72767185
    • Update to 0:5.1.18-1.module+el8.10.0+1604+6558efc7
    • Update to 0:5.1.18-1.module+el8.10.0+1912+72767185
    • Update to 0:7.4.33-8.module+el8.10.0+40393+c071e357
    • Update to 1:1.10.13-1.module+el8.10.0+1604+6558efc7
    • Update to 1:1.10.13-1.module+el8.10.0+1605+02e07af7
    • Update to 1:1.10.13-1.module+el8.10.0+1912+72767185
    Published Updated
    Source advisory 1 ↗Source advisory 2 ↗Source advisory 3 ↗

  19. RLSA-2026:86982

    Medium · CVSS 5.3Fix available

    Moderate: fetchmail security update

    Fetchmail is a remote mail retrieval and forwarding utility intended for use over on-demand TCP/IP links, like SLIP or PPP connections. Fetchmail supports every remote-mail protocol currently in use on the Internet (POP2, POP3, RPOP, APOP, KPOP, all IMAPs, ESMTP ETRN, IPv6, and IPSEC) for retrieval. Then Fetchmail forwards the mail through SMTP so the user can read it through their favorite mail client. Security Fix(es): * fetchmail: fetchmail: stack-based buffer overflow in NTLM authentication (fetchmail-SA-2026-01) (CVE-2026-94184) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and othe

    fetchmailOperating systems
    • Update to 0:6.4.24-1.el8_10.1
    Published Updated
    Source advisory 1 ↗Source advisory 2 ↗Source advisory 3 ↗

  20. RLSA-2026:86907

    High · CVSS 7.8Fix available

    Important: xorg-x11-server-Xwayland security update

    Xwayland is an X server for running X clients under Wayland. Security Fix(es): * xorg-x11-server: xorg-x11-server: Arbitrary code execution via use-after-free in passive grab handling (CVE-2026-93516) * xorg-x11-server: xorg-x11-server: Privilege escalation via crafted RandR provider property requests (CVE-2026-93521) * xorg-x11-server: xwayland: xorg-x11-server: Arbitrary code execution via double-free in XKB geometry handling (CVE-2026-88812) * xorg-x11-server: xorg-x11-server: Out-of-bounds write via unvalidated modifier in ProcXIPassiveUngrabDevice (CVE-2026-93523) * xorg-x11-server: xorg-x11-server: arbitrary code execution via GLX

    xorg-x11-server-xwaylandOperating systems
    • Update to 0:21.1.3-20.el8_10.4
    Published Updated
    Source advisory 1 ↗Source advisory 2 ↗Source advisory 3 ↗

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