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apache2 vulnerabilities · Page 3

Vulnerabilities published for apache2 in the last 30 days: 19. Listed in the KEV catalogue: 0.

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Vulnerabilities: 47

  1. CVE-2026-34032

    Medium · CVSS 5.3EPSS 0.48%Fix available

    Apache HTTP Server: mod_proxy_ajp: Heap Buffer Over-Read Due to Missing Null-Termination Check (ajp_msg_get_string)

    Improper Null Termination, Out-of-bounds Read vulnerability in Apache HTTP Server. This issue affects Apache HTTP Server: through 2.4.66. Users are recommended to upgrade to version 2.4.67, which fixes the issue.

    apache2Operating systems
    • Update to 2.4.66-2ubuntu2.1
    Published Updated
    Source advisory 1 ↗Source advisory 2 ↗Source advisory 3 ↗

  3. CVE-2026-24072

    High · CVSS 8.8EPSS 0.65%Fix available

    Apache HTTP Server: mod_rewrite elevation of privileges via ap_expr

    An escalation of privilege bug in various modules in Apache HTTP 2.4.66 and earlier allows local .htaccess authors to read files with the privileges of the httpd user. Users are recommended to upgrade to version 2.4.67, which fixes this issue.

    apache2Operating systems
    • Update to 2.4.66-2ubuntu2.1
    Published Updated
    Source advisory 1 ↗Source advisory 2 ↗Source advisory 3 ↗

  4. CVE-2025-58098

    High · CVSS 8.3EPSS 1.42%Fix available

    Apache HTTP Server: Server Side Includes adds query string to #exec cmd=...

    Apache HTTP Server 2.4.65 and earlier with Server Side Includes (SSI) enabled and mod_cgid (but not mod_cgi) passes the shell-escaped query string to #exec cmd="..." directives. This issue affects Apache HTTP Server before 2.4.66. Users are recommended to upgrade to version 2.4.66, which fixes the issue.

    apache2Operating systems
    • Update to 2.4.66-2ubuntu1
    Published Updated
    Source advisory 1 ↗Source advisory 2 ↗Source advisory 3 ↗

  5. CVE-2025-66200

    Medium · CVSS 5.4EPSS 0.65%Fix available

    Apache HTTP Server: mod_userdir+suexec bypass via AllowOverride FileInfo

    mod_userdir+suexec bypass via AllowOverride FileInfo vulnerability in Apache HTTP Server. Users with access to use the RequestHeader directive in htaccess can cause some CGI scripts to run under an unexpected userid. This issue affects Apache HTTP Server: from 2.4.7 through 2.4.65. Users are recommended to upgrade to version 2.4.66, which fixes the issue.

    apache2Operating systems
    • Update to 2.4.66-2ubuntu1
    Published Updated
    Source advisory 1 ↗Source advisory 2 ↗Source advisory 3 ↗

  6. CVE-2025-65082

    Medium · CVSS 6.5EPSS 0.81%Fix available

    Apache HTTP Server: CGI environment variable override

    Improper Neutralization of Escape, Meta, or Control Sequences vulnerability in Apache HTTP Server through environment variables set via the Apache configuration unexpectedly superseding variables calculated by the server for CGI programs. This issue affects Apache HTTP Server from 2.4.0 through 2.4.65. Users are recommended to upgrade to version 2.4.66 which fixes the issue.

    apache2Operating systems
    • Update to 2.4.66-2ubuntu1
    Published Updated
    Source advisory 1 ↗Source advisory 2 ↗Source advisory 3 ↗

  7. CVE-2025-55753

    High · CVSS 7.5EPSS 0.45%Fix available

    Apache HTTP Server: mod_md (ACME), unintended retry intervals

    An integer overflow in the case of failed ACME certificate renewal leads, after a number of failures (~30 days in default configurations), to the backoff timer becoming 0. Attempts to renew the certificate then are repeated without delays until it succeeds. This issue affects Apache HTTP Server: from 2.4.30 before 2.4.66. Users are recommended to upgrade to version 2.4.66, which fixes the issue.

    apache2Operating systems
    • Update to 2.4.66-2ubuntu1
    Published Updated
    Source advisory 1 ↗Source advisory 2 ↗Source advisory 3 ↗

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