ALSA-2026:42694
ALSA-2026:42694 · Moderate: glibc security update
This page contains facts from public vulnerability sources. Check the original advisory before updating.
This page shows selected source facts. See the linked advisories for the complete description and affected versions.
The glibc packages provide the standard C libraries (libc), POSIX thread libraries (libpthread), standard math libraries (libm), and the name service cache daemon (nscd) used by multiple programs on the system. Without these libraries, the Linux system cannot function correctly. Security Fix(es): * glibc: glibc: Information disclosure or denial of service via ungetwc function with specific wide character encodings (CVE-2026-5928) * glibc: glibc: Out-of-bounds write via TSIG record processing (CVE-2026-5435) * glibc: glibc: Application crash or uninitialized memory read via crafted DNS response (CVE-2026-6238) 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.
Fix available
- Published
- Updated
Stack: system
Affected products and versions
glibc AlmaLinux:10
- Affected ranges
- ECOSYSTEM: < 2.39-128.el10_2.alma.1
Update to 2.39-128.el10_2.alma.1
glibc-all-langpacks AlmaLinux:10
- Affected ranges
- ECOSYSTEM: < 2.39-128.el10_2.alma.1
Update to 2.39-128.el10_2.alma.1
glibc-benchtests AlmaLinux:10
- Affected ranges
- ECOSYSTEM: < 2.39-128.el10_2.alma.1
Update to 2.39-128.el10_2.alma.1
glibc-common AlmaLinux:10
- Affected ranges
- ECOSYSTEM: < 2.39-128.el10_2.alma.1
Update to 2.39-128.el10_2.alma.1
glibc-devel AlmaLinux:10
- Affected ranges
- ECOSYSTEM: < 2.39-128.el10_2.alma.1
Update to 2.39-128.el10_2.alma.1
glibc-doc AlmaLinux:10
- Affected ranges
- ECOSYSTEM: < 2.39-128.el10_2.alma.1
Update to 2.39-128.el10_2.alma.1
glibc-gconv-extra AlmaLinux:10
- Affected ranges
- ECOSYSTEM: < 2.39-128.el10_2.alma.1
Update to 2.39-128.el10_2.alma.1
glibc-langpack-aa AlmaLinux:10
- Affected ranges
- ECOSYSTEM: < 2.39-128.el10_2.alma.1
Update to 2.39-128.el10_2.alma.1
glibc-langpack-af AlmaLinux:10
- Affected ranges
- ECOSYSTEM: < 2.39-128.el10_2.alma.1
Update to 2.39-128.el10_2.alma.1
glibc-langpack-agr AlmaLinux:10
- Affected ranges
- ECOSYSTEM: < 2.39-128.el10_2.alma.1
Update to 2.39-128.el10_2.alma.1
glibc-langpack-ak AlmaLinux:10
- Affected ranges
- ECOSYSTEM: < 2.39-128.el10_2.alma.1
Update to 2.39-128.el10_2.alma.1
glibc-langpack-am AlmaLinux:10
- Affected ranges
- ECOSYSTEM: < 2.39-128.el10_2.alma.1
Update to 2.39-128.el10_2.alma.1
glibc-langpack-an AlmaLinux:10
- Affected ranges
- ECOSYSTEM: < 2.39-128.el10_2.alma.1
Update to 2.39-128.el10_2.alma.1
glibc-langpack-anp AlmaLinux:10
- Affected ranges
- ECOSYSTEM: < 2.39-128.el10_2.alma.1
Update to 2.39-128.el10_2.alma.1
glibc-langpack-ar AlmaLinux:10
- Affected ranges
- ECOSYSTEM: < 2.39-128.el10_2.alma.1
Update to 2.39-128.el10_2.alma.1
glibc-langpack-as AlmaLinux:10
- Affected ranges
- ECOSYSTEM: < 2.39-128.el10_2.alma.1
Update to 2.39-128.el10_2.alma.1
glibc-langpack-ast AlmaLinux:10
- Affected ranges
- ECOSYSTEM: < 2.39-128.el10_2.alma.1
Update to 2.39-128.el10_2.alma.1
glibc-langpack-ayc AlmaLinux:10
- Affected ranges
- ECOSYSTEM: < 2.39-128.el10_2.alma.1
Update to 2.39-128.el10_2.alma.1
glibc-langpack-az AlmaLinux:10
- Affected ranges
- ECOSYSTEM: < 2.39-128.el10_2.alma.1
Update to 2.39-128.el10_2.alma.1
glibc-langpack-be AlmaLinux:10
- Affected ranges
- ECOSYSTEM: < 2.39-128.el10_2.alma.1
Update to 2.39-128.el10_2.alma.1
glibc-langpack-bem AlmaLinux:10
- Affected ranges
- ECOSYSTEM: < 2.39-128.el10_2.alma.1
Update to 2.39-128.el10_2.alma.1
glibc-langpack-ber AlmaLinux:10
- Affected ranges
- ECOSYSTEM: < 2.39-128.el10_2.alma.1
Update to 2.39-128.el10_2.alma.1
glibc-langpack-bg AlmaLinux:10
- Affected ranges
- ECOSYSTEM: < 2.39-128.el10_2.alma.1
Update to 2.39-128.el10_2.alma.1
glibc-langpack-bhb AlmaLinux:10
- Affected ranges
- ECOSYSTEM: < 2.39-128.el10_2.alma.1
Update to 2.39-128.el10_2.alma.1
Original sources
- https://access.redhat.com/errata/RHSA-2026:42694
- https://access.redhat.com/security/cve/CVE-2026-5435
- https://access.redhat.com/security/cve/CVE-2026-5928
- https://access.redhat.com/security/cve/CVE-2026-6238
- https://bugzilla.redhat.com/2459854
- https://bugzilla.redhat.com/2463465
- https://bugzilla.redhat.com/2463539
- https://errata.almalinux.org/10/ALSA-2026-42694.html
- https://osv.dev/vulnerability/ALSA-2026:42694