Red Hat Security Advisory: glibc security update
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: Integer overflow in memalign leads to heap corruption (CVE-2026-0861) * glibc: glibc: Information disclosure via zero-valued network query (CVE-2026-0915) 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.
AI Analysis
Technical Summary
This advisory covers two vulnerabilities in the GNU C Library (glibc) used by Red Hat Enterprise Linux 10. CVE-2026-0861 is an integer overflow in the memalign function that can cause heap corruption. CVE-2026-0915 involves information disclosure through zero-valued network queries. Both issues affect core system libraries essential for Linux operation. The advisory references updated glibc packages that fix these vulnerabilities. No CVSS scores are provided in the advisory, but the severity is rated moderate by Red Hat Product Security.
Potential Impact
The integer overflow vulnerability (CVE-2026-0861) could lead to heap corruption, potentially causing application crashes or unpredictable behavior. The information disclosure vulnerability (CVE-2026-0915) may allow unauthorized disclosure of information via crafted network queries. Both vulnerabilities affect critical system libraries, which could impact system stability and confidentiality if exploited. No known exploits are reported in the wild at this time.
Mitigation Recommendations
Red Hat has released updated glibc packages for Red Hat Enterprise Linux 10 that address these vulnerabilities. Users should apply the official Red Hat updates as detailed in the advisory (RHSA-2026:1334) and the referenced article https://access.redhat.com/articles/11258. There is no indication that additional mitigation steps are required beyond applying these updates.
Red Hat Security Advisory: glibc security update
Description
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: Integer overflow in memalign leads to heap corruption (CVE-2026-0861) * glibc: glibc: Information disclosure via zero-valued network query (CVE-2026-0915) 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.
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This advisory covers two vulnerabilities in the GNU C Library (glibc) used by Red Hat Enterprise Linux 10. CVE-2026-0861 is an integer overflow in the memalign function that can cause heap corruption. CVE-2026-0915 involves information disclosure through zero-valued network queries. Both issues affect core system libraries essential for Linux operation. The advisory references updated glibc packages that fix these vulnerabilities. No CVSS scores are provided in the advisory, but the severity is rated moderate by Red Hat Product Security.
Potential Impact
The integer overflow vulnerability (CVE-2026-0861) could lead to heap corruption, potentially causing application crashes or unpredictable behavior. The information disclosure vulnerability (CVE-2026-0915) may allow unauthorized disclosure of information via crafted network queries. Both vulnerabilities affect critical system libraries, which could impact system stability and confidentiality if exploited. No known exploits are reported in the wild at this time.
Mitigation Recommendations
Red Hat has released updated glibc packages for Red Hat Enterprise Linux 10 that address these vulnerabilities. Users should apply the official Red Hat updates as detailed in the advisory (RHSA-2026:1334) and the referenced article https://access.redhat.com/articles/11258. There is no indication that additional mitigation steps are required beyond applying these updates.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:1334
- Cve Count
- 2
- Additional Cves
- ["CVE-2026-0915"]
Threat ID: 6a209829e29bf47b50ebd088
Added to database: 06/03/2026, 21:10:01 UTC
Last enriched: 08/16/2026, 18:39:05 UTC
Last updated: 09/10/2026, 19:36:52 UTC
Views: 236
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