Red Hat Security Advisory: glibc security update
A buffer overflow vulnerability exists in the GNU C Library's assert() function, affecting the glibc packages used by Red Hat Enterprise Linux 9. These libraries are critical for system functionality, including standard C libraries, POSIX threads, math libraries, and the name service cache daemon. Red Hat has issued a security advisory with an update to address this moderate severity vulnerability.
AI Analysis
Technical Summary
The vulnerability identified as CVE-2025-0395 is a buffer overflow in the assert() function of the GNU C Library (glibc). This affects multiple core libraries essential for Linux system operation, including libc, libpthread, libm, and nscd. Red Hat Enterprise Linux 9 and its extended update support versions are impacted. The issue has been rated with moderate security impact by Red Hat Product Security. A security update is available to remediate this vulnerability as detailed in Red Hat Advisory RHSA-2025:4244.
Potential Impact
The buffer overflow in glibc's assert() function could potentially lead to memory corruption, which may affect the stability and security of affected systems. The advisory rates the impact as moderate. No known exploits in the wild have been reported at this time.
Mitigation Recommendations
Red Hat has released an official security update to address this vulnerability. Users of Red Hat Enterprise Linux 9 and related variants should apply the glibc update as described in Red Hat Advisory RHSA-2025:4244 and the referenced article https://access.redhat.com/articles/11258. Applying this update will remediate the buffer overflow issue. No additional mitigation steps are indicated by the vendor.
Red Hat Security Advisory: glibc security update
Description
A buffer overflow vulnerability exists in the GNU C Library's assert() function, affecting the glibc packages used by Red Hat Enterprise Linux 9. These libraries are critical for system functionality, including standard C libraries, POSIX threads, math libraries, and the name service cache daemon. Red Hat has issued a security advisory with an update to address this moderate severity vulnerability.
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability identified as CVE-2025-0395 is a buffer overflow in the assert() function of the GNU C Library (glibc). This affects multiple core libraries essential for Linux system operation, including libc, libpthread, libm, and nscd. Red Hat Enterprise Linux 9 and its extended update support versions are impacted. The issue has been rated with moderate security impact by Red Hat Product Security. A security update is available to remediate this vulnerability as detailed in Red Hat Advisory RHSA-2025:4244.
Potential Impact
The buffer overflow in glibc's assert() function could potentially lead to memory corruption, which may affect the stability and security of affected systems. The advisory rates the impact as moderate. No known exploits in the wild have been reported at this time.
Mitigation Recommendations
Red Hat has released an official security update to address this vulnerability. Users of Red Hat Enterprise Linux 9 and related variants should apply the glibc update as described in Red Hat Advisory RHSA-2025:4244 and the referenced article https://access.redhat.com/articles/11258. Applying this update will remediate the buffer overflow issue. No additional mitigation steps are indicated by the vendor.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2025:4244
- Cve Count
- 1
Threat ID: 6a3da1d54853345fc1826c38
Added to database: 06/25/2026, 21:47:01 UTC
Last enriched: 06/25/2026, 22:14:25 UTC
Last updated: 09/10/2026, 19:36:49 UTC
Views: 27
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