CVE-2025-0395
CVE-2025-0395 is a medium-severity vulnerability with a CVSS 3.x base score of 6.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-131.
Key facts
- Severity: Medium (CVSS 3.x base score 6.2)
- EPSS exploit prediction: 0% (27th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-1642
- Weakness: CWE-131
- Published:
- Last modified:
Description
When the assert() function in the GNU C Library versions 2.13 to 2.40 fails, it does not allocate enough space for the assertion failure message string and size information, which may lead to a buffer overflow if the message string size aligns to page size.
Frequently asked questions
- What is CVE-2025-0395?
- When the assert() function in the GNU C Library versions 2.13 to 2.40 fails, it does not allocate enough space for the assertion failure message string and size information, which may lead to a buffer overflow if the message string size aligns to page size.
- How severe is CVE-2025-0395?
- CVE-2025-0395 has a CVSS 3.x base score of 6.2, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2025-0395 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2025-0395?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2025-0395 have an EU (EUVD) identifier?
- Yes. CVE-2025-0395 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-1642.
- When was CVE-2025-0395 published?
- CVE-2025-0395 was published on 2025-01-22 and last updated on 2026-06-17.
References
- https://sourceware.org/bugzilla/show_bug.cgi?id=32582
- https://sourceware.org/git/?p=glibc.git;a=blob;f=advisories/GLIBC-SA-2025-0001
- https://sourceware.org/pipermail/libc-announce/2025/000044.html
- https://www.openwall.com/lists/oss-security/2025/01/22/4
- http://www.openwall.com/lists/oss-security/2025/01/22/4
- http://www.openwall.com/lists/oss-security/2025/01/23/2
- http://www.openwall.com/lists/oss-security/2025/04/13/1
- http://www.openwall.com/lists/oss-security/2025/04/24/7
- https://lists.debian.org/debian-lts-announce/2025/04/msg00039.html
- https://security.netapp.com/advisory/ntap-20250228-0006/
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html
- https://cert-portal.siemens.com/productcert/html/ssa-577017.html
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