Vulnerability in The GNU C Library Glibc
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.2 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.004 (26.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 27th percentile — 26.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- The GNU C Library Glibc — versions 2.13
Weakness classification (CWE)
Public proof-of-concept exploits
References
- 3ff69d7a-14f2-4f67-a097-88dee7810d18
- 3ff69d7a-14f2-4f67-a097-88dee7810d18
- 3ff69d7a-14f2-4f67-a097-88dee7810d18
- 3ff69d7a-14f2-4f67-a097-88dee7810d18
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2025-0395?
- CVE-2025-0395 is a medium-severity vulnerability in The GNU C Library Glibc, classified under Incorrect Calculation of Buffer Size. CVSS score: 6.2/10. Published 2025-01-22.
- How severe is CVE-2025-0395?
- Medium severity. CVSS v3 base score is 6.2 out of 10.
- Is CVE-2025-0395 known to be exploited?
- 7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.