CVE-2025-0395 (CVSS 6.2)

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.

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CVSS v3.1 Score

6.2

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness Type (CWE)

CWE-131 CWE-131

References

Other 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/

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. It has a CVSS v3.1 base score of 6.2 (MEDIUM).

How severe is CVE-2025-0395? +

CVE-2025-0395 has a CVSS v3.1 score of 6.2 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

How do I check if I'm vulnerable to CVE-2025-0395? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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