CVE-2025-8058

Description

The regcomp function in the GNU C library version from 2.4 to 2.41 is subject to a double free if some previous allocation fails. It can be accomplished either by a malloc failure or by using an interposed malloc that injects random malloc failures. The double free can allow buffer manipulation depending of how the regex is constructed. This issue affects all architectures and ABIs supported by the GNU C library.

Category

5.9
CVSS
Severity: Medium
CVSS 4.0 •
EPSS 0.01%
Affected: The GNU C Library glibc
Published at:
Updated at:

References

Link Tags
https://sourceware.org/bugzilla/show_bug.cgi?id=33185
https://sourceware.org/git/?p=glibc.git;a=commit;h=3ff17af18c38727b88d9115e536c069e6b5d601f

Frequently Asked Questions

What is the severity of CVE-2025-8058?
CVE-2025-8058 has been scored as a medium severity vulnerability.
How to fix CVE-2025-8058?
To fix CVE-2025-8058, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-8058 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-8058 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-8058?
CVE-2025-8058 affects The GNU C Library glibc.
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