#VU113187 Double free in Glibc - CVE-2025-8058

Vulnerability identifier: #VU113187

Vulnerability risk: High

CVSSv4.0: 7.2 [CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2025-8058

CWE-ID: CWE-415

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Glibc
Universal components / Libraries / Libraries used by multiple products

Vendor: GNU

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the regcomp() function in case previous memory allocations fail. A remote attacker can pass specially crafted data to the application, trigger double free error and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Glibc: 2.4 - 2.41.9000

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External links
https://sourceware.org/bugzilla/show_bug.cgi?id=33185
https://sourceware.org/git/?p=glibc.git;a=commit;h=3ff17af18c38727b88d9115e536c069e6b5d601f
https://sourceware.org/git/?p=glibc.git;a=blob_plain;f=advisories/GLIBC-SA-2025-0005;hb=HEAD

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?