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Vulnerability · Published Oct 16, 2025 · Assigned by VulDB

CVE-2025-11839GNU Binutils prdbg.c tg_tag_type return value

Low 3.3

In plain English

A low-severity security flaw in Binutils from GNU. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 21% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)3.3Low
Exploit odds (30 days)0.3%top 79.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

A security flaw has been discovered in GNU Binutils 2.45. Impacted is the function tg_tag_type of the file prdbg.c. Performing a manipulation results in unchecked return value. The attack needs to be approached locally. The exploit has been released to the public and may be used for attacks.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12binutilsno fix listedDEBIAN-CVE-2025-11839
Debian:13binutilsno fix listedDEBIAN-CVE-2025-11839
Debian:14binutils2.46-1DEBIAN-CVE-2025-11839
Ubuntu:22.04:LTSbinutils2.38-4ubuntu2.11USN-7899-1
Ubuntu:22.04:LTSbinutils2.38-4ubuntu2.11UBUNTU-CVE-2025-11839
Ubuntu:24.04:LTSbinutils2.42-4ubuntu2.7USN-7899-1
Ubuntu:24.04:LTSbinutils2.42-4ubuntu2.7UBUNTU-CVE-2025-11839
Ubuntu:25.10binutils2.45-7ubuntu1.1UBUNTU-CVE-2025-11839
Ubuntu:25.10binutils2.45-7ubuntu1.1USN-7899-1

Affected products (as reported)

VendorProductVersions
GNU Binutils 2.45

Weakness: CWE-252, CWE-253 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R

References