CVE-2026-3442

NameCVE-2026-3442
DescriptionA flaw was found in GNU Binutils. This vulnerability, a heap-based buffer overflow, specifically an out-of-bounds read, exists in the bfd linker component. An attacker could exploit this by convincing a user to process a specially crafted malicious XCOFF object file. Successful exploitation may lead to the disclosure of sensitive information or cause the application to crash, resulting in an application level denial of service.
SourceCVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
binutils (PTS)bullseye2.35.2-2vulnerable
bookworm2.40-2vulnerable
trixie2.44-3vulnerable
forky, sid2.46-3vulnerable

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
binutilssource(unstable)(unfixed)unimportant

Notes

https://bugzilla.redhat.com/show_bug.cgi?id=2443828
binutils not covered by security support

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