CVE-2026-6068

NameCVE-2026-6068
DescriptionNASM contains a heap use after free vulnerability in response file (-@) processing where a dangling pointer to freed memory is stored in the global depend_file and later dereferenced, as the response-file buffer is freed before the pointer is used, allowing for data corruption or unexpected behavior.
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
nasm (PTS)bullseye2.15.05-1vulnerable
bookworm2.16.01-1vulnerable
trixie2.16.03-1vulnerable
forky, sid3.01-1vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
nasmsource(unstable)(unfixed)

Notes

https://github.com/netwide-assembler/nasm/issues/222

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