CVE-2020-21528

NameCVE-2020-21528
DescriptionA Segmentation Fault issue discovered in in ieee_segment function in outieee.c in nasm 2.14.03 and 2.15 allows remote attackers to cause a denial of service via crafted assembly file.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, 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)jessie2.11.05-1vulnerable
stretch2.12.01-1vulnerable
buster2.14-1vulnerable
bullseye2.15.05-1vulnerable
sid, trixie, bookworm2.16.01-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
nasmsourcejessie(unfixed)end-of-life
nasmsource(unstable)2.16.01-1unimportant

Notes

https://bugzilla.nasm.us/show_bug.cgi?id=3392637
Introduced by: https://github.com/netwide-assembler/nasm/commit/98578071b9d71ecaa2344dd9c185237c1765041e (nasm-2.14rc1)
Fixed by: https://github.com/netwide-assembler/nasm/commit/93c774d482694643cafbc82578ac8b729fb5bc8b (nasm-2.16rc1)
Crash in CLI tool, no security impact

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