CVE-2021-33294

NameCVE-2021-33294
DescriptionIn elfutils 0.183, an infinite loop was found in the function handle_symtab in readelf.c .Which allows attackers to cause a denial of service (infinite loop) via crafted 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
elfutils (PTS)buster0.176-1.1vulnerable
buster (security)0.176-1.1+deb10u1vulnerable
bullseye0.183-1vulnerable
bookworm0.188-2.1fixed
trixie0.190-1fixed
sid0.190-1.1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
elfutilssource(unstable)0.185-2unimportant

Notes

Hang in CLI tool, no security impact
https://sourceware.org/bugzilla/show_bug.cgi?id=27501
https://sourceware.org/git/?p=elfutils.git;a=commit;h=480b6fa3662ba8ffeee274bf0d37423413c01e55 (elfutils-0.184)

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