CVE-2021-31872

NameCVE-2021-31872
DescriptionAn issue was discovered in klibc before 2.0.9. Multiple possible integer overflows in the cpio command on 32-bit systems may result in a buffer overflow or other security impact.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severityhigh

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
klibc (PTS)stretch2.0.4-9vulnerable
buster2.0.6-1vulnerable
bullseye, sid2.0.8-6fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
klibcsource(unstable)2.0.8-6

Notes

[buster] - klibc <no-dsa> (Minor issue; only used in initramfs and not dealing with untrusted data)
[stretch] - klibc <no-dsa> (Minor issue; only used in initramfs and not dealing with untrusted data)
https://git.kernel.org/pub/scm/libs/klibc/klibc.git/commit/?id=9b1c91577aef7f2e72c3aa11a27749160bd278ff
https://www.openwall.com/lists/oss-security/2021/04/30/1

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