CVE-2021-37136

NameCVE-2021-37136
DescriptionThe Bzip2 decompression decoder function doesn't allow setting size restrictions on the decompressed output data (which affects the allocation size used during decompression). All users of Bzip2Decoder are affected. The malicious input can trigger an OOME and so a DoS attack
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 severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
netty (PTS)stretch1:4.1.7-2+deb9u1vulnerable
stretch (security)1:4.1.7-2+deb9u3vulnerable
buster, buster (security)1:4.1.33-1+deb10u2vulnerable
bookworm, sid, bullseye1:4.1.48-4vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
nettysource(unstable)(unfixed)

Notes

[bullseye] - netty <no-dsa> (Minor issue)
[buster] - netty <no-dsa> (Minor issue)
[stretch] - netty <no-dsa> (Minor issue)
https://github.com/netty/netty/security/advisories/GHSA-grg4-wf29-r9vv
Fixed by: https://github.com/netty/netty/commit/41d3d61a61608f2223bb364955ab2045dd5e4020 (netty-4.1.68.Final)

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