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 advisories/code/issues, web search, more)
ReferencesDLA-3268-1, DSA-5316-1
Debian Bugs1014769

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
netty (PTS)buster1:4.1.33-1+deb10u2vulnerable
buster (security)1:4.1.33-1+deb10u3fixed
bullseye1:4.1.48-4vulnerable
bullseye (security)1:4.1.48-4+deb11u1fixed
bookworm, sid1:4.1.48-7fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
nettysourcebuster1:4.1.33-1+deb10u3DLA-3268-1
nettysourcebullseye1:4.1.48-4+deb11u1DSA-5316-1
nettysource(unstable)1:4.1.48-61014769

Notes

[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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