CVE-2020-22218

NameCVE-2020-22218
DescriptionAn issue was discovered in function _libssh2_packet_add in libssh2 1.10.0 allows attackers to access out of bounds memory.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-3559-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libssh2 (PTS)buster1.8.0-2.1vulnerable
buster (security)1.8.0-2.1+deb10u1fixed
bullseye1.9.0-2vulnerable
bookworm1.10.0-3fixed
trixie, sid1.11.0-4fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libssh2sourcebuster1.8.0-2.1+deb10u1DLA-3559-1
libssh2source(unstable)1.10.0-2

Notes

[bullseye] - libssh2 <no-dsa> (Minor issue)
https://github.com/libssh2/libssh2/pull/476
https://github.com/libssh2/libssh2/commit/642eec48ff3adfdb7a9e562b6d7fc865d1733f45 (libssh2-1.10.0)

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