CVE-2021-3405

NameCVE-2021-3405
DescriptionA flaw was found in libebml before 1.4.2. A heap overflow bug exists in the implementation of EbmlString::ReadData and EbmlUnicodeString::ReadData in libebml.
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
Debian Bugs982597

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libebml (PTS)stretch1.3.4-1+deb9u1vulnerable
buster1.3.6-2vulnerable
bullseye, sid1.4.2-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libebmlsource(unstable)1.4.2-1982597

Notes

https://github.com/Matroska-Org/libebml/issues/74

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