CVE-2019-11703

NameCVE-2019-11703
DescriptionA flaw in Thunderbird's implementation of iCal causes a heap buffer overflow in parser_get_next_char when processing certain email messages, resulting in a potentially exploitable crash. This vulnerability affects Thunderbird < 60.7.1.
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)
ReferencesDLA-1820-1, DSA-4464-1
NVD severityhigh

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
thunderbird (PTS)stretch1:68.10.0-1~deb9u1fixed
stretch (security)1:78.3.1-2~deb9u1fixed
buster1:68.12.0-1~deb10u1fixed
buster (security)1:78.3.1-2~deb10u2fixed
bullseye1:68.12.0-1fixed
sid1:78.4.0-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
thunderbirdsourcejessie1:60.7.1-1~deb8u1DLA-1820-1
thunderbirdsourcestretch1:60.7.1-1~deb9u1DSA-4464-1
thunderbirdsource(unstable)1:60.7.1-1

Notes

https://www.openwall.com/lists/oss-security/2019/06/13/2
https://bugzilla.mozilla.org/show_bug.cgi?id=1553820
https://www.mozilla.org/en-US/security/advisories/mfsa2019-17/#CVE-2019-11703

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