CVE-2016-5824

NameCVE-2016-5824
Descriptionlibical 1.0 allows remote attackers to cause a denial of service (use-after-free) via a crafted ics file.
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-959-1
NVD severitymedium
Debian Bugs860451

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libical (PTS)stretch2.0.0-0.5vulnerable
thunderbird (PTS)stretch1:68.4.1-1~deb9u1fixed
stretch (security)1:68.10.0-1~deb9u1fixed
buster1:68.7.0-1~deb10u1fixed
buster (security)1:68.10.0-1~deb10u1fixed
bullseye, sid1:68.10.0-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libicalsource(unstable)(unfixed)860451
libicalsourcewheezy0.48-2+deb7u1DLA-959-1
thunderbirdsource(unstable)1:60.5.0-1

Notes

[stretch] - libical <ignored> (Minor issue)
[jessie] - libical <no-dsa> (Minor issue)
Original report: https://github.com/libical/libical/issues/235
Reopened at: https://bugzilla.mozilla.org/show_bug.cgi?id=1275400
Reproducer: https://bugzilla.mozilla.org/attachment.cgi?id=8757553
Related upstream ticket: https://github.com/libical/libical/issues/286
Related upstream ticket: https://github.com/libical/libical/issues/251
Whilst the upstream commits in issues/251 fix the issue of #251 itself
they do not fix the bugzilla.mozilla.org case 1275400 which was assigned
in http://www.openwall.com/lists/oss-security/2016/06/25/4
https://www.mozilla.org/en-US/security/advisories/mfsa2019-03/#CVE-2016-5824
thunderbird uses embedded libical copy

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