CVE-2019-11745

NameCVE-2019-11745
DescriptionWhen encrypting with a block cipher, if a call to NSC_EncryptUpdate was made with data smaller than the block size, a small out of bounds write could occur. This could have caused heap corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 68.3, Firefox ESR < 68.3, and Firefox < 71.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-2008-1, DLA-2388-1, DSA-4579-1, ELA-194-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
nss (PTS)jessie, jessie (lts)2:3.26-1+debu8u18fixed
stretch (security)2:3.26.2-1.1+deb9u5fixed
stretch (lts), stretch2:3.26.2-1.1+deb9u7fixed
buster2:3.42.1-1+deb10u5fixed
buster (security)2:3.42.1-1+deb10u8fixed
bullseye (security), bullseye2:3.61-1+deb11u3fixed
bookworm2:3.87.1-1fixed
sid, trixie2:3.99-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
nsssourcewheezy2:3.26-1+debu7u9ELA-194-1
nsssourcejessie2:3.26-1+debu8u7DLA-2008-1
nsssourcestretch2:3.26.2-1.1+deb9u2DLA-2388-1
nsssourcebuster2:3.42.1-1+deb10u2DSA-4579-1
nsssource(unstable)2:3.47.1-1

Notes

https://bugzilla.mozilla.org/show_bug.cgi?id=1586176 (not public)
https://hg.mozilla.org/projects/nss/rev/1e22a0c93afe9f46545560c86caedef9dab6cfda
Fixed in 3.44.3 and 3.47.1 upstream.

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