CVE-2019-17016

NameCVE-2019-17016
DescriptionWhen pasting a &lt;style&gt; tag from the clipboard into a rich text editor, the CSS sanitizer incorrectly rewrites a @namespace rule. This could allow for injection into certain types of websites resulting in data exfiltration. This vulnerability affects Firefox ESR < 68.4 and Firefox < 72.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-2061-1, DLA-2071-1, DSA-4600-1, DSA-4603-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
firefox (PTS)sid131.0-1fixed
firefox-esr (PTS)bullseye115.14.0esr-1~deb11u1fixed
bullseye (security)128.3.0esr-1~deb11u1fixed
bookworm115.14.0esr-1~deb12u1fixed
bookworm (security)128.3.0esr-1~deb12u1fixed
trixie115.15.0esr-1fixed
sid128.3.0esr-2fixed
thunderbird (PTS)bullseye1:115.12.0-1~deb11u1fixed
bullseye (security)1:115.15.0-1~deb11u1fixed
bookworm1:115.12.0-1~deb12u1fixed
bookworm (security)1:115.15.0-1~deb12u1fixed
trixie1:128.2.0esr-1fixed
sid1:128.3.0esr-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
firefoxsource(unstable)72.0-1
firefox-esrsourcejessie68.4.0esr-1~deb8u1DLA-2061-1
firefox-esrsourcestretch68.4.1esr-1~deb9u1DSA-4600-1
firefox-esrsourcebuster68.4.1esr-1~deb10u1DSA-4600-1
firefox-esrsource(unstable)68.4.0esr-1
thunderbirdsourcejessie1:68.4.1-1~deb8u1DLA-2071-1
thunderbirdsourcestretch1:68.4.1-1~deb9u1DSA-4603-1
thunderbirdsourcebuster1:68.4.1-1~deb10u1DSA-4603-1
thunderbirdsource(unstable)1:68.4.1-1

Notes

https://www.mozilla.org/en-US/security/advisories/mfsa2020-01/#CVE-2019-17016
https://www.mozilla.org/en-US/security/advisories/mfsa2020-02/#CVE-2019-17016
https://www.mozilla.org/en-US/security/advisories/mfsa2020-04/#CVE-2019-17016

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