CVE-2023-25730

NameCVE-2023-25730
DescriptionA background script invoking <code>requestFullscreen</code> and then blocking the main thread could force the browser into fullscreen mode indefinitely, resulting in potential user confusion or spoofing attacks. This vulnerability affects Firefox < 110, Thunderbird < 102.8, and Firefox ESR < 102.8.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-3319-1, DLA-3324-1, DSA-5350-1, DSA-5355-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
firefox (PTS)sid133.0.3-1fixed
firefox-esr (PTS)bullseye115.14.0esr-1~deb11u1fixed
bullseye (security)128.5.0esr-1~deb11u1fixed
bookworm128.3.1esr-1~deb12u1fixed
bookworm (security)128.5.0esr-1~deb12u1fixed
trixie128.5.0esr-1fixed
sid128.5.1esr-1fixed
thunderbird (PTS)bullseye1:115.12.0-1~deb11u1fixed
bullseye (security)1:128.5.0esr-1~deb11u1fixed
bookworm1:115.16.0esr-1~deb12u1fixed
bookworm (security)1:128.5.0esr-1~deb12u1fixed
sid, trixie1:128.5.0esr-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
firefoxsource(unstable)110.0-1
firefox-esrsourcebuster102.8.0esr-1~deb10u1DLA-3319-1
firefox-esrsourcebullseye102.8.0esr-1~deb11u1DSA-5350-1
firefox-esrsource(unstable)102.8.0esr-1
thunderbirdsourcebuster1:102.8.0-1~deb10u1DLA-3324-1
thunderbirdsourcebullseye1:102.8.0-1~deb11u1DSA-5355-1
thunderbirdsource(unstable)1:102.8.0-1

Notes

https://www.mozilla.org/en-US/security/advisories/mfsa2023-05/#CVE-2023-25730
https://www.mozilla.org/en-US/security/advisories/mfsa2023-06/#CVE-2023-25730
https://www.mozilla.org/en-US/security/advisories/mfsa2023-07/#CVE-2023-25730

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