CVE-2021-38506

Name
CVE-2021-38506
Description
Through a series of navigations, Firefox could have entered fullscreen mode without notification or warning to the user. This could lead to spoofing attacks on the browser UI including phishing. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.
NVD Severity
medium
Other trackers
Mailing lists
Exploits
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
MISC https://www.mozilla.org/security/advisories/mfsa2021-50/
MISC https://bugzilla.mozilla.org/show_bug.cgi?id=1730750
MISC https://www.mozilla.org/security/advisories/mfsa2021-49/
MISC https://www.mozilla.org/security/advisories/mfsa2021-48/
Third Party Advisory https://www.debian.org/security/2021/dsa-5026
MLIST https://lists.debian.org/debian-lts-announce/2021/12/msg00030.html
DEBIAN https://www.debian.org/security/2022/dsa-5034
MLIST https://lists.debian.org/debian-lts-announce/2022/01/msg00001.html
Third Party Advisory https://security.gentoo.org/glsa/202202-03

Match rules

CPE URI Source package Min version Max version
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* firefox >= None < 94.0
cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:* firefox_esr >= None < 91.3.0
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* thunderbird >= None < 91.3.0

Vulnerable and fixed packages

Source package Branch Version Maintainer Status
firefox 3.15-community 94.0-r0 Rasmus Thomsen <oss@cogitri.dev> fixed