CVE-2021-38509

Name
CVE-2021-38509
Description
Due to an unusual sequence of attacker-controlled events, a Javascript alert() dialog with arbitrary (although unstyled) contents could be displayed over top an uncontrolled webpage of the attacker's choosing. 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://www.mozilla.org/security/advisories/mfsa2021-49/
MISC https://www.mozilla.org/security/advisories/mfsa2021-48/
MISC https://bugzilla.mozilla.org/show_bug.cgi?id=1718571
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