Back to search
CVE-2021-38509
Published: Dec 8, 2021
Modified: Aug 4, 2024
PUBLISHED
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.
| Vendor | Product | Versions |
|---|---|---|
Mozilla | Firefox | affected unspecified - < 94 |
Mozilla | Thunderbird | affected unspecified - < 91.3 |
Mozilla | Firefox ESR | affected unspecified - < 91.3 |
References
https://www.mozilla.org/security/advisories/mfsa2021-49/
x_refsource_MISC
https://www.mozilla.org/security/advisories/mfsa2021-50/
x_refsource_MISC
https://www.mozilla.org/security/advisories/mfsa2021-48/
x_refsource_MISC
https://bugzilla.mozilla.org/show_bug.cgi?id=1718571
x_refsource_MISC
DSA-5026
vendor-advisory
x_refsource_DEBIAN
[debian-lts-announce] 20211229 [SECURITY] [DLA 2863-1] firefox-esr security update
mailing-list
x_refsource_MLIST
DSA-5034
vendor-advisory
x_refsource_DEBIAN
[debian-lts-announce] 20220104 [SECURITY] [DLA 2874-1] thunderbird security update
mailing-list
x_refsource_MLIST
GLSA-202202-03
vendor-advisory
x_refsource_GENTOO
GLSA-202208-14
vendor-advisory
x_refsource_GENTOO
Security Training
Train your team to recognize and prevent security threats with our comprehensive security awareness program.
Start TrainingVulnerability Scanning
Discover vulnerabilities in your applications and infrastructure before attackers do.
Scan Now