CVE-2024-4768

MEDIUM 6.1CVE-2024-4768 · Published 14/05/2024 · updated 17/06/2026

In short

CVE-2024-4768 is a MEDIUM (CVSS 6.1) vulnerability affecting firefox (mozilla), thunderbird (mozilla).
Chance of exploitation in the next 30 days (EPSS): 0.54%, higher than 45.5% of all vulnerabilities.
Fix: update to 115.11.0, 126.0 or later.

Package	Affected versions	Patched versions
firefox mozilla	`< 115.11.0< 126.0`	`115.11.0126.0`
thunderbird mozilla	`< 115.11.0`	`115.11.0`

Description

A bug in popup notifications' interaction with WebAuthn made it easier for an attacker to trick a user into granting permissions. This vulnerability affects Firefox < 126, Firefox ESR < 115.11, and Thunderbird < 115.11.

References

bugzilla.mozilla.org/show_bug.cgi · Exploit
lists.debian.org/debian-lts-announce/2024/05/msg00010.html · Mailing List
lists.debian.org/debian-lts-announce/2024/05/msg00012.html · Mailing List
mozilla.org/security/advisories/mfsa2024-21 · Vendor Advisory
mozilla.org/security/advisories/mfsa2024-22 · Vendor Advisory
mozilla.org/security/advisories/mfsa2024-23 · Vendor Advisory

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Package

Affected versions

Patched versions

firefox

mozilla

< 115.11.0< 126.0

115.11.0126.0

thunderbird

mozilla

< 115.11.0

115.11.0

More vulnerabilities in firefox

See all →