CVE-2023-4054

MEDIUM 5.5CVE-2023-4054 · Published 01/08/2023 · updated 17/06/2026

In short

CVE-2023-4054 is a MEDIUM (CVSS 5.5) vulnerability affecting firefox (mozilla).
Chance of exploitation in the next 30 days (EPSS): 0.21%, higher than 11.0% of all vulnerabilities.
Fix: update to 102.14, 115.1, 116.0 or later.

Package	Affected versions	Patched versions
firefox mozilla	`≥ 102.0, < 102.14≥ 115.0, < 115.1< 116.0`	`102.14115.1116.0`

Description

When opening appref-ms files, Firefox did not warn the user that these files may contain malicious code. *This bug only affects Firefox on Windows. Other operating systems are unaffected.* This vulnerability affects Firefox < 116, Firefox ESR < 102.14, Firefox ESR < 115.1, Thunderbird < 102.14, and Thunderbird < 115.1.

References

bugzilla.mozilla.org/show_bug.cgi · Issue Tracking
mozilla.org/security/advisories/mfsa2023-29 · Vendor Advisory
mozilla.org/security/advisories/mfsa2023-30 · Vendor Advisory
mozilla.org/security/advisories/mfsa2023-31 · Vendor Advisory
mozilla.org/security/advisories/mfsa2023-32 · Vendor Advisory
mozilla.org/security/advisories/mfsa2023-33 · Vendor Advisory

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Package

Affected versions

Patched versions

firefox

mozilla

≥ 102.0, < 102.14≥ 115.0, < 115.1< 116.0

102.14115.1116.0

Description

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