CVE-2023-28162

HIGH 8.8CVE-2023-28162 · Published 02/06/2023 · updated 23/10/2026

In short

CVE-2023-28162 is a HIGH (CVSS 8.8) vulnerability affecting firefox (mozilla), firefox esr (mozilla), thunderbird (mozilla).
Chance of exploitation in the next 30 days (EPSS): 0.70%, higher than 53.3% of all vulnerabilities.
Fix: update to 111.0, 102.9 or later.

Package	Affected versions	Patched versions
firefox mozilla	`< 111.0`	`111.0`
firefox esr mozilla	`< 102.9`	`102.9`
thunderbird mozilla	`< 102.9`	`102.9`

Description

While implementing AudioWorklets, some code may have casted one type to another, invalid, dynamic type. This could have led to a potentially exploitable crash. This vulnerability affects Firefox < 111, Firefox ESR < 102.9, and Thunderbird < 102.9.

References

bugzilla.mozilla.org/show_bug.cgi · Issue Tracking
mozilla.org/security/advisories/mfsa2023-09 · Vendor Advisory
mozilla.org/security/advisories/mfsa2023-10 · Vendor Advisory
mozilla.org/security/advisories/mfsa2023-11 · Vendor Advisory

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Package

Affected versions

Patched versions

firefox

mozilla

< 111.0

111.0

firefox esr

mozilla

< 102.9

102.9

thunderbird

mozilla

< 102.9

102.9

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