Certain types of allocations were missing annotations that, if the Garbage Collector was in a specific state, could have lead to memory…

Description

Certain types of allocations were missing annotations that, if the Garbage Collector was in a specific state, could have lead to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 106, Firefox ESR < 102.4, and Thunderbird < 102.4.

Scores

EPSS (exploitation in 30 days)

0.89% · top 40% of all CVEs (6 Nov 2026)

CISA SSVC

Exploitation: none · Automatable: no · Technical impact: total

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.8.

Weakness

• Memory Corruption in JS Engine
• CWE-476 NULL Pointer Dereference (opens in a new tab)All about CWE-476 and its CVEs

Affected products

• Mozilla · Firefox

  • affected unspecified – < 106

• Mozilla · Firefox ESR

  • affected unspecified – < 102.4

• Mozilla · Thunderbird

  • affected unspecified – < 102.4

References (4)

• https://bugzilla.mozilla.org/show_bug.cgi?id=1791520 (opens in a new tab)x_transferred
• https://www.mozilla.org/security/advisories/mfsa2022-44/ (opens in a new tab)x_transferred
• https://www.mozilla.org/security/advisories/mfsa2022-45/ (opens in a new tab)x_transferred
• https://www.mozilla.org/security/advisories/mfsa2022-46/ (opens in a new tab)x_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2022-42928](https://trackcve.app/badge/CVE-2022-42928.svg)](https://trackcve.app/cve/CVE-2022-42928)

Record last updated 15 Apr 2025, 15:44 UTC.