Freeing arbitrary <code>nsIInputStream</code>'s on a different thread than creation could have led to a use-after-free and potentially…

Description

Freeing arbitrary <code>nsIInputStream</code>'s on a different thread than creation could have led to a use-after-free and potentially exploitable crash. This vulnerability affects Firefox ESR < 102.5, Thunderbird < 102.5, and Firefox < 107.

Scores

EPSS (exploitation in 30 days)

0.68% · top 47% of all CVEs (6 Nov 2026)

CISA SSVC

Exploitation: poc · Automatable: no · Technical impact: partial

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.5.

Weakness

• Use-after-free in InputStream implementation
• CWE-416 Use After Free (opens in a new tab)All about CWE-416 and its CVEs

Affected products

• Mozilla · Firefox ESR

  • affected unspecified – < 102.5

• Mozilla · Thunderbird

  • affected unspecified – < 102.5

• Mozilla · Firefox

  • affected unspecified – < 107

References (4)

• https://www.mozilla.org/security/advisories/mfsa2022-47/ (opens in a new tab)x_transferred
• https://www.mozilla.org/security/advisories/mfsa2022-49/ (opens in a new tab)x_transferred
• https://www.mozilla.org/security/advisories/mfsa2022-48/ (opens in a new tab)x_transferred
• https://bugzilla.mozilla.org/show_bug.cgi?id=1791314 (opens in a new tab)x_transferredexploit

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-2022-45405](https://trackcve.app/badge/CVE-2022-45405.svg)](https://trackcve.app/cve/CVE-2022-45405)

Record last updated 15 Apr 2025, 15:11 UTC.