Improper Handling of Inconsistent Structural Elements The advisory has been revoked - it doesn't affect any version of package thunderbird (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-RHEL9-THUNDERBIRD-12314902
- published1 Sept 2025
- disclosed20 Sept 2022
Introduced: 20 Sep 2022
CVE-2022-40957 (opens in a new tab)Amendment
The Red Hat security team deemed this advisory irrelevant for RHEL:9.
NVD Description
Note: Versions mentioned in the description apply only to the upstream thunderbird package and not the thunderbird package as distributed by RHEL.
Inconsistent data in instruction and data cache when creating wasm code could lead to a potentially exploitable crash.<br>This bug only affects Firefox on ARM64 platforms.. This vulnerability affects Firefox ESR < 102.3, Thunderbird < 102.3, and Firefox < 105.
References
- https://access.redhat.com/security/cve/CVE-2022-40957
- https://access.redhat.com/errata/RHSA-2022:6717
- https://bugzilla.mozilla.org/show_bug.cgi?id=1777604
- https://www.mozilla.org/security/advisories/mfsa2022-40/
- https://www.mozilla.org/security/advisories/mfsa2022-41/
- https://www.mozilla.org/security/advisories/mfsa2022-42/