VulnerabilityAnalyzed
CVE-2024-7652
An error in the ECMA-262 specification relating to Async Generators could have resulted in a type confusion, potentially leading to memory corruption and an exploitable crash.
HIGH 7.5EPSS 0.66%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.66%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
An error in the ECMA-262 specification relating to Async Generators could have resulted in a type confusion, potentially leading to memory corruption and an exploitable crash. This vulnerability affects Firefox < 128, Firefox ESR < 115.13, Thunderbird < 115.13, and Thunderbird < 128.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.66% probability · 49th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-476, CWE-843
- Affected
- mozilla/firefox · mozilla/thunderbird
- Source
- security@mozilla.org
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1901411Issue Tracking
- https://github.com/tc39/ecma262/security/advisories/GHSA-g38c-wh3c-5h9rThird Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2024-29/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2024-30/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2024-31/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2024-32/Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.