VulnerabilityAnalyzed
CVE-2024-29943
An attacker was able to perform an out-of-bounds read or write on a JavaScript object by fooling range-based bounds check elimination.
CRITICAL 9.8EPSS 22.9%
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 22.9%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.
Description
An attacker was able to perform an out-of-bounds read or write on a JavaScript object by fooling range-based bounds check elimination. This vulnerability affects Firefox < 124.0.1.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 22.93% probability · 98th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-125, CWE-787
- Affected
- mozilla/firefox
- Source
- security@mozilla.org
References
- http://www.openwall.com/lists/oss-security/2024/03/23/1Mailing List, Third Party Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1886849Issue Tracking
- https://www.mozilla.org/security/advisories/mfsa2024-15/Vendor Advisory
- http://www.openwall.com/lists/oss-security/2024/03/23/1Mailing List, Third Party Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1886849Issue Tracking
- https://www.mozilla.org/security/advisories/mfsa2024-15/Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.