CVE-2024-29943

high-risk
Published 2024-03-22

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.

Do I need to act?

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53.9% chance of exploitation in next 30 days
EPSS score — higher than 46% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Mozilla

References (6)

Mailing List http://www.openwall.com/lists/oss-security/2024/03/23/1
Issue Tracking https://bugzilla.mozilla.org/show_bug.cgi?id=1886849
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2024-15/
Mailing List http://www.openwall.com/lists/oss-security/2024/03/23/1
Issue Tracking https://bugzilla.mozilla.org/show_bug.cgi?id=1886849
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2024-15/
55
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 18/34 · Moderate
Exposure 5/34 · Minimal