CVE-2024-4775

low-risk

Published 2024-05-14

An iterator stop condition was missing when handling WASM code in the built-in profiler, potentially leading to invalid memory access and undefined behavior. *Note:* This issue only affects the application when the profiler is running. This vulnerability affects Firefox < 126.

Do I need to act?

0.07% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 5.9/10 Medium

LOCAL / LOW complexity

Affected Products (1)

Firefox

Affected Vendors

Mozilla

References (4)

Exploit https://bugzilla.mozilla.org/show_bug.cgi?id=1887332

Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2024-21/

Exploit https://bugzilla.mozilla.org/show_bug.cgi?id=1887332

Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2024-21/

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low-risk

Severity 19/34 · Moderate

Exploitability 0/34 · Minimal

Exposure 5/34 · Minimal