Vulnerability in Mozilla Firefox
CVE-2024-1556
The incorrect object was checked for NULL 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 < 123.
EPSS: 0.005 (38.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
Affected products
- Mozilla Firefox — versions unspecified
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@mozilla.org (Issue Tracking)
- security@mozilla.org (Vendor Advisory)
Frequently asked questions
- What is CVE-2024-1556?
- CVE-2024-1556 is a medium-severity vulnerability in Mozilla Firefox, classified under Improper Check for Unusual or Exceptional Conditions. CVSS score: 6.5/10. Published 2024-02-20.
- How severe is CVE-2024-1556?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2024-1556 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.