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 — CVE-2024-29943
Date
Source
MSRC
MSRC
Vendor
Microsoft
Microsoft
Threat
critical
critical
CVSS
9.8
9.8
Summary
Advisory 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.… Vendor: Microsoft. Source: MSRC. Threat: critical. CVSS 9.8. See the official…
What to do
General, cautious steps (verify details in the official source):
- Prioritize patching or mitigation immediately (treat as actively risky).
- Identify affected product versions in your inventory and verify whether you are impacted.
- Apply vendor patches/updates or recommended mitigations as soon as available.
- Read the official advisory for exact affected versions and remediation steps.