CVE-2021-43539
CVE Information
CVE ID
CVE-2021-43539
Severity
HIGH
CVSS 8.8
Publish Date
2021-12-08
Description
Failure to correctly record the location of live pointers across wasm instance calls resulted in a GC occurring within the call not tracing those live pointers. This could have led to a use-after-free causing a potentially exploitable crash. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.
Collection Date
2026-01-13
Impact Summary
Affected Hosts
1
Related Incidents
0
Related Alerts
0
Affected Hosts (1)
| Hostname | OS Type | Severity | Total CVEs |
|---|---|---|---|
| inbridge-ubt-24 | LINUX | CRITICAL | 2364 |