After a VR Process is destroyed, a reference to it may have been retained and used, leading to a use-after-free and potentially exploitable crash. This vulnerability affects Thunderbird < 91.8 and Firefox ESR < 91.8.
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Score 6.5 from GitHub Security Advisory published 2022-12-22. NVD baseline CVSS 6.5; sources differ by 0.0.
A fix is available — apply it.
After a VR Process is destroyed, a reference to it may have been retained and used, leading to a use-after-free and potentially exploitable crash. This vulnerability affects Thunderbird < 91.8 and Firefox ESR < 91.8.
December 22, 2022
April 16, 2025
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | thunderbird-locale-id (1:91.8.1+build1-0ubuntu0.18.04.1) @ bionic | 2026-05-25 | ubuntu |
| redhat | thunderbird-0:91.8.0-1.el8_2 | 2022-04-12 | redhat |
| redhat | thunderbird-0:91.8.0-1.el8_4 | 2022-04-11 | redhat |
| redhat | thunderbird-0:91.8.0-1.el7_9 | 2022-04-11 | redhat |
| redhat | thunderbird-0:91.8.0-1.el8_5 | 2022-04-11 | redhat |
| redhat | thunderbird-0:91.8.0-1.el8_1 | 2022-04-11 | redhat |
| redhat | firefox-0:91.8.0-1.el8_4 | 2022-04-08 | redhat |
| redhat | firefox-0:91.8.0-1.el8_1 | 2022-04-08 | redhat |
| redhat | firefox-0:91.8.0-1.el8_2 | 2022-04-08 | redhat |
| redhat | firefox-0:91.8.0-1.el7_9 | 2022-04-08 | redhat |
| redhat | firefox-0:91.8.0-1.el8_5 | 2022-04-08 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.
RHSA-2022:1283 — Moderate
RHSA-2022:1285 — Moderate
RHSA-2022:1286 — Moderate
RHSA-2022:1287 — Moderate
RHSA-2022:1301 — Moderate
RHSA-2022:1303 — Moderate
RHSA-2022:1305 — Moderate
RHSA-2022:1326 — Moderate
Thunderbird vulnerabilities
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Explore the affected products and dependency analysis for CVE-2022-1196
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redhat
CWE-416