VDB
CVE-2026-0891
CVE-2026-0891
PUBLISHED
EPSS 0.03% · 8.7th percentile
Risk Scores
EPSS Score
0.03%
8.7th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Amazon | firefox | |
| Amazon | thunderbird |
Exploit Intelligence
- CIRCL seen: CVE-2026-0891 (circl-sighting)
- CIRCL seen: CVE-2026-0891 (circl-sighting)
- CIRCL seen: CVE-2026-0891 (circl-sighting)
- CIRCL seen: CVE-2026-0891 (circl-sighting)
- CIRCL seen: CVE-2026-0891 (circl-sighting)
- CIRCL seen: CVE-2026-0891 (circl-sighting)
- Memory safety bugs fixed in Firefox ESR 140.7, Thunderbird ESR 140.7, Firefox 147 and Thunderbird 147 (circl)
- https://www.mozilla.org/security/advisories/mfsa2026-01/ (circl)
- https://www.mozilla.org/security/advisories/mfsa2026-03/ (circl)
- https://www.mozilla.org/security/advisories/mfsa2026-04/ (circl)
…and 37 more exploits
Timeline
- Jan 13, 2026 CVE Published
- Jan 13, 2026 PoC Published
- Jan 13, 2026 PoC Published
- Jan 14, 2026 EPSS Score
- Jan 14, 2026 PoC Published
- Jan 14, 2026 PoC Published
- Jan 15, 2026 PoC Published
- Jan 15, 2026 PoC Published
- Jan 17, 2026 EPSS Score
- Jan 20, 2026 EPSS Score
- Jan 23, 2026 EPSS Score
- Jan 26, 2026 EPSS Score