CVE-2026-0891
Mozilla Firefox, Thunderbird, Red Hat Enterprise Linux 10 취약점
Memory safety bugs present in Firefox ESR 140.6, Thunderbird ESR 140.6, Firefox 146 and Thunderbird 146. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 147, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.
- 대응 우선순위
- 점검
- CVSS
- 8.1
- EPSS
- 0.41% 백분위 34.1% · 2026.08.01 기준
- CISA KEV
- 미등록
- 조치 기한
- -
- 공개일
- 2026.01.13