| Name | CVE-2026-113470 |
| Description | Mozilla blocked compromised intermediate eMudhra certificates via OneCRL on the 17th of October which was distributed to clients via RemoteSettings the same day. This update contains the updated OneCRL block list, ensuring clients will block the compromised certificates even if RemoteSettings is disabled by policy or otherwise unavailable in the user's network environment. This vulnerability was fixed in Firefox 158.0.1, Firefox ESR 153.5.1, Firefox ESR 115.43.1, Thunderbird 158.0.1, Thunderbird 153.5.1, and Firefox 158.0.2. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-4847-1, DLA-4863-1, DSA-6573-1, DSA-6585-1 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| firefox (PTS) | sid | 160.0-1 | fixed |
| firefox-esr (PTS) | bookworm | 140.12.0esr-1~deb12u1 | vulnerable |
| bookworm (security) | 153.7.0esr-1~deb12u1 | fixed | |
| trixie | 140.15.0esr-1~deb13u1 | vulnerable | |
| trixie (security) | 153.7.0esr-1~deb13u1 | fixed | |
| forky | 153.5.1esr-1 | fixed | |
| sid | 153.7.0esr-1 | fixed | |
| thunderbird (PTS) | bookworm | 1:140.12.0esr-1~deb12u1 | vulnerable |
| bookworm (security) | 1:153.7.0esr-1~deb12u1 | fixed | |
| trixie | 1:140.12.0esr-1~deb13u1 | vulnerable | |
| trixie (security) | 1:153.7.0esr-1~deb13u1 | fixed | |
| forky | 1:153.5.0esr-1 | vulnerable | |
| sid | 1:153.7.0esr-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| firefox | source | (unstable) | 158.0.1-1 | |||
| firefox-esr | source | bookworm | 153.5.1esr-1~deb12u1 | DLA-4847-1 | ||
| firefox-esr | source | trixie | 153.5.1esr-1~deb13u1 | DSA-6573-1 | ||
| firefox-esr | source | (unstable) | 153.5.1esr-1 | |||
| thunderbird | source | bookworm | 1:153.5.1esr-1~deb12u1 | DLA-4863-1 | ||
| thunderbird | source | trixie | 1:153.5.1esr-1~deb13u1 | DSA-6585-1 | ||
| thunderbird | source | (unstable) | 1:153.5.1esr-1 |
https://www.mozilla.org/en-US/security/advisories/mfsa2026-111/#CVE-2026-113470
https://www.mozilla.org/en-US/security/advisories/mfsa2026-112/#CVE-2026-113470
https://www.mozilla.org/en-US/security/advisories/mfsa2026-115/#CVE-2026-113470
https://bugzilla.mozilla.org/show_bug.cgi?id=2083449
https://www.openwall.com/lists/oss-security/2026/10/20/1