CVE-Katalog
CVE-2026-74952
Privilege escalation in the Application Update component. This vulnerability was fixed in Firefox 154, Thunderbird 154, Firefox ESR 153.2, and Thunderbird 153.2.
- Schweregrad
- High · CVSS 8.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 0.41% · Oct 22, 2026
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Cpe | firefox | Not reported | 154.0.0 | fixed |
| Cpe | thunderbird | Not reported | 154.0 | fixed |
| Suse | MozillaFirefox | linux enterprise server 16.0 | 153.2.0-160000.1.1 | fixed |
| Suse | MozillaFirefox | linux enterprise server for sap applications 16.0 | 153.2.0-160000.1.1 | fixed |
| Opensuse | MozillaFirefox | leap 16.0 | 153.2.0-160000.1.1 | fixed |
| Ubuntu | mozjs52 | 18.04 | 52.3.1-0ubuntu3 | vulnerable |
| Ubuntu | mozjs52 | 18.04 | 52.3.1-7fakesync1 | vulnerable |
| Ubuntu | mozjs52 | 18.04 | 52.8.1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | mozjs52 | 18.04 | 52.9.1-0ubuntu0.18.04.1 | vulnerable |
| Ubuntu | mozjs38 | 18.04 | 38.8.0~repack1-0ubuntu1 | vulnerable |
| Ubuntu | mozjs38 | 18.04 | 38.8.0~repack1-0ubuntu3 | vulnerable |
| Ubuntu | mozjs38 | 18.04 | 38.8.0~repack1-0ubuntu4 | vulnerable |
| Ubuntu | mozjs68 | 20.04 | 68.5.0-1~fakesync | vulnerable |
| Ubuntu | mozjs68 | 20.04 | 68.5.0-2~fakesync | vulnerable |
| Ubuntu | mozjs68 | 20.04 | 68.6.0-1 | vulnerable |
| Ubuntu | mozjs68 | 20.04 | 68.6.0-1ubuntu1 | vulnerable |
| Ubuntu | mozjs52 | 20.04 | 52.9.1-1build1 | vulnerable |
| Ubuntu | mozjs52 | 20.04 | 52.9.1-1ubuntu3 | vulnerable |
| Ubuntu | mozjs102 | 22.04 | 102.11.0-0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | mozjs102 | 22.04 | 102.12.0-0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | mozjs102 | 22.04 | 102.13.0-0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | mozjs102 | 22.04 | 102.15.1-0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | mozjs78 | 22.04 | 78.13.0-1 | vulnerable |
| Ubuntu | mozjs78 | 22.04 | 78.15.0-2 | vulnerable |
| Ubuntu | mozjs78 | 22.04 | 78.15.0-4ubuntu1 | vulnerable |
| Ubuntu | mozjs91 | 22.04 | 91.5.1-0ubuntu1 | vulnerable |
| Ubuntu | mozjs91 | 22.04 | 91.6.0-1 | vulnerable |
| Ubuntu | mozjs91 | 22.04 | 91.6.0-2 | vulnerable |
| Ubuntu | mozjs91 | 22.04 | 91.7.0-2 | vulnerable |
| Ubuntu | mozjs91 | 22.04 | 91.10.0-0ubuntu1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:91.1.2+build1-0ubuntu1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:91.3.0+build2-0ubuntu1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:91.3.1+build1-0ubuntu1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:91.3.2+build1-0ubuntu1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:91.4.0+build1.1-0ubuntu1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:91.4.0+build2-0ubuntu1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:91.5.0+build1-0ubuntu1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:91.5.1+build1-0ubuntu1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:91.6.1+build1-0ubuntu1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:91.7.0+build1-0ubuntu1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:91.7.0+build2-0ubuntu1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:91.8.0+build2-0ubuntu1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:91.9.1+build1-0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:91.11.0+build2-0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:102.2.2+build1-0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:102.4.2+build2-0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:102.7.1+build2-0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:102.8.0+build2-0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:102.9.0+build1-0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:102.10.0+build2-0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:102.11.0+build1-0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:102.13.0+build1-0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:102.15.0+build1-0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:102.15.1+build1-0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:115.3.1+build1-0ubuntu0.22.04.2 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:115.4.1+build1-0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:115.5.0+build1-0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:115.6.0+build2-0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:115.8.1+build1-0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:115.9.0+build1-0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:115.10.1+build1-0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:115.11.0+build2-0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:115.12.0+build3-0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:115.13.0+build5-0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:115.15.0+build1-0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:115.16.0+build2-0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:115.18.0+build1-0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:128.12.0+build1-0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | thunderbird | 22.04 | 1:140.7.1+build1-0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | mozjs102 | 24.04 | 102.15.1-1 | vulnerable |
| Ubuntu | mozjs102 | 24.04 | 102.15.1-3ubuntu2 | vulnerable |
| Ubuntu | mozjs115 | 24.04 | 115.3.0-0ubuntu1 | vulnerable |
| Ubuntu | mozjs115 | 24.04 | 115.4.0-2 | vulnerable |
| Ubuntu | mozjs115 | 24.04 | 115.5.0-1 | vulnerable |
| Ubuntu | mozjs115 | 24.04 | 115.6.0-1 | vulnerable |
| Ubuntu | mozjs115 | 24.04 | 115.7.0-4 | vulnerable |
| Ubuntu | mozjs115 | 24.04 | 115.8.0-1 | vulnerable |
| Ubuntu | mozjs115 | 24.04 | 115.9.0-1 | vulnerable |
| Ubuntu | mozjs115 | 24.04 | 115.9.0-1build1 | vulnerable |
| Ubuntu | mozjs115 | 24.04 | 115.10.0-1 | vulnerable |
| Opensuse | firefox-esr | tumbleweed | 153.2.0-1.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Cpe | firefox | cpe | Not reported | 154.0.0 | Not reported | NVD-CVE-2026-74952 | Not reported |
| Cpe | thunderbird | cpe | Not reported | 154.0 | Not reported | NVD-CVE-2026-74952 | Not reported |
| Suse | MozillaFirefox | rpm | linux enterprise server 16.0 | 153.2.0-160000.1.1 | Not reported | SUSE-SU-2026:23784-1 | Not reported |
| Suse | MozillaFirefox | rpm | linux enterprise server for sap applications 16.0 | 153.2.0-160000.1.1 | Not reported | SUSE-SU-2026:23784-1 | Not reported |
| Opensuse | MozillaFirefox | rpm | leap 16.0 | 153.2.0-160000.1.1 | Not reported | OPENSUSE-SU-2026:21853-1 | Not reported |
| Opensuse | firefox-esr | rpm | tumbleweed | 153.2.0-1.1 | Not reported | OPENSUSE-SU-2026:11666-1 | Not reported |
OpenFactory catalog packages
Die Paketzuordnung läuft.
[openSUSE Tumbleweed]
- [firefox-esr]Unbekannt
Quellpaket: [firefox-esr]
Details (1)
153.1.0-1.1· x86_64 · tumbleweedBetroffen · Behoben:
153.2.0-1.1nvd · firefox-esr · opensuse · tumbleweed
- [firefox-esr-branding-upstream]Unbekannt
Quellpaket: [firefox-esr]
Details (1)
153.1.0-1.1· x86_64 · tumbleweedUnbekannt · Behoben:
153.2.0-1.1Version impact unknown
nvd · firefox-esr · opensuse · tumbleweed
- [firefox-esr-translations-common]Unbekannt
Quellpaket: [firefox-esr]
Details (1)
153.1.0-1.1· x86_64 · tumbleweedUnbekannt · Behoben:
153.2.0-1.1Version impact unknown
nvd · firefox-esr · opensuse · tumbleweed
- [firefox-esr-translations-other]Unbekannt
Quellpaket: [firefox-esr]
Details (1)
153.1.0-1.1· x86_64 · tumbleweedUnbekannt · Behoben:
153.2.0-1.1Version impact unknown
nvd · firefox-esr · opensuse · tumbleweed
Beobachtet:
Referenzen
- [https://ftp.suse.com/pub/projects/security/csaf/suse-su-2026_3658-1.json]
- [https://nvd.nist.gov/vuln/detail/CVE-2026-74952]
- [https://osv.dev/vulnerability/SUSE-SU-2026:23784-1]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2026-74952]
- [https://osv.dev/vulnerability/openSUSE-SU-2026:11666-1]
- [https://osv.dev/vulnerability/openSUSE-SU-2026:21853-1]
- [https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-2911.json]
[CERT-Bund public advisories] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [SUSE security advisories and VEX]