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firefox: thunderbird: Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component
| Reporter | Title | Published | Views | Family All 146 |
|---|---|---|---|---|
 | CVE-2026-8959 | 19 May 202612:29 | – | attackerkb |
 | AlmaLinux 9 : thunderbird (ALSA-2026:21381) | 29 May 202600:00 | – | nessus |
| AlmaLinux 10 : thunderbird (ALSA-2026:22325) | 3 Jun 202600:00 | – | nessus |
| AlmaLinux 8 : thunderbird (ALSA-2026:22643) | 3 Jun 202600:00 | – | nessus |
| Fedora 42 : firefox / nss (2026-7f6ee801e2) | 25 May 202600:00 | – | nessus |
| Fedora 43 : firefox / nss (2026-cd20332935) | 20 May 202600:00 | – | nessus |
| Fedora 44 : firefox (2026-f3409cf313) | 20 May 202600:00 | – | nessus |
| Mozilla Firefox ESR < 140.11 | 19 May 202600:00 | – | nessus |
| Mozilla Firefox < 151.0 | 19 May 202600:00 | – | nessus |
| Mozilla Thunderbird < 140.11 | 19 May 202600:00 | – | nessus |
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| OS | OS Version | Architecture | Package | Package Version | Filename |
|---|---|---|---|---|---|
| Red Hat Enterprise Linux | 8 | aarch64 | thunderbird | 0:140.11.0-1.el8_10 | thunderbird-0:140.11.0-1.el8_10.aarch64.rpm |
| Red Hat Enterprise Linux | 8 | ppc64le | thunderbird | 0:140.11.0-1.el8_10 | thunderbird-0:140.11.0-1.el8_10.ppc64le.rpm |
| Red Hat Enterprise Linux | 8 | s390x | thunderbird | 0:140.11.0-1.el8_10 | thunderbird-0:140.11.0-1.el8_10.s390x.rpm |
| Red Hat Enterprise Linux | 8 | x86_64 | thunderbird | 0:140.11.0-1.el8_10 | thunderbird-0:140.11.0-1.el8_10.x86_64.rpm |
| Red Hat Enterprise Linux | 8 | aarch64 | thunderbird-debuginfo | 0:140.11.0-1.el8_10 | thunderbird-debuginfo-0:140.11.0-1.el8_10.aarch64.rpm |
| Red Hat Enterprise Linux | 8 | ppc64le | thunderbird-debuginfo | 0:140.11.0-1.el8_10 | thunderbird-debuginfo-0:140.11.0-1.el8_10.ppc64le.rpm |
| Red Hat Enterprise Linux | 8 | s390x | thunderbird-debuginfo | 0:140.11.0-1.el8_10 | thunderbird-debuginfo-0:140.11.0-1.el8_10.s390x.rpm |
| Red Hat Enterprise Linux | 8 | x86_64 | thunderbird-debuginfo | 0:140.11.0-1.el8_10 | thunderbird-debuginfo-0:140.11.0-1.el8_10.x86_64.rpm |
| Red Hat Enterprise Linux | 8 | aarch64 | thunderbird-debugsource | 0:140.11.0-1.el8_10 | thunderbird-debugsource-0:140.11.0-1.el8_10.aarch64.rpm |
| Red Hat Enterprise Linux | 8 | ppc64le | thunderbird-debugsource | 0:140.11.0-1.el8_10 | thunderbird-debugsource-0:140.11.0-1.el8_10.ppc64le.rpm |
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28 Jun 2026 09:32Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.19.6
EPSS0.00417
SSVC