CVE-2026-12296
EUVD-2026-3708716.06.2026, 13:16
Sandbox escape in the Security: Process Sandboxing component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources
(CNA/ADP records, vendor advisories, Enginsight analysis).
| Vendor | Product | Version | Source |
|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 10 | 0:140.12.0-1.el10_2 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Enterprise Linux 10.0 Extended Update Support | 0:140.12.0-1.el10_0 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Enterprise Linux 7 Extended Lifecycle Support | 0:140.12.0-1.el7_9 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Enterprise Linux 8 | 0:140.12.0-1.el8_10 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support | 0:140.12.0-1.el8_4 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On | 0:140.12.0-1.el8_4 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support | 0:140.12.0-1.el8_6 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On | 0:140.12.0-1.el8_6 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Enterprise Linux 8.8 Telecommunications Update Service | 0:140.12.0-1.el8_8 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions | 0:140.12.0-1.el8_8 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Enterprise Linux 9 | 0:140.12.0-1.el9_8 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions | 0:140.12.0-1.el9_2 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions | 0:140.12.0-1.el9_4 ≤ 𝑥 < * | ADP |
| Red Hat | Red Hat Enterprise Linux 9.6 Extended Update Support | 0:140.12.0-1.el9_6 ≤ 𝑥 < * | ADP |
| mozilla | firefox | 𝑥 < 152.0.0 | CNA |
| mozilla | firefox_esr | 116.0.0 ≤ 𝑥 < 140.12.0 | CNA |
| mozilla | thunderbird | 𝑥 < 152.0.0 | CNA |
| mozilla | thunderbird_esr | 𝑥 < 140.12.0 | CNA |
Debian Releases
Debian Product | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| firefox |
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| firefox-esr |
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| thunderbird |
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Ubuntu Releases
Ubuntu Product | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| firefox |
| ||||||||||||
| thunderbird |
| ||||||||||||
| mozjs38 |
| ||||||||||||
| mozjs52 |
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| mozjs68 |
| ||||||||||||
| mozjs78 |
| ||||||||||||
| mozjs91 |
| ||||||||||||
| mozjs102 |
| ||||||||||||
| mozjs115 |
|
openSUSE / SLES Releases
openSUSE Product | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MozillaFirefox |
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| MozillaFirefox-devel |
| ||||||||||||||||||||||||
| MozillaFirefox-translations-common |
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| MozillaFirefox-translations-other |
| ||||||||||||||||||||||||
| MozillaThunderbird |
| ||||||||||||||||||||||||
| MozillaThunderbird-translations-common |
| ||||||||||||||||||||||||
| MozillaThunderbird-translations-other |
|
Red Hat Enterprise Linux Releases
Amazon Linux Releases
Common Weakness Enumeration
- CWE-693 - Protection Mechanism FailureThe product does not use or incorrectly uses a protection mechanism that provides sufficient defense against directed attacks against the product.
- CWE-403 - Exposure of File Descriptor to Unintended Control Sphere ('File Descriptor Leak')A process does not close sensitive file descriptors before invoking a child process, which allows the child to perform unauthorized I/O operations using those descriptors.
References