CVE Vulnerabilities

CVE-2026-100775

Protection Mechanism Failure

Published: Sep 29, 2026 | Modified: Oct 06, 2026
CVSS 3.x
N/A
Source:
NVD
CVSS 2.x
RedHat/V2
RedHat/V3
Ubuntu
MEDIUM
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Sandbox escape in the Graphics component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.

Weakness

The product does not use or incorrectly uses a protection mechanism that provides sufficient defense against directed attacks against the product.

Affected Software

NameVendorStart VersionEnd Version
FirefoxMozilla115.0.1 (including)115.42.0 (excluding)
FirefoxMozilla140.0.0 (including)140.17.0 (excluding)
FirefoxMozilla153.0.0 (including)153.4.0 (excluding)
FirefoxMozilla154.0.0 (including)157.0.0 (excluding)
ThunderbirdMozilla140.0 (including)140.17.0 (excluding)
ThunderbirdMozilla153.0 (including)153.4.0 (excluding)
ThunderbirdMozilla154.0 (including)157.0 (excluding)
Mozjs102Ubuntuesm-apps/noble*
Mozjs102Ubuntujammy*
Mozjs102Ubuntunoble*
Mozjs115Ubuntunoble*
Mozjs52Ubuntuesm-apps/focal*
Mozjs52Ubuntuesm-infra/bionic*
Mozjs68Ubuntuesm-infra/focal*
Mozjs78Ubuntuesm-apps/jammy*
Mozjs78Ubuntujammy*
Mozjs91Ubuntujammy*
ThunderbirdUbuntujammy*

References