CVE-2026-100815
Use-after-free in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird
CVSS
8.8
High
EPSS
0.2%
p13
KEV
—
Exploit Today
4
0-100
Published: Sep 29, 2026 · Last modified: Oct 5, 2026 · CWE-416
0.2%EPSS · 30 days0.2%
2026-09-302026-10-19
Use-after-free in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.
- bugzilla.mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=2068404
- www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2026-100/
- www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2026-101/
- www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2026-103/
- www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2026-97/
CVECVSSEPSSKEVRExploitTitleMod.
CVE-2026-114111——
———sharp before 0.35.5 bundles a librsvg dependency affected by a memory-related vulnerability (CVE-2026-96889) that, under certain runtime-specific conditions, can lead to code execution on glibc-based Linux. An attacker can supply a crafted SVG image that, when decoded by sharp through librsvg, may result in arbitrary code execution.4hCVE-2026-1140426.5 MED—
———FreeRDP 3.32.0 contains a use-after-free vulnerability in the drdynvc channel that frees a pool-owned stream with the owned-stream deallocator when totalLength is smaller than the chunk size. A malicious RDP server can send a single well-formed Virtual Channel PDU to trigger the free and crash the client during teardown.4hCVE-2026-1133448.8 HIG—
———Use after free in Performance in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Medium)5hCVE-2026-1133398.8 HIG—
———Use after free in SVG in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)5hCVE-2026-1133388.8 HIG—
———Use after free in Turbolev in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)5hCVE-2026-1133278.8 HIG—
———Use after free in Chromecast in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Medium)5h