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CVE-2026-78376

Webkitgtk: use-after-free of jscvalue function parameters

CVSS 3.1 8.8 HIGHCheck source for fixed versionsKEV status unknown
Original advisory

Historical advisory recorded 29 Oct 2026 21:14:49 UTC. Read the latest advisory.

cve-program · CVE-2026-78376

Published

A flaw was found in WebKitGTK. Processing malicious web content can cause a use-after-free issue due to improper memory handling and result in memory corruption.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-78376

Published

Webkitgtk: use-after-free of jscvalue function parameters

A flaw was found in WebKitGTK. Processing malicious web content can cause a use-after-free issue due to improper memory handling and result in memory corruption.

Source published
24 Aug 2026 13:29:17 UTC
Source modified
29 Oct 2026 19:33:20 UTC
Saved here
29 Oct 2026 21:14:49 UTC
Source terms
CVE Program Terms of Use

Original source record · Cite this exact observation · Complete original publisher JSON

Source: cve-program · CVE Program Terms of Use. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.

CVSS 3.1 · 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

ChangeIntel

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Sources read 12 Nov 18:36 UTC · 273 of 275 readable · 271 fully read · documentation 469/469 current

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