CVE-2026-78376
Webkitgtk: use-after-free of jscvalue function parameters
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
CISA's decision points: whether it is exploited, whether attacks can be automated, and how much control an attacker gets. Assessed (SSVC 2.0.3).What do these mean? →
- Exploitation: none
- Automatable: no
- Technical impact: total
Summary
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.
Timeline
- CISA SSVC assessment
Exploitation: none · Automatable: no · Technical impact: total
- CVE published
- Record last updated
Affected versions
- webkit
From 2.21.1
- webkitgtk
From 2.21.1
- webkitgtk4
Version range not reported
- webkit2gtk3
Version range not reported
- webkit2gtk3
Version range not reported
- webkit2gtk3
Version range not reported
- webkit2gtk3
Version range not reported
- webkit2gtk3
Version range not reported
- webkit2gtk3
Version range not reported
- webkit2gtk3
Version range not reported
- webkitgtk
Version range not reported
- webkitgtk3
Version range not reported