CVE-2026-43660
An attacker can exploit multiple vulnerabilities in WebKitGTK to conduct a denial of service attack, disclose information, and bypass security precautions.
CSIRTS triage
- What
- Multiple vulnerabilities in WebKitGTK can be exploited to conduct denial of service attacks, disclose information, and bypass security precautions.
- Who is affected
- Remote attackers can exploit these vulnerabilities in WebKitGTK deployments.
- Urgency
- Remediation is urgent due to the high severity and potential for exploitation.
- Action
- Update to the latest version of WebKitGTK to mitigate these vulnerabilities.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.27% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 19% of all EPSS-scored CVEs.
Advisory coverage (3)
- high[UPDATE] [high] WebKitGTK: Multiple vulnerabilitiescert-bund · 2026-09-01
- unknownUSN-8703-1: WebKitGTK vulnerabilitiesubuntu · 2026-08-31
- unknownDSA-6398-1 webkit2gtk - security updatedebian · 2026-07-23
External references
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[](https://www.csirts.com/cve/CVE-2026-43660)