Tools AI-Found Vulnerability Register aifv-0018
Register entry
WebKitGTK memory corruption in OpenTypeVerticalData, found by Google Big Sleep
- CVE
- CVE-2026-83596
- Project
- WebKitGTK
- Component
- OpenTypeVerticalData findFeature
- Finder
- Google Big Sleep
- Autonomy
- agent finds and reproduces; a human expert reviews before reporting
- Evidence tier
- Credits array names the finder
- Assigner
- Red Hat
- Severity
- 8.8 High (CVSS 3.1)
- Bounty
- None published
- Confidence
- CONFIRMED
What happened
A memory corruption in WebKitGTK from 1.10.0, assigned by Red Hat on 31 August 2026 with a Big Sleep acknowledgement, the newest Big Sleep record in the register.
Credit as recorded: Red Hat would like to thank Google Big Sleep for reporting this issue.. Date basis: datePublic.
Sources
- CVE record, cvelistV5 mirrorraw.githubusercontent.com/CVEProject/cvelistV5/main/cves/202…
On YFarmX
- Reference pageyfarmx.com/ai/security/big-sleep/
One record from the AI-Found Vulnerability Register, maintained by the Security Desk. Data: CSV · JSON ·RSS · CC BY 4.0 with attribution to YFarmX.Tracker updated · 19 September 2026