GHSA-7vfm-vg2r-wpmhLowCVSS 2.6
Wasmtime before 36.0.17, 37.0.0 before 48.0.4, and 49.0.0 before 49.0.2 contains an information...
🔗 CVE IDs covered (1)
📋 Description
Wasmtime before 36.0.17, 37.0.0 before 48.0.4, and 49.0.0 before 49.0.2 contains an information disclosure vulnerability in the WASIp1 fd_readdir implementation that copies uninitialized struct padding into guest memory. Guests with a preopened directory can list entries to receive three bytes of leftover host stack or heap memory per directory entry.
🔗 References (4)
- https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-96f6-r43r-8c24
- https://nvd.nist.gov/vuln/detail/CVE-2026-115386
- https://www.vulncheck.com/advisories/wasmtime-before-36.0.17-37.0.0-before-48.0.4-and-49.0.0-before-49.0.2-memory-disclosure-via-fd-readdir
- https://github.com/advisories/GHSA-7vfm-vg2r-wpmh