CVE-2026-44603
criticalTor before 0.4.9.7 has an out-of-bounds read by one byte via a malformed BEGIN cell, aka TROVE-2026-007.
Vendor / product: Torproject — tor
Tor before 0.4.9.7 has an out-of-bounds read by one byte via a malformed BEGIN cell, aka TROVE-2026-007.
CVSS
9.1
9.1 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H Severity source: NVD CVSS v3.1 (nvd@nist.gov)
Timeline (UTC)
Published: 2026-05-07 04:16
Modified: 2026-10-26 21:10
NVD status: Analyzed
Last synced 2 days ago
Verified against the source API 2026-10-27 07:07 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
torproject / tor <0.4.9.7
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
References
- https://forum.torproject.org/c/news/tor-release-announcement/28 cve@mitre.org
- https://gitlab.torproject.org/tpo/core/tor/-/commit/1703df3d439c83c2184e259fad1cfa19240f9c... cve@mitre.org
- https://gitlab.torproject.org/tpo/core/tor/-/work_items/41245 cve@mitre.org
- https://www.openwall.com/lists/oss-security/2026/05/06/8 cve@mitre.org
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 07:07 UTC · record ↗