Description
Tor before 0.4.9.7 has an out-of-bounds read by one byte via a malformed BEGIN cell, aka TROVE-2026-007.
Affected products
torproject: tor
References4
- gitlab.torproject.org/tpo/core/tor/-/commit/1703df3d439c83c2184… Patch
- forum.torproject.org/c/news/tor-release-announcement/28 Release Notes
- gitlab.torproject.org/tpo/core/tor/-/work_items/41245 Broken Link
- www.openwall.com/lists/oss-security/2026/05/06/8 Mailing ListThird Party Advisory
Metrics
- CVSS 3.1
-
9.1
CRITICAL
Score source: NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H - EPSS — exploit probability
- 0% percentile: 28 · as of 13 November 2026
- CWE
- CWE-193
Could this be exploited in your environment?
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