CVE-2026-44603
CVSS Score
3.7
EPSS Score
0.0%
EPSS Percentile
0th
Tor before 0.4.9.7 has an out-of-bounds read by one byte via a malformed BEGIN cell, aka TROVE-2026-007.
| CWE | CWE-193 |
| Vendor | torproject |
| Product | tor |
| Published | May 7, 2026 |
| Last Updated | May 7, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low
Affected Versions
torproject / Tor
0 < 0.4.9.7
References
forum.torproject.org: https://forum.torproject.org/c/news/tor-release-announcement/28 openwall.com: https://www.openwall.com/lists/oss-security/2026/05/06/8 gitlab.torproject.org: https://gitlab.torproject.org/tpo/core/tor/-/work_items/41245 gitlab.torproject.org: https://gitlab.torproject.org/tpo/core/tor/-/commit/1703df3d439c83c2184e259fad1cfa19240f9c89