CVE-2026-44597

Tor before 0.4.9.7 has an out-of-bounds read when an END, a TRUNCATE, or a TRUNCATED cell lacks a reason in its payload, aka TROVE-2026-011.

Score

CVSS 3.1 9.1 Critical

Status

Analyzed - cve@mitre.org

Published

2026-05-07

Last modified

2026-10-26

Weaknesses

CWE-684

Affected products

• Tor (Torproject)

References

• https://forum.torproject.org/c/news/tor-release-announcement/28
• https://www.openwall.com/lists/oss-security/2026/05/06/8
• https://gitlab.torproject.org/tpo/core/tor/-/work_items/41254
• https://gitlab.torproject.org/tpo/core/tor/-/commit/8f98054b1982d00a14639864d03e9afd90b87481