MEDIUM 6.5 NVD
CVE-2026-87724
Tor before 0.4.9.12 interprets the CC_RESPONSE extension even when CC_REQUEST was not sent, which allows remote attackers to cause a denial of service (crash) b
Tor before 0.4.9.12 interprets the CC_RESPONSE extension even when CC_REQUEST was not sent, which allows remote attackers to cause a denial of service (crash) because of corrupted congestion-control state. This is TROVE-2026-032.
References
- https://gitlab.com/torproject/tor/-/commit/10d4b8ffefa7c00aab2b631ed7e7f15e42cd012d
- https://gitlab.torproject.org/tpo/core/tor/-/raw/tor-0.4.9.12/ChangeLog
This medium severity vulnerability with a CVSS score of 6.5 was published on 2026-09-09 via NVD.
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