DEBIAN-CVE-2026-77584: tor security update

DEBIAN-CVE-2026-77584, released August 21, 2026, fixes 1 CVE in tor. None of them is reported as exploited. Patch Radar priority: High.

High

CVEs closed

None rated Critical

Exploited

None reported

Highest CVSS

8.2

Base score, 0 to 10

Highest EPSS

0.0025

16th percentile

Fixed package versions

Product	Release	Fixed in
tor	Debian 12.15 (bookworm)	0.4.9.11-0+deb12u1
tor	Debian 13.5 (trixie)	0.4.9.11-0+deb13u1
tor	Debian 14	0.4.9.11-1

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2026-77584	tor: Tor before 0.4.9.10 did not reject a CONFLUX_LINK cell that arrives on a circuit which already has attached streams	8.2	0.0025	None reported

Also fixes CVE-2026-77584

OPENSUSE-SU-2026:21660-1
tor on opensuse-leap 16.0

Vendor advisory

https://security-tracker.debian.org/tracker/CVE-2026-77584

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