CVE-2026-44601
Fixed in a distro release EPSS <1%CVSS 3.7
Tor before 0.4.9.7, when circuit queue memory pressure exists, can experience a client crash because of a double close of a circuit, aka TROVE-2026-009.
Products: torproject tor
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Debian 12 | tor | 0.4.9.8-0+deb12u1 |
| Debian 13 | tor | 0.4.9.8-0+deb13u1 |
| Debian 14 | tor | 0.4.9.8-1 |
| Ubuntu 22.04 LTS | tor | no fix |
| Ubuntu 24.04 LTS | tor | no fix |
| Ubuntu 25.10 | tor | no fix |
| Ubuntu 26.04 LTS | tor | no fix |
| Ubuntu 26.10 | tor | no fix |
| Ubuntu Pro 14.04 LTS | tor | no fix |
| Ubuntu Pro 16.04 LTS | tor | no fix |
| Ubuntu Pro 18.04 LTS | tor | no fix |
| Ubuntu Pro 20.04 LTS | tor | no fix |
| openSUSE Tumbleweed | tor | 0.4.9.8-1.1 |