| Name | CVE-2026-44601 |
| Description | Tor before 0.4.9.7, when circuit queue memory pressure exists, can exp ... |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| tor (PTS) | bullseye (security), bullseye | 0.4.5.16-1 | vulnerable |
| bookworm | 0.4.7.16-1 | vulnerable |
| bookworm (security) | 0.4.9.6-0+deb12u1 | vulnerable |
| trixie | 0.4.8.16-1 | vulnerable |
| trixie (security) | 0.4.9.6-0+deb13u1 | vulnerable |
| forky, sid | 0.4.9.6-1 | vulnerable |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| tor | source | (unstable) | (unfixed) | | | |
Notes
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/41237
https://gitlab.torproject.org/tpo/core/tor/-/commit/d4e3f6a440b58c2be661decf20c09548704907dc