CVE-2026-44597
tor: 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 paylo...
CVE-2026-44597 is fixed in tor on 1 platform, first by DEBIAN-CVE-2026-44597, released May 15, 2026. It is not reported as exploited. Patch Radar priority: Urgent.
Urgent
CVSS
9.1
critical
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0045
39th percentile
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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| tor · Debian 12.15 (bookworm) | 0.4.9.8-0+deb12u1 | DEBIAN-CVE-2026-44597 | May 15, 2026 |
| tor · Debian 13.5 (trixie) | 0.4.9.8-0+deb13u1 | DEBIAN-CVE-2026-44597 | May 15, 2026 |
| tor · Debian 14 | 0.4.9.8-1 | DEBIAN-CVE-2026-44597 | May 15, 2026 |
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