Vulnerability Description
Tor before 0.4.9.7 has an out-of-bounds read by one byte via a malformed BEGIN cell, aka TROVE-2026-007.
CVSS Score
3.7
LOW
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Torproject | Tor | < 0.4.9.7 |
Related Weaknesses (CWE)
References
- https://forum.torproject.org/c/news/tor-release-announcement/28Release Notes
- https://gitlab.torproject.org/tpo/core/tor/-/commit/1703df3d439c83c2184e259fad1cPatch
- https://gitlab.torproject.org/tpo/core/tor/-/work_items/41245Broken Link
- https://www.openwall.com/lists/oss-security/2026/05/06/8Mailing ListThird Party Advisory
FAQ
What is CVE-2026-44603?
CVE-2026-44603 is a vulnerability with a CVSS score of 3.7 (LOW). Tor before 0.4.9.7 has an out-of-bounds read by one byte via a malformed BEGIN cell, aka TROVE-2026-007.
How severe is CVE-2026-44603?
CVE-2026-44603 has been rated LOW with a CVSS base score of 3.7/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-44603?
Check the references section above for vendor advisories and patch information. Affected products include: Torproject Tor.