CVE-2026-44603

May 7, 2026, 5:24 p.m.

3.7
Low

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.

Product(s) Impacted

Vendor Product Versions
Torproject
  • Tor
  • *

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-193
Off-by-one Error
A product calculates or uses an incorrect maximum or minimum value that is 1 more, or 1 less, than the correct value.

*CPE(s)

Affected systems and software identified for this CVE.

Type Vendor Product Version Update Edition Language Software Edition Target Software Target Hardware Other Information
a torproject tor / / / / / / / /

References

https://forum.torproject.org/c/news/tor-release-announcement/28
https://gitlab.torproject.org/tpo/core/tor/-/commit/1703df3d439c83c2184e259fad1cfa19240f9c89
https://gitlab.torproject.org/tpo/core/tor/-/work_items/41245
https://www.openwall.com/lists/oss-security/2026/05/06/8

Tags

[email protected]
CWE-193
2026-05-07
CVE-2026-44603

CVSS Score

3.7 / 10

CVSS Data - 3.1

  • Attack Vector: NETWORK
  • Attack Complexity: HIGH
  • Privileges Required: NONE
  • Scope: UNCHANGED
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: LOW

    • CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

    View Vector String

Timeline

Published: May 7, 2026, 4:16 a.m.
Last Modified: May 7, 2026, 5:24 p.m.

Status : Analyzed

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

[email protected]

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.