VULNERABILITY INTELLIGENCE

CVE-2021-34550

CVSS score7.5 HIGH

EPSS probability1.56%

CISA KEVNot currently listed

Published2021-06-29

Last modified2026-06-17

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

Description

An issue was discovered in Tor before 0.4.6.5, aka TROVE-2021-006. The v3 onion service descriptor parsing allows out-of-bounds memory access, and a client crash, via a crafted onion service descriptor

Weakness classification

nvd@nist.gov: CWE-119

Primary references

cve@mitre.org — Release Notes, Vendor Advisory
cve@mitre.org — Broken Link
cve@mitre.org — Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Broken Link
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory