CVE-2026-77642
Last modified
CVE-2026-77642 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. tor before 0.4.9.9 was prone to an out-of-bounds write when parsing a consensus or detached signature with unexpected signature digest type. Impact is minor for most Tor roles, but potentially major for directory authorities. EPSS estimates a 0.19% chance of exploitation in the next 30 days.
Description
tor before 0.4.9.9 was prone to an out-of-bounds write when parsing a consensus or detached signature with unexpected signature digest type. Impact is minor for most Tor roles, but potentially major for directory authorities. This is TROVE-2026-019.
Metrics
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:H
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| torproject | Tor | >= 0.2.8.2-alpha, < 0.4.9.9 |
References
Timeline
- Published
- Last Modified
- Status
- Received
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