CVSS 9.3 (critical) · published 2026-08-20
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.
Affected products (NVD): torproject tor
Fixed in (NVD): 0.4.9.9
Weakness: CWE-787
Source: NVD CVE-2026-77642
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