Search/CVE-2026-77587
● CVE — Medium

CVE-2026-77587

VendortorprojectProducttorDiscoveredAug 20, 2026UpdatedSep 16, 2026

Tor before 0.4.9.11 is prone to a use-after-free (and potential double free) of a conflux object when a recovery leg revives a conflux set whose last linked leg has already been closed. A malicious exit node could use this to crash a client. This is TROVE-2026-026.

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CVSS v3.1
5.9 MEDIUM
EPSS
0.40%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
0
sources referencing this CVE
Related IOCs
0
seen in the same coverage
EPSS Trend
Aug 22, 2026 → Sep 25, 2026
▲ 0.18pp
0.22% → 0.40% over 3 tracked changes
CVSS v3.1 Detail
Attack VectorNETWORK
Attack ComplexityHIGH
Privileges RequiredNONE
User InteractionNONE
ScopeUNCHANGED
ConfidentialityNONE
IntegrityNONE
AvailabilityHIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Connections
3 relationships
Timeline
disclosure → media coverage
Aug 20, 2026
Disclosure — published as a CVE record. · last revised by NVD Sep 16, 2026