Is CVE-2017-0376 in the CISA KEV catalog?

No. CVE-2017-0376 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2017-0376?

CVE-2017-0376 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2017-0376?

CVE-2017-0376 has an EPSS score of 2.18% (80th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2017-0376?

Upgrade tor on debian 11 to 0.2.9.11-1 or later.

CVE & CISA-KEV Catalog

CVE-2017-0376

HIGHEPSS 80th pctl

7.5

CVSS v3

NVD

Description

The hidden-service feature in Tor before 0.3.0.8 allows a denial of service (assertion failure and daemon exit) in the connection_edge_process_relay_cell function via a BEGIN_DIR cell on a rendezvous circuit.

CWE-617

How to fix

Remediation Available

torDebian

Fixed in:0.2.9.11-1CVE-2017-0376

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

2.18%probability of exploitation in 30 days

80thpercentile

Elevated risk: more likely to be exploited than 80% of all known CVEs.

References

Patch1

github.com

Third-Party Advisory3

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-13.