pypi package report

Is rfc3161-client safe?

2 known vulnerabilities, worst severity CRITICAL.

cvss
9.3

how bad it is if exploited, out of 10

epss
0.20%

chance of exploitation in the next 30 days

xyz score
4.6

CyberXYZ composite, out of 10

fig. 01 — GHSA-6qhv-4h7r-2g9m, the advisory selected below

// advisories

GHSA-6qhv-4h7r-2g9m

CRITICALCVE-2025-52556

rfc3161-client 1.0.2 and earlier contain a flaw in their timestamp response signature verification logic. In particular, it performs chain verification against the TSR's embedded certificates up to the trusted root(s), but fails to verify the TSR's own signature against the timestamping leaf certificates. Consequently, vulnerable versions perform insufficient signature validation to properly consi

Affected
<= 1.0.2
Fixed in
1.0.3
Weakness
CWE-347
Published
2025-06-20
Source
github

GHSANVDMITREreferencereference

// dependencies

1 direct, 1 carrying known advisories, worst HIGH

Sign in for dependency paths and remediation

// ai model usage

No published models are known to use this package.

Checked 2026-09-22 at 01:48 UTC. The most recent advisory here was published 2026-04-08. Updated continuously from NVD, GHSA, OSV and CNA feeds.

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Is rfc3161-client safe? pypi package security report | CyberXYZ