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CVE

GHSA-8qv2-5vq6-g2g7

webpki: CPU denial of service in certificate path building
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CVE

GHSA-8qv2-5vq6-g2g7

webpki: CPU denial of service in certificate path building

When this crate is given a pathological certificate chain to validate, it will spend CPU time exponential with the number of candidate certificates at each step of path building.

Both TLS clients and TLS servers that accept client certificate are affected.

This was previously reported in https://github.com/briansmith/webpki/issues/69.

rustls-webpki is a fork of this crate which contains a fix for this issue and is actively maintained.

Package Versions Affected

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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
-
C
H
U
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C
H
U
-

Related Resources

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References

Severity

7.5

CVSS Score
0
10

Basic Information

Ecosystem
Base CVSS
7.5
EPSS Probability
0%
EPSS Percentile
0%
Introduced Version
0
Fix Available
0.22.2

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