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The strListGetItem function in src/HttpHeaderTools.c in...

Moderate severity Unreviewed Published May 2, 2022 to the GitHub Advisory Database • Updated Apr 9, 2025

Package

No package listed— Suggest a package

Affected versions

Unknown

Patched versions

Unknown

Description

The strListGetItem function in src/HttpHeaderTools.c in Squid 2.7 allows remote attackers to cause a denial of service via a crafted auth header with certain comma delimiters that trigger an infinite loop of calls to the strcspn function.

References

Published by the National Vulnerability Database Aug 18, 2009
Published to the GitHub Advisory Database May 2, 2022
Last updated Apr 9, 2025

Severity

Moderate

EPSS score

Exploit Prediction Scoring System (EPSS)

This score estimates the probability of this vulnerability being exploited within the next 30 days. Data provided by FIRST.
(98th percentile)

Weaknesses

Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Learn more on MITRE.

CVE ID

CVE-2009-2855

GHSA ID

GHSA-7hrp-6jq3-pm4q

Source code

No known source code

Dependabot alerts are not supported on this advisory because it does not have a package from a supported ecosystem with an affected and fixed version.

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