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  1. CVEs
  2. CVE-2009-2855
  1. CVEs

CVE-2009-2855

medium
  • Information
  • CPEs
  • Plugins

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

https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10592

https://exchange.xforce.ibmcloud.com/vulnerabilities/52610

https://euvd.enisa.europa.eu/vulnerability/EUVD-2009-2845

https://bugzilla.redhat.com/show_bug.cgi?id=518182

http://www.squid-cache.org/bugs/show_bug.cgi?id=2704

http://www.squid-cache.org/bugs/show_bug.cgi?id=2541

http://www.securitytracker.com/id?1022757

http://www.securityfocus.com/bid/36091

http://www.openwall.com/lists/oss-security/2009/08/04/6

http://www.openwall.com/lists/oss-security/2009/08/03/3

http://www.openwall.com/lists/oss-security/2009/07/20/10

http://bugs.debian.org/cgi-bin/bugreport.cgi?msg=31%3Bfilename=diff%3Batt=1%3Bbug=534982

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=534982

Details

Source: Mitre, NVD

Published: 2009-08-18

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 6.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Severity: Medium

EPSS

EPSS: 0.34031

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