VULNERABILITY INTELLIGENCE
CVE-2009-2855
CVSS score5 MEDIUM
EPSS probability34.03%
CISA KEVNot currently listed
Published2009-08-18
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:N/C:N/I:N/A:P
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.
Weakness classification
- CWE-20: Improper Input Validation