CVE-2009-2855 describes a denial-of-service vulnerability in Squid 2.7, specifically within the strListGetItem function in src/HttpHeaderTools.c. This flaw allows remote attackers to trigger an infinite loop by submitting a specially crafted authentication header containing certain comma delimiters. With a CVSS score of 5.0 (AV:N/AC:L/Au:N/C:N/I:N/A:P), it represents a medium-severity issue with low attack complexity, requiring no authentication, and primarily impacting availability. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
2.7CPE matchmatch criteria | cpe:2.3:a:squid-cache:squid:2.7:*:*:*:*:*:*:* | ||
2.7CPE matchmatch criteria | cpe:2.3:a:squid-cache:squid:2.7:stable3:*:*:*:*:*:* | ||
2.7CPE matchmatch criteria | cpe:2.3:a:squid-cache:squid:2.7:stable4:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:P
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.