AUGUST 4, 2026
Live Feed
Back to database
Case File

CVE-2009-2622

MEDIUM · CVSS 5 EPSS 56.91%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2009-07-28 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 5.0. Its EPSS score suggests a 56.9% probability of exploitation in the next 30 days. It may be remotely exploitable. It may lead to a denial-of-service condition.

CVE
CVE-2009-2622
Severity
MEDIUM
CVSS
5
EPSS
56.91%

Original NVD Description

Squid 3.0 through 3.0.STABLE16 and 3.1 through 3.1.0.11 allows remote attackers to cause a denial of service via malformed requests including (1) "missing or mismatched protocol identifier," (2) missing or negative status value," (3) "missing version," or (4) "missing or invalid status number," related to (a) HttpMsg.cc and (b) HttpReply.cc.