CVE-2005-0626

Race condition in Squid 2.5.STABLE7 to 2.5.STABLE9, when using the Netscape Set-Cookie recommendations for handling cookies in caches, may cause Set-Cookie headers to be sent to other users, which allows attackers to steal the related cookies.

Published: 2005-03-08 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2005-0626 is rated Low Risk (35.4/100): CVSS Low severity, with medium exploitation likelihood (EPSS 1.35%). Core evidence: EPSS rose +1.26% over the last day, indicating growing attacker interest. Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2005-0626

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.09% 1.35% +1.26%
2 2025-03-30 0.18% 0.09% -0.09%
3 2025-03-29 0.18%

Full EPSS history (12 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2005-0626

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
2.6 2.0 LOW
AV:N/AC:H/Au:N/C:P/I:N/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:H)
Exploitation requires uncommon or highly specific conditions.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
4.9 2.9 [email protected]

Weakness enumeration for CVE-2005-0626

OS Trackers for CVE-2005-0626

vendor priority summary link
debian not yet assigned CVE-2005-0626 not yet assigned priority: Debian including 1 source packages (squid), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2005-0626
redhat low https://access.redhat.com/security/cve/CVE-2005-0626
ubuntu medium CVE-2005-0626 medium priority: Ubuntu including 1 source packages (squid), 4 status rows across 4 suites (dapper, edgy, feisty, upstream): not-affected 3, needs-triage 1. https://ubuntu.com/security/CVE-2005-0626

Affected software / configurations for CVE-2005-0626

Vendor Product Version Raw CPE
squid squid 2.5.stable5 cpe:2.3:a:squid:squid:2.5.stable5:*:*:*:*:*:*:*
squid squid 2.5.stable6 cpe:2.3:a:squid:squid:2.5.stable6:*:*:*:*:*:*:*
squid squid 2.5.stable7 cpe:2.3:a:squid:squid:2.5.stable7:*:*:*:*:*:*:*

References for CVE-2005-0626

cvelogic Threat Intelligence