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CVE-2005-2917

16
FAUCET Score

CVE-2005-2917 describes a denial-of-service vulnerability affecting Squid 2.5.STABLE10 and earlier versions. The flaw stems from improper handling of specific NTLM authentication request sequences, leading to a daemon restart. With a CVSS score of 5.0, this vulnerability is easily exploitable over the network without authentication, resulting in a partial impact on availability. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.5.stable10CPE matchmatch criteria
cpe:2.3:a:squid:squid:*:*:*:*:*:*:*:*
2.5.9CPE matchmatch criteria
cpe:2.3:a:squid:squid:2.5.9:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

AV:N/AC:L/Au:N/C:N/I:N/A:P

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
3.40%
Probability of exploitation in next 30 days
EPSS Percentile
87.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0340 is in the 83rd percentile among its peer group of 23,723 CVEs.

Social Chatter

No social media mentions found for this CVE.

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.

Media 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.

Remediation

Patch Available

Vendor Patches (3)

debianpatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 3Fixed in: squid-7:2.5.STABLE3-6.3E.16
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: squid-7:2.5.STABLE6-3.4E.12
View patch

Vendor Advisories (1)

redhatCVE-2005-2917Moderate

security flaw

Sep 15, 2005

References

ftp.sco.com / pub/updates/OpenServer/SCOSA-2005.49/SCOSA-2005.49.txt
patches.sgi.com / support/free/security/advisories/20060401-01-U
fedoranews.org / updates/FEDORA--.shtml
secunia.com / advisories/16992
PatchVendor Advisory
secunia.com / advisories/17015
secunia.com / advisories/17050
secunia.com / advisories/17177
secunia.com / advisories/19161
secunia.com / advisories/19532
securitytracker.com / id
exchange.xforce.ibmcloud.com / vulnerabilities/24282
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11580
debian.org / security/2005/dsa-828
PatchVendor Advisory
mandriva.com / security/advisories
novell.com / linux/security/advisories/2005_27_sr.html
osvdb.org / 19607
redhat.com / support/errata/RHSA-2006-0045.html
redhat.com / support/errata/RHSA-2006-0052.html
securityfocus.com / bid/14977
ubuntu.com / usn/usn-192-1