Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2005-0097

23
FAUCET Score

CVE-2005-0097 describes a denial-of-service vulnerability in Squid 2.5.STABLE7 and earlier versions. A remote attacker can crash the Squid proxy server by sending a specially crafted NTLM type 3 message, leading to a NULL dereference. This vulnerability has a CVSS score of 5.0, indicating a medium severity, as it can be exploited remotely with low complexity and without authentication, resulting in a denial of service. While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered significant community discussion with 10 mentions, suggesting awareness among security researchers.

Impacted Technologies

VendorProductVersion(s)CPE
2.0_patch2CPE matchmatch criteria
cpe:2.3:a:squid:squid:2.0_patch2:*:*:*:*:*:*:*
2.1_patch2CPE matchmatch criteria
cpe:2.3:a:squid:squid:2.1_patch2:*:*:*:*:*:*:*
2.3_.stable4CPE matchmatch criteria
cpe:2.3:a:squid:squid:2.3_.stable4:*:*:*:*:*:*:*
2.3_.stable5CPE matchmatch criteria
cpe:2.3:a:squid:squid:2.3_.stable5:*:*:*:*:*:*:*
2.3_stable5CPE matchmatch criteria
cpe:2.3:a:squid:squid:2.3_stable5:*:*:*:*:*:*:*

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
10.64%
Probability of exploitation in next 30 days
EPSS Percentile
95.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.1064 is in the 94th percentile among its peer group of 23,705 CVEs.

Social Chatter

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)

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

Vendor Advisories (1)

redhatCVE-2005-0097

security flaw

Jan 8, 2005

References

fedoranews.org / updates/FEDORA--.shtml
secunia.com / advisories/13789
PatchVendor Advisory
security.gentoo.org / glsa/glsa-200501-25.xml
PatchVendor Advisory
securitytracker.com / id
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11646
novell.com / linux/security/advisories/2005_06_squid.html
PatchVendor Advisory
redhat.com / support/errata/RHSA-2005-060.html
PatchVendor Advisory
redhat.com / support/errata/RHSA-2005-061.html
PatchVendor Advisory
securityfocus.com / bid/12220
squid-cache.org / Versions/v2/2.5/bugs
PatchVendor Advisory
trustix.org / errata/2005/0003
PatchVendor Advisory