CVE-2004-2479
Squid Web Proxy Cache 2.5 might allow remote attackers to obtain sensitive information via URLs...
CVE-2004-2479 is a medium vulnerability (CVSS 5.0) in National Science Foundation Squid Web Proxy Cache, published December 31, 2004. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.08%, the 81st percentile. Fixed in squid 2.5.8.
Squid Web Proxy Cache 2.5 might allow remote attackers to obtain sensitive information via URLs containing invalid hostnames that cause DNS operations to fail, which results in references to previously used error messages.
Exploit likelihood
What each source reports
NVD Score used
Squid Web Proxy Cache 2.5 might allow remote attackers to obtain sensitive information via URLs containing invalid hostnames that cause DNS operations to fail, which results in references to previously used error messages.
- Record
CVE-2004-2479- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Updated
- 2026-11-02
CVE List No score
Squid Web Proxy Cache 2.5 might allow remote attackers to obtain sensitive information via URLs containing invalid hostnames that cause DNS operations to fail, which results in references to previously used error messages.
- Record
CVE-2004-2479- Updated
- 2026-11-02
EUVDEUVD-2004-2470 No score
Squid Web Proxy Cache 2.5 might allow remote attackers to obtain sensitive information via URLs containing invalid hostnames that cause DNS operations to fail, which results in references to previously used error messages.
- Record
EUVD-2004-2470- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-wf7x-gjvh-m5r3 No score
Squid Web Proxy Cache 2.5 might allow remote attackers to obtain sensitive information via URLs...
Squid Web Proxy Cache 2.5 might allow remote attackers to obtain sensitive information via URLs containing invalid hostnames that cause DNS operations to fail, which results in references to previously used error messages.
- Record
GHSA-wf7x-gjvh-m5r3- Updated
- 2026-11-02
OSV No score
Squid Web Proxy Cache 2.5 might allow remote attackers to obtain sensitive information via URLs containing invalid hostnames that cause DNS operations to fail, which results in references to previously used error messages.
- Record
CVE-2004-2479- Updated
- 2026-11-02
OSVDEBIAN-CVE-2004-2479 No score
Squid Web Proxy Cache 2.5 might allow remote attackers to obtain sensitive information via URLs containing invalid hostnames that cause DNS operations to fail, which results in references to previously used error messages.
- Record
DEBIAN-CVE-2004-2479- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
squidDebian:12 |
before 2.5.8 | 2.5.8 |
squidDebian:13 |
before 2.5.8 | 2.5.8 |
squidDebian:14 |
before 2.5.8 | 2.5.8 |
squidRed Hat:enterprise_linux:3::as |
before 7:2.5.STABLE3-6.3E.14 | 7:2.5.STABLE3-6.3E.14 |
squid-debuginfoRed Hat:enterprise_linux:3::as |
before 7:2.5.STABLE3-6.3E.14 | 7:2.5.STABLE3-6.3E.14 |
squidRed Hat:enterprise_linux:3::desktop |
before 7:2.5.STABLE3-6.3E.14 | 7:2.5.STABLE3-6.3E.14 |
squid-debuginfoRed Hat:enterprise_linux:3::desktop |
before 7:2.5.STABLE3-6.3E.14 | 7:2.5.STABLE3-6.3E.14 |
squidRed Hat:enterprise_linux:3::es |
before 7:2.5.STABLE3-6.3E.14 | 7:2.5.STABLE3-6.3E.14 |
squid-debuginfoRed Hat:enterprise_linux:3::es |
before 7:2.5.STABLE3-6.3E.14 | 7:2.5.STABLE3-6.3E.14 |
squidRed Hat:enterprise_linux:3::ws |
before 7:2.5.STABLE3-6.3E.14 | 7:2.5.STABLE3-6.3E.14 |
Show 9 moreShow less
| Package | Affected | Fixed |
|---|---|---|
squid-debuginfoRed Hat:enterprise_linux:3::ws |
before 7:2.5.STABLE3-6.3E.14 | 7:2.5.STABLE3-6.3E.14 |
squidRed Hat:enterprise_linux:4::as |
before 7:2.5.STABLE6-3.4E.11 | 7:2.5.STABLE6-3.4E.11 |
squid-debuginfoRed Hat:enterprise_linux:4::as |
before 7:2.5.STABLE6-3.4E.11 | 7:2.5.STABLE6-3.4E.11 |
squidRed Hat:enterprise_linux:4::desktop |
before 7:2.5.STABLE6-3.4E.11 | 7:2.5.STABLE6-3.4E.11 |
squid-debuginfoRed Hat:enterprise_linux:4::desktop |
before 7:2.5.STABLE6-3.4E.11 | 7:2.5.STABLE6-3.4E.11 |
squidRed Hat:enterprise_linux:4::es |
before 7:2.5.STABLE6-3.4E.11 | 7:2.5.STABLE6-3.4E.11 |
squid-debuginfoRed Hat:enterprise_linux:4::es |
before 7:2.5.STABLE6-3.4E.11 | 7:2.5.STABLE6-3.4E.11 |
squidRed Hat:enterprise_linux:4::ws |
before 7:2.5.STABLE6-3.4E.11 | 7:2.5.STABLE6-3.4E.11 |
squid-debuginfoRed Hat:enterprise_linux:4::ws |
before 7:2.5.STABLE6-3.4E.11 | 7:2.5.STABLE6-3.4E.11 |
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, GitHub Advisories, NVD, OSV |
References
exchange.xforce.ibmcloud.com/vulnerabilities/18406
securitytracker.com/id?1012466
osvdb.org/12282
fedoranews.org/updates/FEDORA--.shtml
secunia.com/advisories/13408
squid-cache.org/bugs/show_bug.cgi?id=1143
Show 26 moreShow less
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9711
redhat.com/support/errata/RHSA-2005-766.html
securityfocus.com/bid/11865
nvd.nist.gov/vuln/detail/CVE-2004-2479
github.com/advisories/GHSA-wf7x-gjvh-m5r3
security-tracker.debian.org/tracker/CVE-2004-2479
access.redhat.com/errata/RHSA-2005:766
bugzilla.redhat.com/show_bug.cgi?id=166520
security.access.redhat.com/data/csaf/v2/advisories/2005/rhsa-2005_766.json
cve.org/CVERecord?id=CVE-2004-2479