The clientProcessRequest() function in src/client_side.c in Squid 2.6 before 2.6.STABLE12…
Priority MEDIUM 46Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.
Summary
The clientProcessRequest() function in src/client_side.c in Squid 2.6 before 2.6.STABLE12 allows remote attackers to cause a denial of service (daemon crash) via crafted TRACE requests that trigger an assertion error.
Why it matters now
EPSS 0.28231 98th percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 11
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:squid:squid:2.6.stable1:*:*:*:*:*:*:* | 2.6.stable1 | Vulnerable | Squid |
| cpe:2.3:a:squid:squid:2.6.stable2:*:*:*:*:*:*:* | 2.6.stable2 | Vulnerable | Squid |
| cpe:2.3:a:squid:squid:2.6.stable3:*:*:*:*:*:*:* | 2.6.stable3 | Vulnerable | Squid |
| cpe:2.3:a:squid:squid:2.6.stable4:*:*:*:*:*:*:* | 2.6.stable4 | Vulnerable | Squid |
| cpe:2.3:a:squid:squid:2.6.stable5:*:*:*:*:*:*:* | 2.6.stable5 | Vulnerable | Squid |
| cpe:2.3:a:squid:squid:2.6.stable6:*:*:*:*:*:*:* | 2.6.stable6 | Vulnerable | Squid |
| cpe:2.3:a:squid:squid:2.6.stable7:*:*:*:*:*:*:* | 2.6.stable7 | Vulnerable | Squid |
| cpe:2.3:a:squid:squid:2.6.stable8:*:*:*:*:*:*:* | 2.6.stable8 | Vulnerable | Squid |
| cpe:2.3:a:squid:squid:2.6.stable9:*:*:*:*:*:*:* | 2.6.stable9 | Vulnerable | Squid |
| cpe:2.3:a:squid:squid:2.6.stable10:*:*:*:*:*:*:* | 2.6.stable10 | Vulnerable | Squid |
- cpe:2.3:a:squid:squid:2.6.stable1:*:*:*:*:*:*:* Versions 2.6.stable1 Vulnerable ·Squid
- cpe:2.3:a:squid:squid:2.6.stable2:*:*:*:*:*:*:* Versions 2.6.stable2 Vulnerable ·Squid
- cpe:2.3:a:squid:squid:2.6.stable3:*:*:*:*:*:*:* Versions 2.6.stable3 Vulnerable ·Squid
- cpe:2.3:a:squid:squid:2.6.stable4:*:*:*:*:*:*:* Versions 2.6.stable4 Vulnerable ·Squid
- cpe:2.3:a:squid:squid:2.6.stable5:*:*:*:*:*:*:* Versions 2.6.stable5 Vulnerable ·Squid
- cpe:2.3:a:squid:squid:2.6.stable6:*:*:*:*:*:*:* Versions 2.6.stable6 Vulnerable ·Squid
- cpe:2.3:a:squid:squid:2.6.stable7:*:*:*:*:*:*:* Versions 2.6.stable7 Vulnerable ·Squid
- cpe:2.3:a:squid:squid:2.6.stable8:*:*:*:*:*:*:* Versions 2.6.stable8 Vulnerable ·Squid
- cpe:2.3:a:squid:squid:2.6.stable9:*:*:*:*:*:*:* Versions 2.6.stable9 Vulnerable ·Squid
- cpe:2.3:a:squid:squid:2.6.stable10:*:*:*:*:*:*:* Versions 2.6.stable10 Vulnerable ·Squid
Remediation
Red Hat 1 advisory
- RHSA-2007:0131 Released 2007-04-03 · Red Hat rating Moderatesquid security update
- Red Hat Enterprise Linux (v. 5 server) squid-7:2.6.STABLE6-4.el5, squid-7:2.6.STABLE6-4.el5.i386, squid-7:2.6.STABLE6-4.el5.ia64 +1
- Red Hat Enterprise Linux Desktop Workstation (v. 5 client) squid-7:2.6.STABLE6-4.el5, squid-7:2.6.STABLE6-4.el5.i386
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux (v. 5 server) | Fixed | RHSA-2007:0131 |
| Red Hat Enterprise Linux Desktop Workstation (v. 5 client) | Fixed | RHSA-2007:0131 |
Timeline
- 2026-10-02 Threatist record created from CVE-2007-1560
- 2026-10-03 Alias added: GHSA-cmwg-5hv4-pp63
References
More Squid vulnerabilities
- TI-2009-00458 Squid 2.7 to 2.7.STABLE5, 3.0 to 3.0.STABLE12, and 3.1 to 3.1.0.4 allows remote attackers… CVSS 2.0MEDIUM 5.0
- TI-2005-00207 The httpProcessReplyHeader function in http.c for Squid 2.5-STABLE7 and earlier does not… CVSS 2.0MEDIUM 5.0
- TI-2005-00080 The WCCP message parsing code in Squid 2.5.STABLE7 and earlier allows remote attackers to… CVSS 2.0MEDIUM 5.0
- TI-2005-00142 squid_ldap_auth in Squid 2.5 and earlier allows remote authenticated users to bypass… CVSS 2.0HIGH 7.5
- TI-2005-00143 Squid 2.5 up to 2.5.STABLE7 allows remote attackers to poison the cache or conduct… CVSS 2.0MEDIUM 5.0
- TI-2005-00404 Squid 2.5.STABLE8 and earlier allows remote attackers to cause a denial of service… CVSS 2.0MEDIUM 5.0
Sources
- CVE-2007-1560 · CVE Program
- CVE-2007-1560 · NVD
- FIRST EPSS
- GHSA-cmwg-5hv4-pp63 · GitHub Advisory Database · CC BY 4.0
- CVE-2007-1560 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences