Squid 2.4 STABLE3 and earlier allows remote attackers to cause a denial of service (core…
Priority MEDIUM 45Published · 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
- Partial · Partial · Partial
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.
Summary
Squid 2.4 STABLE3 and earlier allows remote attackers to cause a denial of service (core dump) and possibly execute arbitrary code with an ftp:// URL with a larger number of special characters, which exceed the buffer when Squid URL-escapes the characters.
Why it matters now
EPSS 0.09449 95th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed No fixed version in the sources yet
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:*:*:*:*:*:*:*:* | up to 2.4_stable_3 | Vulnerable | Squid |
| cpe:2.3:o:redhat:linux:6.2:*:alpha:*:*:*:*:* | 6.2 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:linux:6.2:*:i386:*:*:*:*:* | 6.2 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:linux:6.2:*:sparc:*:*:*:*:* | 6.2 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:linux:7.0:*:alpha:*:*:*:*:* | 7.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:linux:7.0:*:i386:*:*:*:*:* | 7.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:linux:7.1:*:alpha:*:*:*:*:* | 7.1 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:linux:7.1:*:i386:*:*:*:*:* | 7.1 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:linux:7.1:*:ia64:*:*:*:*:* | 7.1 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:linux:7.2:*:i386:*:*:*:*:* | 7.2 | Vulnerable | Red Hat |
- cpe:2.3:a:squid:squid:*:*:*:*:*:*:*:* Versions up to 2.4_stable_3 Vulnerable ·Squid
- cpe:2.3:o:redhat:linux:6.2:*:alpha:*:*:*:*:* Versions 6.2 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:linux:6.2:*:i386:*:*:*:*:* Versions 6.2 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:linux:6.2:*:sparc:*:*:*:*:* Versions 6.2 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:linux:7.0:*:alpha:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:linux:7.0:*:i386:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:linux:7.1:*:alpha:*:*:*:*:* Versions 7.1 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:linux:7.1:*:i386:*:*:*:*:* Versions 7.1 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:linux:7.1:*:ia64:*:*:*:*:* Versions 7.1 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:linux:7.2:*:i386:*:*:*:*:* Versions 7.2 Vulnerable ·Red Hat
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Linux 6.2 | Fixed | RHSA-2002:029 |
| Red Hat Linux 7.0 | Fixed | RHSA-2002:029 |
| Red Hat Linux 7.1 | Fixed | RHSA-2002:029 |
| Red Hat Linux 7.2 | Fixed | RHSA-2002:029 |
Timeline
- 2026-10-02 Threatist record created from CVE-2002-0068
- 2026-10-03 Alias added: GHSA-jqrq-2m5q-qcch
References
Patch 1
Sources
- CVE-2002-0068 · CVE Program
- CVE-2002-0068 · NVD
- FIRST EPSS
- GHSA-jqrq-2m5q-qcch · GitHub Advisory Database · CC BY 4.0
- CVE-2002-0068 · 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