The strHdrAcptLangGetItem function in errorpage.cc in Squid 3.2.x before 3.2.9 and 3.3.x…
Priority MEDIUM 51CWE-20Published · 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 · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
The strHdrAcptLangGetItem function in errorpage.cc in Squid 3.2.x before 3.2.9 and 3.3.x before 3.3.3 allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a "," character in an Accept-Language header.
Why it matters now
EPSS 0.17396 97th percentileScored 2026-11-07
Fix No fix listed 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 · 32
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:squid-cache:squid:3.2.0.1:*:*:*:*:*:*:* | 3.2.0.1 | Vulnerable | squid-cache |
| cpe:2.3:a:squid-cache:squid:3.2.0.2:*:*:*:*:*:*:* | 3.2.0.2 | Vulnerable | squid-cache |
| cpe:2.3:a:squid-cache:squid:3.2.0.3:*:*:*:*:*:*:* | 3.2.0.3 | Vulnerable | squid-cache |
| cpe:2.3:a:squid-cache:squid:3.2.0.4:*:*:*:*:*:*:* | 3.2.0.4 | Vulnerable | squid-cache |
| cpe:2.3:a:squid-cache:squid:3.2.0.5:*:*:*:*:*:*:* | 3.2.0.5 | Vulnerable | squid-cache |
| cpe:2.3:a:squid-cache:squid:3.2.0.6:*:*:*:*:*:*:* | 3.2.0.6 | Vulnerable | squid-cache |
| cpe:2.3:a:squid-cache:squid:3.2.0.7:*:*:*:*:*:*:* | 3.2.0.7 | Vulnerable | squid-cache |
| cpe:2.3:a:squid-cache:squid:3.2.0.8:*:*:*:*:*:*:* | 3.2.0.8 | Vulnerable | squid-cache |
| cpe:2.3:a:squid-cache:squid:3.2.0.9:*:*:*:*:*:*:* | 3.2.0.9 | Vulnerable | squid-cache |
| cpe:2.3:a:squid-cache:squid:3.2.0.10:*:*:*:*:*:*:* | 3.2.0.10 | Vulnerable | squid-cache |
- cpe:2.3:a:squid-cache:squid:3.2.0.1:*:*:*:*:*:*:* Versions 3.2.0.1 Vulnerable ·squid-cache
- cpe:2.3:a:squid-cache:squid:3.2.0.2:*:*:*:*:*:*:* Versions 3.2.0.2 Vulnerable ·squid-cache
- cpe:2.3:a:squid-cache:squid:3.2.0.3:*:*:*:*:*:*:* Versions 3.2.0.3 Vulnerable ·squid-cache
- cpe:2.3:a:squid-cache:squid:3.2.0.4:*:*:*:*:*:*:* Versions 3.2.0.4 Vulnerable ·squid-cache
- cpe:2.3:a:squid-cache:squid:3.2.0.5:*:*:*:*:*:*:* Versions 3.2.0.5 Vulnerable ·squid-cache
- cpe:2.3:a:squid-cache:squid:3.2.0.6:*:*:*:*:*:*:* Versions 3.2.0.6 Vulnerable ·squid-cache
- cpe:2.3:a:squid-cache:squid:3.2.0.7:*:*:*:*:*:*:* Versions 3.2.0.7 Vulnerable ·squid-cache
- cpe:2.3:a:squid-cache:squid:3.2.0.8:*:*:*:*:*:*:* Versions 3.2.0.8 Vulnerable ·squid-cache
- cpe:2.3:a:squid-cache:squid:3.2.0.9:*:*:*:*:*:*:* Versions 3.2.0.9 Vulnerable ·squid-cache
- cpe:2.3:a:squid-cache:squid:3.2.0.10:*:*:*:*:*:*:* Versions 3.2.0.10 Vulnerable ·squid-cache
Show 22 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:squid-cache:squid:3.2.0.11:*:*:*:*:*:*:* | 3.2.0.11 | Vulnerable | squid-cache |
| cpe:2.3:a:squid-cache:squid:3.2.0.12:*:*:*:*:*:*:* | 3.2.0.12 | Vulnerable | squid-cache |
| cpe:2.3:a:squid-cache:squid:3.2.0.13:*:*:*:*:*:*:* | 3.2.0.13 | Vulnerable | squid-cache |
| cpe:2.3:a:squid-cache:squid:3.2.0.14:*:*:*:*:*:*:* | 3.2.0.14 | Vulnerable | squid-cache |
| cpe:2.3:a:squid-cache:squid:3.2.0.15:*:*:*:*:*:*:* | 3.2.0.15 | Vulnerable | squid-cache |
| cpe:2.3:a:squid-cache:squid:3.2.0.16:*:*:*:*:*:*:* | 3.2.0.16 | Vulnerable | squid-cache |
| cpe:2.3:a:squid-cache:squid:3.2.0.17:*:*:*:*:*:*:* | 3.2.0.17 | Vulnerable | squid-cache |
| cpe:2.3:a:squid-cache:squid:3.2.0.18:*:*:*:*:*:*:* | 3.2.0.18 | Vulnerable | squid-cache |
| cpe:2.3:a:squid-cache:squid:3.2.0.19:*:*:*:*:*:*:* | 3.2.0.19 | Vulnerable | squid-cache |
| cpe:2.3:a:squid-cache:squid:3.2.1:*:*:*:*:*:*:* | 3.2.1 | Vulnerable | squid-cache |
| cpe:2.3:a:squid-cache:squid:3.2.2:*:*:*:*:*:*:* | 3.2.2 | Vulnerable | squid-cache |
| cpe:2.3:a:squid-cache:squid:3.2.3:*:*:*:*:*:*:* | 3.2.3 | Vulnerable | squid-cache |
| cpe:2.3:a:squid-cache:squid:3.2.4:*:*:*:*:*:*:* | 3.2.4 | Vulnerable | squid-cache |
| cpe:2.3:a:squid-cache:squid:3.2.5:*:*:*:*:*:*:* | 3.2.5 | Vulnerable | squid-cache |
| cpe:2.3:a:squid-cache:squid:3.2.6:*:*:*:*:*:*:* | 3.2.6 | Vulnerable | squid-cache |
| cpe:2.3:a:squid-cache:squid:3.2.7:*:*:*:*:*:*:* | 3.2.7 | Vulnerable | squid-cache |
| cpe:2.3:a:squid-cache:squid:3.2.8:*:*:*:*:*:*:* | 3.2.8 | Vulnerable | squid-cache |
| cpe:2.3:a:squid-cache:squid:3.3.0:*:*:*:*:*:*:* | 3.3.0 | Vulnerable | squid-cache |
| cpe:2.3:a:squid-cache:squid:3.3.0.2:*:*:*:*:*:*:* | 3.3.0.2 | Vulnerable | squid-cache |
| cpe:2.3:a:squid-cache:squid:3.3.0.3:*:*:*:*:*:*:* | 3.3.0.3 | Vulnerable | squid-cache |
| cpe:2.3:a:squid-cache:squid:3.3.1:*:*:*:*:*:*:* | 3.3.1 | Vulnerable | squid-cache |
| cpe:2.3:a:squid-cache:squid:3.3.2:*:*:*:*:*:*:* | 3.3.2 | Vulnerable | squid-cache |
- cpe:2.3:a:squid-cache:squid:3.2.0.11:*:*:*:*:*:*:* Versions 3.2.0.11 Vulnerable ·squid-cache
- cpe:2.3:a:squid-cache:squid:3.2.0.12:*:*:*:*:*:*:* Versions 3.2.0.12 Vulnerable ·squid-cache
- cpe:2.3:a:squid-cache:squid:3.2.0.13:*:*:*:*:*:*:* Versions 3.2.0.13 Vulnerable ·squid-cache
- cpe:2.3:a:squid-cache:squid:3.2.0.14:*:*:*:*:*:*:* Versions 3.2.0.14 Vulnerable ·squid-cache
- cpe:2.3:a:squid-cache:squid:3.2.0.15:*:*:*:*:*:*:* Versions 3.2.0.15 Vulnerable ·squid-cache
- cpe:2.3:a:squid-cache:squid:3.2.0.16:*:*:*:*:*:*:* Versions 3.2.0.16 Vulnerable ·squid-cache
- cpe:2.3:a:squid-cache:squid:3.2.0.17:*:*:*:*:*:*:* Versions 3.2.0.17 Vulnerable ·squid-cache
- cpe:2.3:a:squid-cache:squid:3.2.0.18:*:*:*:*:*:*:* Versions 3.2.0.18 Vulnerable ·squid-cache
- cpe:2.3:a:squid-cache:squid:3.2.0.19:*:*:*:*:*:*:* Versions 3.2.0.19 Vulnerable ·squid-cache
- cpe:2.3:a:squid-cache:squid:3.2.1:*:*:*:*:*:*:* Versions 3.2.1 Vulnerable ·squid-cache
- cpe:2.3:a:squid-cache:squid:3.2.2:*:*:*:*:*:*:* Versions 3.2.2 Vulnerable ·squid-cache
- cpe:2.3:a:squid-cache:squid:3.2.3:*:*:*:*:*:*:* Versions 3.2.3 Vulnerable ·squid-cache
- cpe:2.3:a:squid-cache:squid:3.2.4:*:*:*:*:*:*:* Versions 3.2.4 Vulnerable ·squid-cache
- cpe:2.3:a:squid-cache:squid:3.2.5:*:*:*:*:*:*:* Versions 3.2.5 Vulnerable ·squid-cache
- cpe:2.3:a:squid-cache:squid:3.2.6:*:*:*:*:*:*:* Versions 3.2.6 Vulnerable ·squid-cache
- cpe:2.3:a:squid-cache:squid:3.2.7:*:*:*:*:*:*:* Versions 3.2.7 Vulnerable ·squid-cache
- cpe:2.3:a:squid-cache:squid:3.2.8:*:*:*:*:*:*:* Versions 3.2.8 Vulnerable ·squid-cache
- cpe:2.3:a:squid-cache:squid:3.3.0:*:*:*:*:*:*:* Versions 3.3.0 Vulnerable ·squid-cache
- cpe:2.3:a:squid-cache:squid:3.3.0.2:*:*:*:*:*:*:* Versions 3.3.0.2 Vulnerable ·squid-cache
- cpe:2.3:a:squid-cache:squid:3.3.0.3:*:*:*:*:*:*:* Versions 3.3.0.3 Vulnerable ·squid-cache
- cpe:2.3:a:squid-cache:squid:3.3.1:*:*:*:*:*:*:* Versions 3.3.1 Vulnerable ·squid-cache
- cpe:2.3:a:squid-cache:squid:3.3.2:*:*:*:*:*:*:* Versions 3.3.2 Vulnerable ·squid-cache
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
Not affected: 2 products
- Red Hat Enterprise Linux 5
- Red Hat Enterprise Linux 6
Timeline
- 2026-10-02 Threatist record created from CVE-2013-1839
- 2026-10-03 Alias added: GHSA-whxc-8p42-x72j
References
Other 4
- http://www.squid-cache.org/Advisories/SQUID-2013_1.txt
- 20130305 Squid 3.2.7 DoS (loop, 100% cpu) strHdrAcptLangGetItem() at errorpage.cc
- 20130307 Re: Squid 3.2.7 DoS (loop, 100% cpu) strHdrAcptLangGetItem() at errorpage.cc
- [oss-security] 20130311 Re: Squid 3.2.7 DoS (loop, 100% cpu) strHdrAcptLangGetItem() at errorpage.cc
More squid-cache Squid vulnerabilities
- TI-2025-38486 Squid vulnerable to information disclosure via authentication credential leakage in error handling CVSS 3.1CRITICAL 10.0
- TI-2024-16845 Denial of Service in HTTP Header parser in squid proxy CVSS 3.1HIGH 7.5
- TI-2024-16566 SQUID-2024:1 Denial of Service in HTTP Chunked Decoding CVSS 3.1HIGH 8.6
- TI-2023-26921 Denial of Service in HTTP Message Processing in Squid CVSS 3.1HIGH 8.6
- TI-2023-27496 SQUID-2023:10 Denial of Service in HTTP Request parsing CVSS 3.1HIGH 8.6
- TI-2023-25306 Squid: denial of service in http digest authentication CVSS 3.1HIGH 8.6
Sources
- CVE-2013-1839 · CVE Program
- CVE-2013-1839 · NVD
- FIRST EPSS
- GHSA-whxc-8p42-x72j · GitHub Advisory Database · CC BY 4.0
- CVE-2013-1839 · 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