Buffer overflow in the idnsALookup function in dns_internal.cc in Squid 3.2 through…
Priority MEDIUM 62CWE-119Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Partial · Partial · Partial
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-119 and the CVSS impact.
Summary
Buffer overflow in the idnsALookup function in dns_internal.cc in Squid 3.2 through 3.2.11 and 3.3 through 3.3.6 allows remote attackers to cause a denial of service (memory corruption and server termination) via a long name in a DNS lookup request.
Why it matters now
EPSS 0.43895 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 · 23
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:opensuse:opensuse:11.4:*:*:*:*:*:*:* | 11.4 | Vulnerable | openSUSE |
| cpe:2.3:o:opensuse:opensuse:12.2:*:*:*:*:*:*:* | 12.2 | Vulnerable | openSUSE |
| cpe:2.3:o:opensuse:opensuse:12.3:*:*:*:*:*:*:* | 12.3 | Vulnerable | openSUSE |
| cpe:2.3:a:squid-cache:squid:3.2.0.1:*:*:*:*:*:*:* | 3.2.0.1 | Running on | 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:o:opensuse:opensuse:11.4:*:*:*:*:*:*:* Versions 11.4 Vulnerable ·openSUSE
- cpe:2.3:o:opensuse:opensuse:12.2:*:*:*:*:*:*:* Versions 12.2 Vulnerable ·openSUSE
- cpe:2.3:o:opensuse:opensuse:12.3:*:*:*:*:*:*:* Versions 12.3 Vulnerable ·openSUSE
- cpe:2.3:a:squid-cache:squid:3.2.0.1:*:*:*:*:*:*:* Versions 3.2.0.1 Running on ·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
Show 13 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| 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 | Running on | squid-cache |
| cpe:2.3:a:squid-cache:squid:3.2.0.11:*:*:*:*:*:*:* | 3.2.0.11 | Running on | 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:3.3.3:*:*:*:*:*:*:* | 3.3.3 | Vulnerable | squid-cache |
| cpe:2.3:a:squid-cache:squid:3.3.4:*:*:*:*:*:*:* | 3.3.4 | Vulnerable | squid-cache |
| cpe:2.3:a:squid-cache:squid:3.3.5:*:*:*:*:*:*:* | 3.3.5 | Vulnerable | squid-cache |
| cpe:2.3:a:squid-cache:squid:3.3.6:*:*:*:*:*:*:* | 3.3.6 | 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 Running on ·squid-cache
- cpe:2.3:a:squid-cache:squid:3.2.0.11:*:*:*:*:*:*:* Versions 3.2.0.11 Running on ·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
- cpe:2.3:a:squid-cache:squid:3.3.3:*:*:*:*:*:*:* Versions 3.3.3 Vulnerable ·squid-cache
- cpe:2.3:a:squid-cache:squid:3.3.4:*:*:*:*:*:*:* Versions 3.3.4 Vulnerable ·squid-cache
- cpe:2.3:a:squid-cache:squid:3.3.5:*:*:*:*:*:*:* Versions 3.3.5 Vulnerable ·squid-cache
- cpe:2.3:a:squid-cache:squid:3.3.6:*:*:*:*:*:*:* Versions 3.3.6 Vulnerable ·squid-cache
Remediation
Red Hat 1 advisory
- RHSA-2014:1148 Released 2014-09-03 · Red Hat rating Importantsquid security update
- Red Hat Enterprise Linux (v. 5 server) squid-7:2.6.STABLE21-7.el5_10, squid-7:2.6.STABLE21-7.el5_10.i386, squid-7:2.6.STABLE21-7.el5_10.ia64 +1
- Red Hat Enterprise Linux Desktop Workstation (v. 5 client) squid-7:2.6.STABLE21-7.el5_10, squid-7:2.6.STABLE21-7.el5_10.i386
- Red Hat Enterprise Linux Server (v. 6) squid-7:3.1.10-22.el6_5
- Red Hat Enterprise Linux Workstation (v. 6) squid-7:3.1.10-22.el6_5
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux (v. 5 server) | Fixed | RHSA-2014:1148 |
| Red Hat Enterprise Linux Desktop Workstation (v. 5 client) | Fixed | RHSA-2014:1148 |
| Red Hat Enterprise Linux Server (v. 6) | Fixed | RHSA-2014:1148 |
| Red Hat Enterprise Linux Workstation (v. 6) | Fixed | RHSA-2014:1148 |
Not affected: 1 product
- Red Hat Enterprise Linux 7
Timeline
- 2026-10-02 Threatist record created from CVE-2013-4115
- 2026-10-03 Alias added: GHSA-8f69-q75r-2vcf
References
Patch 4
Advisory 8
Sources
- CVE-2013-4115 · CVE Program
- CVE-2013-4115 · NVD
- FIRST EPSS
- GHSA-8f69-q75r-2vcf · GitHub Advisory Database · CC BY 4.0
- CVE-2013-4115 · 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