Stack-based buffer overflow in res/res_format_attr_h264.c in Asterisk Open Source 11.x…
Priority LOW 38CWE-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
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
Stack-based buffer overflow in res/res_format_attr_h264.c in Asterisk Open Source 11.x before 11.2.2 allows remote attackers to execute arbitrary code via a long sprop-parameter-sets H.264 media attribute in a SIP Session Description Protocol (SDP) header.
Why it matters now
EPSS 0.02621 85th 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 · 16
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:asterisk:open_source:11.0.0:*:*:*:*:*:*:* | 11.0.0 | Vulnerable | asterisk |
| cpe:2.3:a:asterisk:open_source:11.0.0:beta1:*:*:*:*:*:* | 11.0.0 beta1 | Vulnerable | asterisk |
| cpe:2.3:a:asterisk:open_source:11.0.0:beta2:*:*:*:*:*:* | 11.0.0 beta2 | Vulnerable | asterisk |
| cpe:2.3:a:asterisk:open_source:11.0.0:rc1:*:*:*:*:*:* | 11.0.0 rc1 | Vulnerable | asterisk |
| cpe:2.3:a:asterisk:open_source:11.0.0:rc2:*:*:*:*:*:* | 11.0.0 rc2 | Vulnerable | asterisk |
| cpe:2.3:a:asterisk:open_source:11.0.1:*:*:*:*:*:*:* | 11.0.1 | Vulnerable | asterisk |
| cpe:2.3:a:asterisk:open_source:11.0.2:*:*:*:*:*:*:* | 11.0.2 | Vulnerable | asterisk |
| cpe:2.3:a:asterisk:open_source:11.1.0:*:*:*:*:*:*:* | 11.1.0 | Vulnerable | asterisk |
| cpe:2.3:a:asterisk:open_source:11.1.0:rc1:*:*:*:*:*:* | 11.1.0 rc1 | Vulnerable | asterisk |
| cpe:2.3:a:asterisk:open_source:11.1.0:rc3:*:*:*:*:*:* | 11.1.0 rc3 | Vulnerable | asterisk |
- cpe:2.3:a:asterisk:open_source:11.0.0:*:*:*:*:*:*:* Versions 11.0.0 Vulnerable ·asterisk
- cpe:2.3:a:asterisk:open_source:11.0.0:beta1:*:*:*:*:*:* Versions 11.0.0 beta1 Vulnerable ·asterisk
- cpe:2.3:a:asterisk:open_source:11.0.0:beta2:*:*:*:*:*:* Versions 11.0.0 beta2 Vulnerable ·asterisk
- cpe:2.3:a:asterisk:open_source:11.0.0:rc1:*:*:*:*:*:* Versions 11.0.0 rc1 Vulnerable ·asterisk
- cpe:2.3:a:asterisk:open_source:11.0.0:rc2:*:*:*:*:*:* Versions 11.0.0 rc2 Vulnerable ·asterisk
- cpe:2.3:a:asterisk:open_source:11.0.1:*:*:*:*:*:*:* Versions 11.0.1 Vulnerable ·asterisk
- cpe:2.3:a:asterisk:open_source:11.0.2:*:*:*:*:*:*:* Versions 11.0.2 Vulnerable ·asterisk
- cpe:2.3:a:asterisk:open_source:11.1.0:*:*:*:*:*:*:* Versions 11.1.0 Vulnerable ·asterisk
- cpe:2.3:a:asterisk:open_source:11.1.0:rc1:*:*:*:*:*:* Versions 11.1.0 rc1 Vulnerable ·asterisk
- cpe:2.3:a:asterisk:open_source:11.1.0:rc3:*:*:*:*:*:* Versions 11.1.0 rc3 Vulnerable ·asterisk
Show 6 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:asterisk:open_source:11.1.1:*:*:*:*:*:*:* | 11.1.1 | Vulnerable | asterisk |
| cpe:2.3:a:asterisk:open_source:11.1.2:*:*:*:*:*:*:* | 11.1.2 | Vulnerable | asterisk |
| cpe:2.3:a:asterisk:open_source:11.2.0:*:*:*:*:*:*:* | 11.2.0 | Vulnerable | asterisk |
| cpe:2.3:a:asterisk:open_source:11.2.0:rc1:*:*:*:*:*:* | 11.2.0 rc1 | Vulnerable | asterisk |
| cpe:2.3:a:asterisk:open_source:11.2.0:rc2:*:*:*:*:*:* | 11.2.0 rc2 | Vulnerable | asterisk |
| cpe:2.3:a:asterisk:open_source:11.2.1:*:*:*:*:*:*:* | 11.2.1 | Vulnerable | asterisk |
- cpe:2.3:a:asterisk:open_source:11.1.1:*:*:*:*:*:*:* Versions 11.1.1 Vulnerable ·asterisk
- cpe:2.3:a:asterisk:open_source:11.1.2:*:*:*:*:*:*:* Versions 11.1.2 Vulnerable ·asterisk
- cpe:2.3:a:asterisk:open_source:11.2.0:*:*:*:*:*:*:* Versions 11.2.0 Vulnerable ·asterisk
- cpe:2.3:a:asterisk:open_source:11.2.0:rc1:*:*:*:*:*:* Versions 11.2.0 rc1 Vulnerable ·asterisk
- cpe:2.3:a:asterisk:open_source:11.2.0:rc2:*:*:*:*:*:* Versions 11.2.0 rc2 Vulnerable ·asterisk
- cpe:2.3:a:asterisk:open_source:11.2.1:*:*:*:*:*:*:* Versions 11.2.1 Vulnerable ·asterisk
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2013-2685
- 2026-10-03 Alias added: GHSA-xgpw-j4x5-5gv2
References
More asterisk Open Source vulnerabilities
- TI-2008-01239 Multiple buffer overflows in Asterisk Open Source 1.4.x before 1.4.18.1 and 1.4.19-rc3… CVSS 2.0HIGH 7.5
- TI-2012-01955 Incomplete blacklist vulnerability in main/manager.c in Asterisk Open Source 1.8.x before… CVSS 2.0HIGH 9.0
- TI-2008-00085 The SIP channel driver in Asterisk Open Source 1.4.x before 1.4.17, Business Edition… CVSS 2.0MEDIUM 5.0
- TI-2008-01282 Unspecified vulnerability in Asterisk Open Source 1.2.x before 1.2.27, 1.4.x before… CVSS 2.0HIGH 8.8
- TI-2008-03126 The FWDOWNL firmware-download implementation in Asterisk Open Source 1.0.x, 1.2.x before… CVSS 2.0HIGH 7.8
- TI-2009-02237 The IAX2 protocol implementation in Asterisk Open Source 1.2.x before 1.2.35, 1.4.x… CVSS 2.0HIGH 7.8
Sources
- CVE-2013-2685 · CVE Program
- CVE-2013-2685 · NVD
- FIRST EPSS
- GHSA-xgpw-j4x5-5gv2 · GitHub Advisory Database · CC BY 4.0
- CVE-2013-2685 · 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