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CVE-2011-2535
chan_iax2.c in the IAX2 channel driver in Asterisk Open Source 1.4.x before 1.4.41.1, 1.6.2.x before 1.6.2.18.1, and 1.8.x before 1.8.4.3,…
Medium5.0EPSS 4.6%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
chan_iax2.c in the IAX2 channel driver in Asterisk Open Source 1.4.x before 1.4.41.1, 1.6.2.x before 1.6.2.18.1, and 1.8.x before 1.8.4.3, and Asterisk Business Edition C.3 before C.3.7.3, accesses a memory address contained in an option control frame, which allows remote attackers to cause a denial of service (daemon crash) or possibly have unspecified other impact via a crafted frame.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 4.6% · top 8.3% of all CVEs (3 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.
Weakness
Affected products
n/a
- affected n/a
References (12)
- 44973 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- http://downloads.asterisk.org/pub/security/AST-2011-010-1.8.diff (opens in a new tab)x_refsource_CONFIRMx_transferred
- asterisk-iax2channeldriver-dos(68205) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- http://downloads.asterisk.org/pub/security/AST-2011-010.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- 48431 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 1025708 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- 45239 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- DSA-2276 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- FEDORA-2011-8914 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- 45048 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 73309 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- 45201 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2011-2535)Record last updated .