MEDIUM
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
Published Jul 6, 2011
5.0
MEDIUMCVSS 2.0
EPSS 4.61%
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.
Affected products
No data.
Configuration 1
OR
- 1.8.0
- 1.8.0
- 1.8.0
- 1.8.0
- 1.8.0
- 1.8.0
- 1.8.0
- 1.8.0
- 1.8.0
- 1.8.0
- 1.8.1
- 1.8.1
- 1.8.1.1
- 1.8.1.2
- 1.8.2
- 1.8.2.1
- 1.8.2.2
- 1.8.2.3
- 1.8.2.4
- 1.8.3
- 1.8.3
- 1.8.3
- 1.8.3
- 1.8.3.1
- 1.8.3.2
- 1.8.3.3
- 1.8.4
- 1.8.4
- 1.8.4
- 1.8.4
- 1.8.4.1
- 1.8.4.2
Configuration 2
OR
- 1.6.2.0
- 1.6.2.0
- 1.6.2.0
- 1.6.2.0
- 1.6.2.0
- 1.6.2.0
- 1.6.2.0
- 1.6.2.0
- 1.6.2.1
- 1.6.2.1
- 1.6.2.2
- 1.6.2.3
- 1.6.2.4
- 1.6.2.5
- 1.6.2.6
- 1.6.2.6
- 1.6.2.6
- 1.6.2.15
- 1.6.2.16
- 1.6.2.16
- 1.6.2.16.1
- 1.6.2.16.2
- 1.6.2.17
- 1.6.2.17
- 1.6.2.17
- 1.6.2.17
- 1.6.2.17.1
- 1.6.2.17.2
- 1.6.2.17.3
- 1.6.2.18
- 1.6.2.18
Configuration 3
OR
- 1.4.0
- 1.4.0
- 1.4.0
- 1.4.0
- 1.4.0
- 1.4.1
- 1.4.2
- 1.4.3
- 1.4.4
- 1.4.5
- 1.4.6
- 1.4.7
- 1.4.7.1
- 1.4.8
- 1.4.9
- 1.4.10
- 1.4.10.1
- 1.4.11
- 1.4.12
- 1.4.12.1
- 1.4.13
- 1.4.14
- 1.4.15
- 1.4.16
- 1.4.16.1
- 1.4.16.2
- 1.4.17
- 1.4.18
- 1.4.19
- 1.4.19
- 1.4.19
- 1.4.19
- 1.4.19
- 1.4.19.1
- 1.4.19.2
- 1.4.20
- 1.4.20
- 1.4.20
- 1.4.20
- 1.4.20.1
- 1.4.21
- 1.4.21
- 1.4.21
- 1.4.21.1
- 1.4.21.2
- 1.4.22
- 1.4.22
- 1.4.22
- 1.4.22
- 1.4.22
- 1.4.22
- 1.4.22.1
- 1.4.22.2
- 1.4.23
- 1.4.23
- 1.4.23
- 1.4.23
- 1.4.23
- 1.4.23.1
- 1.4.23.2
- 1.4.24
- 1.4.24
- 1.4.24.1
- 1.4.25
- 1.4.25
- 1.4.25.1
- 1.4.26
- 1.4.26
- 1.4.26
- 1.4.26
- 1.4.26
- 1.4.26
- 1.4.26
- 1.4.26.1
- 1.4.26.2
- 1.4.26.3
- 1.4.27
- 1.4.27
- 1.4.27
- 1.4.27
- 1.4.27
- 1.4.27
- 1.4.27.1
- 1.4.28
- 1.4.28
- 1.4.29
- 1.4.29
- 1.4.29.1
- 1.4.30
- 1.4.30
- 1.4.30
- 1.4.31
- 1.4.31
- 1.4.31
- 1.4.32
- 1.4.32
- 1.4.33
- 1.4.33
- 1.4.33
- 1.4.33.1
- 1.4.34
- 1.4.34
- 1.4.34
- 1.4.35
- 1.4.35
- 1.4.36
- 1.4.36
- 1.4.37
- 1.4.37
- 1.4.38
- 1.4.38
- 1.4.39
- 1.4.39
- 1.4.39.1
- 1.4.39.2
- 1.4.40
- 1.4.40
- 1.4.40
- 1.4.40
- 1.4.40.1
- 1.4.40.2
- 1.4.41
- 1.4.41
Configuration 4
OR
- c.3.0
- c.3.1.0
- c.3.1.1
- c.3.2.2
- c.3.2.3
- c.3.3.2
- c.3.6.2
- c.3.6.3
- c.3.6.4
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
4.61% 0.04612
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.04612
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 4.61% (0.04612) | 91.39th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.61% (0.04612) | 90.46th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.18% (0.00180) | 37.45th | v4 (v2025.03.14) |
| Dec 17, 2024 | 45.74% (0.45737) | 97.49th | v3 (v2023.03.01) |
| Dec 12, 2024 | 39.55% (0.39553) | 97.39th | v3 (v2023.03.01) |
| Jun 3, 2024 | 38.72% (0.38721) | 97.23th | v3 (v2023.03.01) |
| Jan 4, 2024 | 32.80% (0.32799) | 96.62th | v3 (v2023.03.01) |
| Mar 7, 2023 | 26.05% (0.26045) | 95.95th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.17% (0.02172) | 80.77th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.17% (0.02172) | 78.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.17% (0.02172) | 57.73th | v2 (v2022.01.01) |
Weaknesses (1)
References (12)
- http://downloads.asterisk.org/pub/security/AST-2011-010-1.8.diff x_refsource_CONFIRMPatch
- http://downloads.asterisk.org/pub/security/AST-2011-010.html x_refsource_CONFIRMVendor Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062628.html vendor-advisoryx_refsource_FEDORA
- http://secunia.com/advisories/44973 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/45048 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/45201 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/45239 third-party-advisoryx_refsource_SECUNIA
- http://securitytracker.com/id?1025708 vdb-entryx_refsource_SECTRACK
- http://www.debian.org/security/2011/dsa-2276 vendor-advisoryx_refsource_DEBIAN
- http://www.osvdb.org/73309 vdb-entryx_refsource_OSVDB
- http://www.securityfocus.com/bid/48431 vdb-entryx_refsource_BID
- https://exchange.xforce.ibmcloud.com/vulnerabilities/68205 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://downloads.asterisk.org/pub/security/AST-2011-010-1.8.diff | x_refsource_CONFIRMPatch | |
| http://downloads.asterisk.org/pub/security/AST-2011-010.html | x_refsource_CONFIRMVendor Advisory | |
| http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062628.html | vendor-advisoryx_refsource_FEDORA | |
| http://secunia.com/advisories/44973 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://secunia.com/advisories/45048 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://secunia.com/advisories/45201 | third-party-advisoryx_refsource_SECUNIA | |
| http://secunia.com/advisories/45239 | third-party-advisoryx_refsource_SECUNIA | |
| http://securitytracker.com/id?1025708 | vdb-entryx_refsource_SECTRACK | |
| http://www.debian.org/security/2011/dsa-2276 | vendor-advisoryx_refsource_DEBIAN | |
| http://www.osvdb.org/73309 | vdb-entryx_refsource_OSVDB | |
| http://www.securityfocus.com/bid/48431 | vdb-entryx_refsource_BID | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/68205 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Jul 6, 2011
Updated Aug 6, 2024
Reserved Jun 22, 2011
Link CVE-2011-2535
CISA Vulnrichment
Updated n/a