MEDIUM
rtp.c in Asterisk Open Source 1.2.x before 1.2.37, 1.4.x before 1.4.27.1, 1.6.0.x before 1.6.0.19, and 1.6.1.x before 1.6.1.11; Business Edition B.x.x before B.2.5.13, C.2.x.x before C.2.4.6, and C.3.x.x before C.3.2.3; and s800i 1.3.x before 1.3.0.6 allows remote attackers to cause a denial of service (daemon crash) via an RTP comfort noise payload with a long data length
Published Dec 2, 2009
5.0
MEDIUMCVSS 2.0
EPSS 2.83%
Description
rtp.c in Asterisk Open Source 1.2.x before 1.2.37, 1.4.x before 1.4.27.1, 1.6.0.x before 1.6.0.19, and 1.6.1.x before 1.6.1.11; Business Edition B.x.x before B.2.5.13, C.2.x.x before C.2.4.6, and C.3.x.x before C.3.2.3; and s800i 1.3.x before 1.3.0.6 allows remote attackers to cause a denial of service (daemon crash) via an RTP comfort noise payload with a long data length.
Affected products
No data.
Configuration 1
OR
- 1.2.0
- 1.2.0
- 1.2.0
- 1.2.0
- 1.2.0
- 1.2.1
- 1.2.2
- 1.2.2
- 1.2.3
- 1.2.3
- 1.2.10
- 1.2.10
- 1.2.11
- 1.2.11
- 1.2.12
- 1.2.12
- 1.2.12.1
- 1.2.12.1
- 1.2.13
- 1.2.13
- 1.2.14
- 1.2.15
- 1.2.15
- 1.2.16
- 1.2.16
- 1.2.17
- 1.2.17
- 1.2.18
- 1.2.18
- 1.2.19
- 1.2.19
- 1.2.20
- 1.2.20
- 1.2.21
- 1.2.21
- 1.2.21.1
- 1.2.21.1
- 1.2.22
- 1.2.22
- 1.2.23
- 1.2.23
- 1.2.24
- 1.2.24
- 1.2.25
- 1.2.25
- 1.2.26
- 1.2.26
- 1.2.26.1
- 1.2.26.1
- 1.2.26.2
- 1.2.26.2
- 1.2.27
- 1.2.28
- 1.2.28.1
- 1.2.29
- 1.2.30
- 1.2.30.1
- 1.2.30.2
- 1.2.30.3
- 1.2.30.4
- 1.2.31
- 1.2.31.1
- 1.2.32
- 1.2.33
- 1.2.34
- 1.2.35
- 1.2.36
- 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
- 1.4.27
- 1.4.27
- 1.6.0
- 1.6.0
- 1.6.0
- 1.6.0
- 1.6.0
- 1.6.0
- 1.6.0
- 1.6.0
- 1.6.0
- 1.6.0
- 1.6.0
- 1.6.0
- 1.6.0
- 1.6.0
- 1.6.0.1
- 1.6.0.2
- 1.6.0.3
- 1.6.0.3
- 1.6.0.4
- 1.6.0.5
- 1.6.0.6
- 1.6.0.7
- 1.6.0.8
- 1.6.0.9
- 1.6.0.10
- 1.6.0.11
- 1.6.0.11
- 1.6.0.11
- 1.6.0.14
- 1.6.0.14
- 1.6.0.15
- 1.6.0.16
- 1.6.0.16
- 1.6.0.16
- 1.6.0.18
- 1.6.1.0
- 1.6.1.0
- 1.6.1.0
- 1.6.1.0
- 1.6.1.0
- 1.6.1.1
- 1.6.1.2
- 1.6.1.3
- 1.6.1.4
- 1.6.1.5
- 1.6.1.5
- 1.6.1.6
- 1.6.1.7
- 1.6.1.7
- 1.6.1.8
- 1.6.1.10
- 1.6.1.10
- 1.6.1.10
- 1.6.1.10
Configuration 2
Configuration 3
OR
- b
- b.1.3.2
- b.1.3.3
- b.2.2.0
- b.2.2.1
- b.2.3.1
- b.2.3.2
- b.2.3.3
- b.2.3.4
- b.2.3.5
- b.2.3.6
- b.2.5.0
- b.2.5.1
- b.2.5.2
- b.2.5.3
- c
- c.2.3
- c.3.0
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.
2.83% 0.02829
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
EPSS probability 0.02829
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 (8 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 2.83% (0.02829) | 86.13th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.83% (0.02829) | 84.72th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.29% (0.00294) | 50.65th | v4 (v2025.03.14) |
| Dec 17, 2024 | 13.85% (0.13847) | 95.63th | v3 (v2023.03.01) |
| Mar 7, 2023 | 12.57% (0.12566) | 94.51th | v3 (v2023.03.01) |
| Mar 6, 2023 | 3.78% (0.03779) | 85.48th | v2 (v2022.01.01) |
| Apr 1, 2022 | 3.78% (0.03779) | 84.01th | v2 (v2022.01.01) |
| Feb 4, 2022 | 3.78% (0.03779) | 67.21th | v2 (v2022.01.01) |
Weaknesses (0)
No CWE recorded.
References (17)
- http://downloads.asterisk.org/pub/security/AST-2009-010-1.2.diff.txt x_refsource_CONFIRMExploit
- http://downloads.asterisk.org/pub/security/AST-2009-010-1.4.diff.txt x_refsource_CONFIRMExploit
- http://downloads.asterisk.org/pub/security/AST-2009-010-1.6.0.diff.txt x_refsource_CONFIRMExploit
- http://downloads.asterisk.org/pub/security/AST-2009-010-1.6.1.diff.txt x_refsource_CONFIRMExploit
- http://downloads.digium.com/pub/security/AST-2009-010.html x_refsource_CONFIRMVendor Advisory
- http://secunia.com/advisories/37530 third-party-advisoryx_refsource_SECUNIAExploitVendor Advisory
- http://secunia.com/advisories/37677 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/37708 third-party-advisoryx_refsource_SECUNIA
- http://securitytracker.com/id?1023249 vdb-entryx_refsource_SECTRACK
- http://www.debian.org/security/2009/dsa-1952 vendor-advisoryx_refsource_DEBIAN
- http://www.osvdb.org/60569 vdb-entryx_refsource_OSVDB
- http://www.redhat.com/archives/fedora-package-announce/2009-December/msg00759.html vendor-advisoryx_refsource_FEDORA
- http://www.securityfocus.com/archive/1/508147/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/bid/37153 vdb-entryx_refsource_BID
- http://www.vupen.com/english/advisories/2009/3368 vdb-entryx_refsource_VUPENVendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/54471 vdb-entryx_refsource_XF
- https://issues.asterisk.org/view.php?id=16242 x_refsource_CONFIRM
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Dec 2, 2009
Updated Aug 7, 2024
Reserved Nov 23, 2009
Link CVE-2009-4055
CISA Vulnrichment
Updated n/a