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The patch is available as a commit in the master branch (2.13.1).","references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2022-23537","reference_id":"","reference_type":"","scores":[{"value":"0.00422","scoring_system":"epss","scoring_elements":"0.62481","published_at":"2026-06-11T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2022-23537"},{"reference_url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-23537","reference_id":"","reference_type":"","scores":[],"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-23537"},{"reference_url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-23547","reference_id":"","reference_type":"","scores":[],"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-23547"},{"reference_url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-31031","reference_id":"","reference_type":"","scores":[],"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-31031"},{"reference_url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-37325","reference_id":"","reference_type":"","scores":[],"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-37325"},{"reference_url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-39244","reference_id":"","reference_type":"","scores":[],"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-39244"},{"reference_url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-39269","reference_id":"","reference_type":"","scores":[],"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-39269"},{"reference_url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-42705","reference_id":"","reference_type":"","scores":[],"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-42705"},{"reference_url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-42706","reference_id":"","reference_type":"","scores":[],"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-42706"},{"reference_url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1032092","reference_id":"1032092","reference_type":"","scores":[],"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1032092"},{"reference_url":"https://github.com/pjsip/pjproject/commit/d8440f4d711a654b511f50f79c0445b26f9dd1e1","reference_id":"d8440f4d711a654b511f50f79c0445b26f9dd1e1","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:H"},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-16T14:52:00Z/"}],"url":"https://github.com/pjsip/pjproject/commit/d8440f4d711a654b511f50f79c0445b26f9dd1e1"},{"reference_url":"https://github.com/pjsip/pjproject/security/advisories/GHSA-9pfh-r8x4-w26w","reference_id":"GHSA-9pfh-r8x4-w26w","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:H"},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-16T14:52:00Z/"}],"url":"https://github.com/pjsip/pjproject/security/advisories/GHSA-9pfh-r8x4-w26w"},{"reference_url":"https://lists.debian.org/debian-lts-announce/2023/08/msg00038.html","reference_id":"msg00038.html","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:H"},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-16T14:52:00Z/"}],"url":"https://lists.debian.org/debian-lts-announce/2023/08/msg00038.html"},{"reference_url":"https://usn.ubuntu.com/6422-1/","reference_id":"USN-6422-1","reference_type":"","scores":[],"url":"https://usn.ubuntu.com/6422-1/"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/161070?format=json","purl":"pkg:apk/alpine/asterisk@18.20.2-r0?arch=aarch64&distroversion=v3.17&reponame=main","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:apk/alpine/asterisk@18.20.2-r0%3Farch=aarch64&distroversion=v3.17&reponame=main"}],"aliases":["CVE-2022-23537"],"risk_score":null,"exploitability":null,"weighted_severity":null,"resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-285z-mgz1-q7cd"},{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/132990?format=json","vulnerability_id":"VCID-k99k-99mz-8uc5","summary":"Asterisk is an open source private branch exchange and telephony toolkit. In Asterisk prior to versions 18.20.1, 20.5.1, and 21.0.1; as well as certified-asterisk prior to 18.9-cert6; Asterisk is susceptible to a DoS due to a race condition in the hello handshake phase of the DTLS protocol when handling DTLS-SRTP for media setup. This attack can be done continuously, thus denying new DTLS-SRTP encrypted calls during the attack. Abuse of this vulnerability may lead to a massive Denial of Service on vulnerable Asterisk servers for calls that rely on DTLS-SRTP. Commit d7d7764cb07c8a1872804321302ef93bf62cba05 contains a fix, which is part of versions 18.20.1, 20.5.1, 21.0.1, amd 18.9-cert6.","references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2023-49786","reference_id":"","reference_type":"","scores":[{"value":"0.00077","scoring_system":"epss","scoring_elements":"0.23002","published_at":"2026-06-11T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2023-49786"},{"reference_url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-37457","reference_id":"","reference_type":"","scores":[],"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-37457"},{"reference_url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-38703","reference_id":"","reference_type":"","scores":[],"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-38703"},{"reference_url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-49294","reference_id":"","reference_type":"","scores":[],"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-49294"},{"reference_url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-49786","reference_id":"","reference_type":"","scores":[],"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-49786"},{"reference_url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1059033","reference_id":"1059033","reference_type":"","scores":[],"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1059033"},{"reference_url":"http://seclists.org/fulldisclosure/2023/Dec/24","reference_id":"24","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:P/A:Y/T:P/P:M/B:A/M:M/D:T/2024-10-08T14:19:55Z/"}],"url":"http://seclists.org/fulldisclosure/2023/Dec/24"},{"reference_url":"http://www.openwall.com/lists/oss-security/2023/12/15/7","reference_id":"7","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:P/A:Y/T:P/P:M/B:A/M:M/D:T/2024-10-08T14:19:55Z/"}],"url":"http://www.openwall.com/lists/oss-security/2023/12/15/7"},{"reference_url":"http://packetstormsecurity.com/files/176251/Asterisk-20.1.0-Denial-Of-Service.html","reference_id":"Asterisk-20.1.0-Denial-Of-Service.html","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:P/A:Y/T:P/P:M/B:A/M:M/D:T/2024-10-08T14:19:55Z/"}],"url":"http://packetstormsecurity.com/files/176251/Asterisk-20.1.0-Denial-Of-Service.html"},{"reference_url":"https://github.com/asterisk/asterisk/commit/d7d7764cb07c8a1872804321302ef93bf62cba05","reference_id":"d7d7764cb07c8a1872804321302ef93bf62cba05","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:P/A:Y/T:P/P:M/B:A/M:M/D:T/2024-10-08T14:19:55Z/"}],"url":"https://github.com/asterisk/asterisk/commit/d7d7764cb07c8a1872804321302ef93bf62cba05"},{"reference_url":"https://github.com/EnableSecurity/advisories/tree/master/ES2023-01-asterisk-dtls-hello-race","reference_id":"ES2023-01-asterisk-dtls-hello-race","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:P/A:Y/T:P/P:M/B:A/M:M/D:T/2024-10-08T14:19:55Z/"}],"url":"https://github.com/EnableSecurity/advisories/tree/master/ES2023-01-asterisk-dtls-hello-race"},{"reference_url":"https://github.com/asterisk/asterisk/security/advisories/GHSA-hxj9-xwr8-w8pq","reference_id":"GHSA-hxj9-xwr8-w8pq","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:P/A:Y/T:P/P:M/B:A/M:M/D:T/2024-10-08T14:19:55Z/"}],"url":"https://github.com/asterisk/asterisk/security/advisories/GHSA-hxj9-xwr8-w8pq"},{"reference_url":"https://security.gentoo.org/glsa/202412-03","reference_id":"GLSA-202412-03","reference_type":"","scores":[],"url":"https://security.gentoo.org/glsa/202412-03"},{"reference_url":"https://lists.debian.org/debian-lts-announce/2023/12/msg00019.html","reference_id":"msg00019.html","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:P/A:Y/T:P/P:M/B:A/M:M/D:T/2024-10-08T14:19:55Z/"}],"url":"https://lists.debian.org/debian-lts-announce/2023/12/msg00019.html"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/161070?format=json","purl":"pkg:apk/alpine/asterisk@18.20.2-r0?arch=aarch64&distroversion=v3.17&reponame=ma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vulnerabilities have been discovered in Asterisk, the worst of which can lead to privilege escalation.","references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2023-37457","reference_id":"","reference_type":"","scores":[{"value":"0.00074","scoring_system":"epss","scoring_elements":"0.22362","published_at":"2026-06-11T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2023-37457"},{"reference_url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-37457","reference_id":"","reference_type":"","scores":[],"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-37457"},{"reference_url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-38703","reference_id":"","reference_type":"","scores":[],"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-38703"},{"reference_url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-49294","reference_id":"","reference_type":"","scores":[],"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-49294"},{"reference_url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-49786","reference_id":"","reference_type":"","scores":[],"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-49786"},{"reference_url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1059303","reference_id":"1059303","reference_type":"","scores":[],"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1059303"},{"reference_url":"https://security.gentoo.org/glsa/202412-03","reference_id":"GLSA-202412-03","reference_type":"","scores":[],"url":"https://security.gentoo.org/glsa/202412-03"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/161070?format=json","purl":"pkg:apk/alpine/asterisk@18.20.2-r0?arch=aarch64&distroversion=v3.17&reponame=main","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:apk/alpine/asterisk@18.20.2-r0%3Farch=aarch64&distroversion=v3.17&reponame=main"}],"aliases":["CVE-2023-37457"],"risk_score":null,"exploitability":null,"weighted_severity":null,"resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-xtjr-uufd-wqc8"}],"risk_score":null,"resource_url":"http://public2.vulnerablecode.io/packages/pkg:apk/alpine/asterisk@18.20.2-r0%3Farch=aarch64&distroversion=v3.17&reponame=main"}