{"id":"CVE-2022-23547","aliases":["DEBIAN-CVE-2022-23547","DLA-3335-1","DLA-3549-1","DLA-3887-1","DSA-5358-1","EUVD-2022-28565","UBUNTU-CVE-2022-23547","USN-6422-1"],"status":"published","title":"Heap buffer overflow in pjproject when decoding STUN message","description":"PJSIP is a free and open source multimedia communication library written in C language implementing standard based protocols such as SIP, SDP, RTP, STUN, TURN, and ICE. This issue is similar to GHSA-9pfh-r8x4-w26w. Possible buffer overread when parsing a certain STUN message. The vulnerability affects applications that uses STUN including PJNATH and PJSUA-LIB. The patch is available as commit in the master branch.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.01026,"percentile":0.63883,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-122","CWE-125"],"published":"2022-12-23T14:00:22Z","modified":"2026-11-03T08:01:03Z","fixes":[{"ecosystem":"Debian:14","package":"asterisk","fixed_in":["1:20.4.0~dfsg+~cs6.13.40431414-1"],"sources":["osv"]},{"ecosystem":"Debian:12","package":"ring","fixed_in":["20230206.0~ds1-1"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:18.04:LTS","package":"ring","fixed_in":["20180228.1.503da2b~ds1-1ubuntu0.1~esm1"],"sources":["osv"]},{"ecosystem":"Ubuntu:20.04:LTS","package":"ring","fixed_in":["20190215.1.f152c98~ds1-1+deb10u2build0.20.04.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:14","package":"asterisk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:20.4.0~dfsg+~cs6.13.40431414-1"}]}],"versions":["0.1.11-3","0.1.11-3woody1","1:1.0.5-2","1:1.0.5-4","1:1.0.6-1","1:1.0.6-2","1:1.0.7-1","1:1.0.7.dfsg.1-1","1:1.0.7.dfsg.1-2","1:1.0.7.dfsg.1-2sarge1","1:1.0.7.dfsg.1-2sarge2","1:1.0.7.dfsg.1-2sarge3","1:1.0.7.dfsg.1-2sarge4","1:1.0.7.dfsg.1-2sarge5","1:1.0.7.dfsg.1-2sarge6","1:1.0.9.dfsg-1","1:1.0.9.dfsg-3","1:1.0.9.dfsg-4","1:1.0.9.dfsg-5","1:1.0.9.dfsg-6","1:1.2.0-beta1.dfsg-1","1:1.2.0-beta2.dfsg-1","1:1.2.0-beta2.dfsg-2","1:1.2.0-beta2.dfsg-3","1:1.2.0-rc1.dfsg-1","1:1.2.0-rc2.dfsg-1","1:1.2.0.dfsg-1","1:1.2.0.dfsg-2","1:1.2.0.dfsg-3","1:1.2.0.dfsg-4","1:1.2.0.dfsg-5","1:1.2.0.dfsg-6","1:1.2.1.dfsg-1","1:1.2.1.dfsg-2","1:1.2.1.dfsg-3","1:1.2.10.dfsg-1","1:1.2.10.dfsg-1bpo1","1:1.2.10.dfsg-2","1:1.2.10.dfsg-3","1:1.2.11.dfsg-1","1:1.2.12.1.dfsg-1","1:1.2.13~dfsg-1","1:1.2.13~dfsg-2","1:1.2.13~dfsg-2etch1","1:1.2.13~dfsg-2etch2","1:1.2.13~dfsg-2etch3","1:1.2.13~dfsg-2etch4","1:1.2.14~dfsg-1","1:1.2.14~dfsg-2","1:1.2.14~dfsg-3","1:1.2.14~dfsg-4","1:1.2.15~dfsg-1","1:1.2.16~dfsg-1","1:1.2.17~dfsg-1","1:1.2.4.dfsg-1","1:1.2.4.dfsg-2","1:1.2.4.dfsg-3","1:1.2.4.dfsg-4","1:1.2.4.dfsg-5","1:1.2.4.dfsg-6","1:1.2.4.dfsg-6+b1","1:1.2.4.dfsg-7","1:1.2.7.1.dfsg-1","1:1.2.7.1.dfsg-2","1:1.2.7.1.dfsg-3","1:1.2.9.1.dfsg-1","1:1.4.10~dfsg-1","1:1.4.11~dfsg-1","1:1.4.11~dfsg-2","1:1.4.11~dfsg-3","1:1.4.11~dfsg-4","1:1.4.13~dfsg-1","1:1.4.15~dfsg-1","1:1.4.16.2~dfsg-1","1:1.4.16.2~dfsg-2","1:1.4.17~dfsg-1","1:1.4.17~dfsg-2","1:1.4.18.1~dfsg-1","1:1.4.18~dfsg-1","1:1.4.19.1~dfsg-1","1:1.4.20~dfsg-1","1:1.4.21.1~dfsg-1","1:1.4.21.2~dfsg-1","1:1.4.21.2~dfsg-2","1:1.4.21.2~dfsg-3","1:1.4.21.2~dfsg-3+lenny1","1:1.4.21.2~dfsg-3+lenny2","1:1.4.21.2~dfsg-3+lenny2.1","1:1.4.21.2~dfsg-3+lenny3","1:1.4.21.2~dfsg-3+lenny5","1:1.4.21.2~dfsg-3+lenny6","1:1.4.21.2~dfsg-3.1","1:1.4.2~dfsg-1","1:1.4.2~dfsg-2","1:1.4.2~dfsg-3","1:1.4.2~dfsg-4","1:1.4.2~dfsg-5","1:1.4.3~dfsg-1","1:1.4.4~dfsg-1","1:1.4.4~dfsg-2","1:1.4.4~dfsg-3","1:1.4.5~dfsg-1","1:1.4.6~dfsg-1","1:1.4.8~dfsg-1","1:1.4.8~dfsg-2","1:1.4.9~dfsg-1","1:1.6.1.0~dfsg-1","1:1.6.1.0~dfsg~rc3-1","1:1.6.2.0-1","1:1.6.2.0~dfsg~beta3-1","1:1.6.2.0~dfsg~rc1-1","1:1.6.2.0~rc3-1","1:1.6.2.0~rc3-2","1:1.6.2.0~rc6-1","1:1.6.2.0~rc7-1","1:1.6.2.2-1","1:1.6.2.6-1","1:1.6.2.7-1","1:1.6.2.9-1","1:1.6.2.9-1~bpo50+1","1:1.6.2.9-1~bpo50+2","1:1.6.2.9-1~bpo50+3","1:1.6.2.9-2","1:1.6.2.9-2+squeeze1","1:1.6.2.9-2+squeeze10","1:1.6.2.9-2+squeeze11","1:1.6.2.9-2+squeeze12","1:1.6.2.9-2+squeeze2","1:1.6.2.9-2+squeeze3","1:1.6.2.9-2+squeeze4","1:1.6.2.9-2+squeeze5","1:1.6.2.9-2+squeeze6","1:1.6.2.9-2+squeeze7","1:1.6.2.9-2+squeeze8","1:1.6.2.9-2+squeeze9","1:1.8.10.0~dfsg-1","1:1.8.10.1~dfsg-1","1:1.8.11.1~dfsg-1","1:1.8.13.0~dfsg-1","1:1.8.13.0~dfsg-1~bpo60+1","1:1.8.13.1~dfsg-1","1:1.8.13.1~dfsg-1+powerpcspe1","1:1.8.13.1~dfsg-1~bpo60+1","1:1.8.13.1~dfsg-2","1:1.8.13.1~dfsg-3","1:1.8.3.3-1","1:1.8.4-1","1:1.8.4.2-1","1:1.8.4.3-1","1:1.8.4.4~dfsg-1","1:1.8.4.4~dfsg-2","1:1.8.7.1~dfsg-1","1:1.8.7.1~dfsg-2","1:1.8.7.1~dfsg-3","1:1.8.8.0~dfsg-1","1:1.8.8.2~dfsg-1","1:11.10.0~dfsg-1","1:11.10.0~dfsg-1~bpo70+1","1:11.10.2~dfsg-1","1:11.10.2~dfsg-1~bpo70+1","1:11.11.0~dfsg-1","1:11.11.0~dfsg-1~bpo70+1","1:11.11.0~dfsg-2","1:11.12.0~dfsg-1","1:11.12.0~dfsg-1~bpo70+1","1:11.12.1~dfsg-1","1:11.13.0~dfsg-1","1:11.13.0~dfsg-1~bpo70+1","1:11.13.1~dfsg-1","1:11.13.1~dfsg-2","1:11.13.1~dfsg-2~bpo70+1","1:11.5.1~dfsg-1","1:11.5.1~dfsg-2","1:11.5.1~dfsg1-1","1:11.5.1~dfsg1-1~bpo70+1","1:11.6.0~dfsg-1","1:11.6.0~dfsg-2","1:11.6.0~dfsg-3","1:11.7.0~dfsg-1","1:11.7.0~dfsg-1+e1","1:11.7.0~dfsg-1~bpo70+1","1:11.8.0~dfsg-1","1:11.8.0~dfsg-2","1:11.8.1~dfsg-1","1:11.8.1~dfsg-1~bpo70+1","1:11.9.0~dfsg-1","1:11.9.0~dfsg-2","1:11.9.0~dfsg-2~bpo70+1","1:13.0.0~dfsg-1","1:13.0.0~dfsg-2","1:13.1.0~dfsg-1","1:13.1.0~dfsg-1.1","1:13.10.0~dfsg-1","1:13.11.2~dfsg-1","1:13.12.1~dfsg-1","1:13.12.2~dfsg-1","1:13.12.2~dfsg-2","1:13.13.1~dfsg-1","1:13.13.1~dfsg-2","1: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Party Advisory","advisory","report"]},{"url":"https://github.com/pjsip/pjproject/security/advisories/GHSA-9pfh-r8x4-w26w","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","advisory","report"]},{"url":"https://github.com/pjsip/pjproject/commit/bc4812d31a67d5e2f973fbfaf950d6118226cf36","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","report"]},{"url":"https://lists.debian.org/debian-lts-announce/2023/08/msg00038.html","tags":["x_transferred","web"]},{"url":"https://lists.debian.org/debian-lts-announce/2024/09/msg00030.html","tags":["web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/23xxx/CVE-2022-23547.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-23547","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2022-23547","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2022-23547","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-6422-1","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2022-23547","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2021-37706","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2021-43299","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2021-43300","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2021-43301","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2021-43302","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2021-43303","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2021-43804","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2021-43845","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2022-21722","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2022-21723","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2022-23537","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2022-23608","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2022-24754","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2022-24763","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2022-24764","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2022-24793","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2022-31031","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2022-39244","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2023-27585","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2022-23547","title":"Heap buffer overflow in pjproject when decoding STUN message","description":"PJSIP is a free and open source multimedia communication library written in C language implementing standard based protocols such as SIP, SDP, RTP, STUN, TURN, and ICE. This issue is similar to GHSA-9pfh-r8x4-w26w. Possible buffer overread when parsing a certain STUN message. The vulnerability affects applications that uses STUN including PJNATH and PJSUA-LIB. The patch is available as commit in the master branch.","status":"published","published":"2022-12-23T14:00:22.817Z","modified":"2025-11-04T16:09:33.854Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T14:34:29.478363Z"}],"euvd":[{"id":"EUVD-2022-28565","description":"PJSIP is a free and open source multimedia communication library written in C language implementing standard based protocols such as SIP, SDP, RTP, STUN, TURN, and ICE. This issue is similar to GHSA-9pfh-r8x4-w26w. Possible buffer overread when parsing a certain STUN message. The vulnerability affects applications that uses STUN including PJNATH and PJSUA-LIB. The patch is available as commit in the master branch.","status":"published","published":"2022-12-23T14:00:22Z","modified":"2025-11-04T16:09:33Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T19:49:29.391161Z"}],"nvd":[{"id":"CVE-2022-23547","description":"PJSIP is a free and open source multimedia communication library written in C language implementing standard based protocols such as SIP, SDP, RTP, STUN, TURN, and ICE. This issue is similar to GHSA-9pfh-r8x4-w26w. Possible buffer overread when parsing a certain STUN message. The vulnerability affects applications that uses STUN including PJNATH and PJSUA-LIB. The patch is available as commit in the master branch.","status":"published","published":"2022-12-23T15:15:14.917Z","modified":"2026-06-17T04:30:20Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:H","level":"medium","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"}],"cwes":["CWE-122","CWE-125"],"updated_at":"2026-11-02T14:07:34.388163Z"}],"osv":[{"id":"CVE-2022-23547","title":"Heap buffer overflow in pjproject when decoding STUN message","description":"PJSIP is a free and open source multimedia communication library written in C language implementing standard based protocols such as SIP, SDP, RTP, STUN, TURN, and ICE. This issue is similar to GHSA-9pfh-r8x4-w26w. Possible buffer overread when parsing a certain STUN message. The vulnerability affects applications that uses STUN including PJNATH and PJSUA-LIB. The patch is available as commit in the master branch.","status":"published","published":"2022-12-23T14:00:22.817Z","modified":"2026-10-28T10:25:26.225797066Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:H","level":"medium"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T15:44:24.061177Z"},{"id":"DEBIAN-CVE-2022-23547","description":"PJSIP is a free and open source multimedia communication library written in C language implementing standard based protocols such as SIP, SDP, RTP, STUN, TURN, and ICE. This issue is similar to GHSA-9pfh-r8x4-w26w. Possible buffer overread when parsing a certain STUN message. The vulnerability affects applications that uses STUN including PJNATH and PJSUA-LIB. The patch is available as commit in the master branch.","status":"published","published":"2022-12-23T15:15:14.917Z","modified":"2026-11-03T08:01:03.576483653Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-03T08:25:01.007408Z"},{"id":"UBUNTU-CVE-2022-23547","description":"PJSIP is a free and open source multimedia communication library written in C language implementing standard based protocols such as SIP, SDP, RTP, STUN, TURN, and ICE. This issue is similar to GHSA-9pfh-r8x4-w26w. Possible buffer overread when parsing a certain STUN message. The vulnerability affects applications that uses STUN including PJNATH and PJSUA-LIB. The patch is available as commit in the master branch.","status":"published","published":"2022-12-23T15:15:00Z","modified":"2026-04-22T13:18:26.317961Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:H","level":"medium"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T16:53:53.13624Z"},{"id":"DLA-3335-1","title":"asterisk - security update","status":"published","published":"2023-02-22T00:00:00Z","modified":"2026-03-09T01:20:42.326585Z","updated_at":"2026-11-02T15:46:11.734021Z"},{"id":"DLA-3549-1","title":"ring - security update","status":"published","published":"2023-08-29T00:00:00Z","modified":"2026-03-09T01:19:27.113198Z","updated_at":"2026-11-02T15:46:11.734021Z"},{"id":"DLA-3887-1","title":"ring - security update","status":"published","published":"2024-09-14T00:00:00Z","modified":"2026-03-09T01:22:59.027543Z","updated_at":"2026-11-02T15:46:12.203458Z"},{"id":"DSA-5358-1","title":"asterisk - security update","status":"published","published":"2023-02-23T00:00:00Z","modified":"2026-03-09T02:09:52.25847Z","updated_at":"2026-11-02T15:46:17.543497Z"},{"id":"USN-6422-1","title":"ring vulnerabilities","description":"\nIt was discovered that Ring incorrectly handled certain inputs. If a user or\nan automated system were tricked into opening a specially crafted input file,\na remote attacker could possibly use this issue to execute arbitrary code.\n(CVE-2021-37706)\n\nIt was discovered that Ring incorrectly handled certain inputs. If a user or\nan automated system were tricked into opening a specially crafted input file,\na remote attacker could possibly use this issue to cause a denial of service.\nThis issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. \n(CVE-2021-43299, CVE-2021-43300, CVE-2021-43301, CVE-2021-43302, \nCVE-2021-43303, CVE-2021-43804, CVE-2021-43845, CVE-2022-21723, \nCVE-2022-23537, CVE-2022-23547, CVE-2022-23608, CVE-2022-24754,\nCVE-2022-24763, CVE-2022-24764, CVE-2022-24793, CVE-2022-31031,\nCVE-2022-39244)\n\nIt was discovered that Ring incorrectly handled certain inputs. If a user or\nan automated system were tricked into opening a specially crafted input file,\na remote attacker could possibly use this issue to cause a denial of service.\nThis issue only affected Ubuntu 20.04 LTS. (CVE-2022-21722)\n\nIt was discovered that Ring incorrectly handled certain inputs. If a user or\nan automated system were tricked into opening a specially crafted input file,\na remote attacker could possibly use this issue to cause a denial of service.\n(CVE-2023-27585)\n","status":"published","published":"2023-10-09T15:09:52Z","modified":"2026-04-27T17:02:16.871002419Z","updated_at":"2026-11-02T16:58:17.305935Z"}]}}