{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2021-43845", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "dateUpdated": "2025-11-04T16:09:26.963Z", "dateReserved": "2021-11-16T00:00:00.000Z", "datePublished": "2021-12-27T00:00:00.000Z"}, "containers": {"cna": {"title": "Prevent out-of-bounds read in PJSIP", "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2023-08-30T00:06:25.827Z"}, "descriptions": [{"lang": "en", "value": "PJSIP is a free and open source multimedia communication library. In version 2.11.1 and prior, if incoming RTCP XR message contain block, the data field is not checked against the received packet size, potentially resulting in an out-of-bound read access. This affects all users that use PJMEDIA and RTCP XR. A malicious actor can send a RTCP XR message with an invalid packet size."}], "affected": [{"vendor": "pjsip", "product": "pjproject", "versions": [{"version": "<= 2.11.1", "status": "affected"}]}], "references": [{"url": "https://github.com/pjsip/pjproject/security/advisories/GHSA-r374-qrwv-86hh"}, {"url": "https://github.com/pjsip/pjproject/pull/2924"}, {"url": "https://github.com/pjsip/pjproject/commit/f74c1fc22b760d2a24369aa72c74c4a9ab985859"}, {"name": "[debian-lts-announce] 20220328 [SECURITY] [DLA 2962-1] pjproject security update", "tags": ["mailing-list"], "url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00035.html"}, {"name": "GLSA-202210-37", "tags": ["vendor-advisory"], "url": "https://security.gentoo.org/glsa/202210-37"}, {"name": "[debian-lts-announce] 20221117 [SECURITY] [DLA 3194-1] asterisk security update", "tags": ["mailing-list"], "url": "https://lists.debian.org/debian-lts-announce/2022/11/msg00021.html"}, {"name": "DSA-5285", "tags": ["vendor-advisory"], "url": "https://www.debian.org/security/2022/dsa-5285"}, {"name": "[debian-lts-announce] 20230829 [SECURITY] [DLA 3549-1] ring security update", "tags": ["mailing-list"], "url": "https://lists.debian.org/debian-lts-announce/2023/08/msg00038.html"}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "LOW", "baseScore": 8.2, "baseSeverity": "HIGH"}}], "problemTypes": [{"descriptions": [{"type": "CWE", "lang": "en", "description": "CWE-125: Out-of-bounds Read", "cweId": "CWE-125"}]}], "source": {"advisory": "GHSA-r374-qrwv-86hh", "discovery": "UNKNOWN"}}, "adp": [{"title": "CVE Program Container", "references": [{"url": "https://github.com/pjsip/pjproject/security/advisories/GHSA-r374-qrwv-86hh", "tags": ["x_transferred"]}, {"url": "https://github.com/pjsip/pjproject/pull/2924", "tags": ["x_transferred"]}, {"url": "https://github.com/pjsip/pjproject/commit/f74c1fc22b760d2a24369aa72c74c4a9ab985859", "tags": ["x_transferred"]}, {"name": "[debian-lts-announce] 20220328 [SECURITY] [DLA 2962-1] pjproject security update", "tags": ["mailing-list", "x_transferred"], "url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00035.html"}, {"name": "GLSA-202210-37", "tags": ["vendor-advisory", "x_transferred"], "url": "https://security.gentoo.org/glsa/202210-37"}, {"name": "[debian-lts-announce] 20221117 [SECURITY] [DLA 3194-1] asterisk security update", "tags": ["mailing-list", "x_transferred"], "url": "https://lists.debian.org/debian-lts-announce/2022/11/msg00021.html"}, {"name": "DSA-5285", "tags": ["vendor-advisory", "x_transferred"], "url": "https://www.debian.org/security/2022/dsa-5285"}, {"name": "[debian-lts-announce] 20230829 [SECURITY] [DLA 3549-1] ring security update", "tags": ["mailing-list", "x_transferred"], "url": "https://lists.debian.org/debian-lts-announce/2023/08/msg00038.html"}, {"url": "https://lists.debian.org/debian-lts-announce/2024/09/msg00030.html"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2025-11-04T16:09:26.963Z"}}]}}

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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:teluu:pjsip:*:*:*:*:*:*:*:*", "matchCriteriaId": "6BB0273A-3235-4BC7-A1BE-7D35BABD8617", "versionEndIncluding": "2.11.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252", "vulnerable": true}, {"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73", "vulnerable": true}, {"criteria": "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*", "matchCriteriaId": "FA6FEEC2-9F11-4643-8827-749718254FED", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "PJSIP is a free and open source multimedia communication library. 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