CVE-2022-21723 (GCVE-0-2022-21723)

Vulnerability from cvelistv5 – Published: 2022-01-27 00:00 – Updated: 2025-11-04 16:09
VLAI
Title
Out-of-bounds read in multipart parsing in PJSIP
Summary
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. In versions 2.11.1 and prior, parsing an incoming SIP message that contains a malformed multipart can potentially cause out-of-bound read access. This issue affects all PJSIP users that accept SIP multipart. The patch is available as commit in the `master` branch. There are no known workarounds.
Severity
9.1 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-23 15:57 UTC
CWE
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 7634 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
pjsip pjproject Affected: <= 2.11.1
guessed Create a notification for this product.
Show details on NVD website
To clipboard 

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          {
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            "url": "https://lists.debian.org/debian-lts-announce/2024/09/msg00030.html"
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            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory"
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            "url": "https://security.gentoo.org/glsa/202210-37"
          },
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            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://www.debian.org/security/2022/dsa-5285"
          }
        ],
        "sourceIdentifier": "security-advisories@github.com",
        "vulnStatus": "Modified",
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          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-125"
              }
            ],
            "source": "security-advisories@github.com",
            "type": "Secondary"
          },
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                "value": "CWE-125"
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            ],
            "source": "nvd@nist.gov",
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        ]
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      "current_release_date": "2026-06-26T16:15:08+00:00",
      "cve": "CVE-2022-21723",
      "id": "CVE-2022-21723",
      "initial_release_date": "2022-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "pjsip: malformed SIP packets may cause out-of-bounds read access",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-21723.json",
      "version": "3"
    },
    "vulnrichment": {
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        "adp": [
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              "dateUpdated": "2025-11-04T16:09:30.947Z",
              "orgId": "af854a3a-2127-422b-91ae-364da2661108",
              "shortName": "CVE"
            },
            "references": [
              {
                "tags": [
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                ],
                "url": "https://github.com/pjsip/pjproject/security/advisories/GHSA-7fw8-54cv-r7pm"
              },
              {
                "tags": [
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                ],
                "url": "https://github.com/pjsip/pjproject/commit/077b465c33f0aec05a49cd2ca456f9a1b112e896"
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              {
                "name": "20220304 AST-2022-006: pjproject: unconstrained malformed multipart SIP message",
                "tags": [
                  "mailing-list",
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                ],
                "url": "http://seclists.org/fulldisclosure/2022/Mar/2"
              },
              {
                "tags": [
                  "x_transferred"
                ],
                "url": "http://packetstormsecurity.com/files/166227/Asterisk-Project-Security-Advisory-AST-2022-006.html"
              },
              {
                "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",
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                ],
                "url": "https://security.gentoo.org/glsa/202210-37"
              },
              {
                "name": "[debian-lts-announce] 20221117 [SECURITY] [DLA 3194-1] asterisk security update",
                "tags": [
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                  "x_transferred"
                ],
                "url": "https://lists.debian.org/debian-lts-announce/2022/11/msg00021.html"
              },
              {
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              },
              {
                "name": "[debian-lts-announce] 20230829 [SECURITY] [DLA 3549-1] ring security update",
                "tags": [
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                  "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"
              }
            ],
            "title": "CVE Program Container"
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          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2022-21723",
                    "options": [
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                      {
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            "providerMetadata": {
              "dateUpdated": "2025-04-23T15:57:53.419Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
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            "title": "CISA ADP Vulnrichment"
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              "vendor": "pjsip",
              "versions": [
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              "lang": "en",
              "value": "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. In versions 2.11.1 and prior, parsing an incoming SIP message that contains a malformed multipart can potentially cause out-of-bound read access. This issue affects all PJSIP users that accept SIP multipart. The patch is available as commit in the `master` branch. There are no known workarounds."
            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
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                "attackVector": "NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 9.1,
                "baseSeverity": "CRITICAL",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "NONE",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
                "version": "3.1"
              }
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          ],
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                  "cweId": "CWE-125",
                  "description": "CWE-125: Out-of-bounds Read",
                  "lang": "en",
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              ]
            }
          ],
          "providerMetadata": {
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            "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
            "shortName": "GitHub_M"
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            },
            {
              "name": "20220304 AST-2022-006: pjproject: unconstrained malformed multipart SIP message",
              "tags": [
                "mailing-list"
              ],
              "url": "http://seclists.org/fulldisclosure/2022/Mar/2"
            },
            {
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            },
            {
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              "tags": [
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              ],
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            },
            {
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            },
            {
              "name": "[debian-lts-announce] 20221117 [SECURITY] [DLA 3194-1] asterisk security update",
              "tags": [
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              ],
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            },
            {
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            },
            {
              "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"
            }
          ],
          "source": {
            "advisory": "GHSA-7fw8-54cv-r7pm",
            "discovery": "UNKNOWN"
          },
          "title": "Out-of-bounds read in multipart parsing in PJSIP"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "assignerShortName": "GitHub_M",
        "cveId": "CVE-2022-21723",
        "datePublished": "2022-01-27T00:00:00.000Z",
        "dateReserved": "2021-11-16T00:00:00.000Z",
        "dateUpdated": "2025-11-04T16:09:30.947Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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