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CVE-2026-57197

Full vulnerability record from the local CVENow database.

Description

Asterisk is an open source private branch exchange and telephony toolkit. Prior to Asterisk 20.20.1, 21.12.3, 22.10.1, 23.4.1 and Certified Asterisk 20.7-cert11, 22.8-cert3, an unbounded `memcpy` of `OGG/Speex` packet data in `format_ogg_speex` can cause a heap buffer overflow and crash Asterisk when reading a file containing corrupted Speex audio. The attacker must create the file and make it available to Asterisk either through sufficiently elevated privileges or by convincing an Asterisk administrator to make it available. Asterisk must also be configured to play that file. This issue is fixed in Asterisk 20.20.1, 21.12.3, 22.10.1, 23.4.1 and Certified Asterisk 20.7-cert11, 22.8-cert3.

Severity
HIGH
CVSS score
7.7 (v4.0)
Vulnerability status
Awaiting Analysis
Source identifier
Published
2026-10-27 17:17:01.793000
Last modified
2026-10-28 14:18:37.620000
View original CVE JSON
{
  "id": "CVE-2026-57197",
  "sourceIdentifier": "[email protected]",
  "published": "2026-10-27T17:17:01.793",
  "lastModified": "2026-10-28T14:18:37.620",
  "vulnStatus": "Awaiting Analysis",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Asterisk is an open source private branch exchange and telephony toolkit. Prior to Asterisk 20.20.1, 21.12.3, 22.10.1, 23.4.1 and Certified Asterisk 20.7-cert11, 22.8-cert3, an unbounded `memcpy` of `OGG/Speex` packet data in `format_ogg_speex` can cause a heap buffer overflow and crash Asterisk when reading a file containing corrupted Speex audio. The attacker must create the file and make it available to Asterisk either through sufficiently elevated privileges or by convincing an Asterisk administrator to make it available. Asterisk must also be configured to play that file. This issue is fixed in Asterisk 20.20.1, 21.12.3, 22.10.1, 23.4.1 and Certified Asterisk 20.7-cert11, 22.8-cert3."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "asterisk",
          "product": "asterisk",
          "versions": [
            {
              "version": "< 20.20.1",
              "status": "affected"
            },
            {
              "version": ">= 21.0.0-pre1, < 21.12.3",
              "status": "affected"
            },
            {
              "version": ">= 22.0.0-pre1, < 22.10.1",
              "status": "affected"
            },
            {
              "version": ">= 23.0.0-pre1, < 23.4.1",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "asterisk",
          "product": "certified-asterisk",
          "versions": [
            {
              "version": "< 20.7-cert11",
              "status": "affected"
            },
            {
              "version": ">= 22.8-cert1-pre1, < 22.8-cert3",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV40": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "4.0",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "baseScore": 7.7,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "attackRequirements": "PRESENT",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "vulnConfidentialityImpact": "HIGH",
          "vulnIntegrityImpact": "HIGH",
          "vulnAvailabilityImpact": "HIGH",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "subAvailabilityImpact": "NONE",
          "exploitMaturity": "NOT_DEFINED",
          "confidentialityRequirement": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "availabilityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "valueDensity": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "providerUrgency": "NOT_DEFINED"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-122"
        },
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://github.com/asterisk/asterisk/commit/0a2c1d9e910f7c4dfffa05e328accb8a96990df8",
      "source": "[email protected]"
    },
    {
      "url": "https://github.com/asterisk/asterisk/commit/0e6d761ed83f1671632c91805252767eae85e1a2",
      "source": "[email protected]"
    },
    {
      "url": "https://github.com/asterisk/asterisk/commit/1cf189549994e0898954c814ce5a023cd969f1db",
      "source": "[email protected]"
    },
    {
      "url": "https://github.com/asterisk/asterisk/commit/29026ece6fdd1834bb8f49c013ef163745ff2bbd",
      "source": "[email protected]"
    },
    {
      "url": "https://github.com/asterisk/asterisk/commit/336ebe762bf6dfaf279796700de8ab51f7acd2f3",
      "source": "[email protected]"
    },
    {
      "url": "https://github.com/asterisk/asterisk/commit/ccec146953b5e13043a36663af84e5a50ca633a6",
      "source": "[email protected]"
    },
    {
      "url": "https://github.com/asterisk/asterisk/commit/dbcf38933866f0ddd023bc1814a78d4c750b0809",
      "source": "[email protected]"
    },
    {
      "url": "https://github.com/asterisk/asterisk/releases/tag/20.20.1",
      "source": "[email protected]"
    },
    {
      "url": "https://github.com/asterisk/asterisk/releases/tag/21.12.3",
      "source": "[email protected]"
    },
    {
      "url": "https://github.com/asterisk/asterisk/releases/tag/22.10.1",
      "source": "[email protected]"
    },
    {
      "url": "https://github.com/asterisk/asterisk/releases/tag/23.4.1",
      "source": "[email protected]"
    },
    {
      "url": "https://github.com/asterisk/asterisk/releases/tag/certified-20.7-cert11",
      "source": "[email protected]"
    },
    {
      "url": "https://github.com/asterisk/asterisk/releases/tag/certified-22.8-cert3",
      "source": "[email protected]"
    },
    {
      "url": "https://github.com/asterisk/asterisk/security/advisories/GHSA-8jhw-m2hg-vp3h",
      "source": "[email protected]"
    },
    {
      "url": "https://github.com/asterisk/asterisk/tree/24.0.0-pre1",
      "source": "[email protected]"
    }
  ]
}