{"id":"CVE-2021-21417","state":"PUBLISHED","title":"Use after free in fluidsynth","description":"fluidsynth is a software synthesizer based on the SoundFont 2 specifications. A use after free violation was discovered in fluidsynth, that can be triggered when loading an invalid SoundFont file.","publishedAt":"2021-04-29T17:10:15.000Z","updatedAt":"2024-08-03T18:09:16.083Z","severity":{"score":7.2,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["FluidSynth fluidsynth"],"affected":[{"vendor":"FluidSynth","product":"fluidsynth","versions":[{"version":"< 2.1.8","status":"affected"}]}],"references":["https://github.com/FluidSynth/fluidsynth/issues/808","https://github.com/FluidSynth/fluidsynth/pull/810","https://github.com/FluidSynth/fluidsynth/security/advisories/GHSA-6fcq-pxhc-jxc9","https://lists.debian.org/debian-lts-announce/2021/06/msg00027.html"],"weaknesses":["CWE-416"],"ingestedAt":"2026-10-29T19:47:59.168Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/21xxx/CVE-2021-21417.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-21417","state":"PUBLISHED","datePublished":"2021-04-29T17:10:15.000Z","dateUpdated":"2024-08-03T18:09:16.083Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2020-12-22T00:00:00.000Z"},"containers":{"cna":{"title":"Use after free in fluidsynth","descriptions":[{"lang":"en","value":"fluidsynth is a software synthesizer based on the SoundFont 2 specifications. A use after free violation was discovered in fluidsynth, that can be triggered when loading an invalid SoundFont file."}],"affected":[{"vendor":"FluidSynth","product":"fluidsynth","versions":[{"version":"< 2.1.8","status":"affected"}]}],"references":[{"url":"https://github.com/FluidSynth/fluidsynth/issues/808","tags":["x_refsource_MISC"]},{"url":"https://github.com/FluidSynth/fluidsynth/pull/810","tags":["x_refsource_MISC"]},{"url":"https://github.com/FluidSynth/fluidsynth/security/advisories/GHSA-6fcq-pxhc-jxc9","tags":["x_refsource_CONFIRM"]},{"url":"https://lists.debian.org/debian-lts-announce/2021/06/msg00027.html","name":"[debian-lts-announce] 20210629 [SECURITY] [DLA 2697-1] fluidsynth security update","tags":["mailing-list","x_refsource_MLIST"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"LOCAL","availabilityImpact":"NONE","baseScore":7.2,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-416","description":"{\"CWE-416\":\"Use After Free\"}","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","dateUpdated":"2021-07-13T15:13:13.000Z","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa"},"source":{"advisory":"GHSA-6fcq-pxhc-jxc9","discovery":"UNKNOWN"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"security-advisories@github.com","ID":"CVE-2021-21417","STATE":"PUBLIC","TITLE":"Use after free in fluidsynth"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"fluidsynth","version":{"version_data":[{"version_value":"< 2.1.8"}]}}]},"vendor_name":"FluidSynth"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"fluidsynth is a software synthesizer based on the SoundFont 2 specifications. A use after free violation was discovered in fluidsynth, that can be triggered when loading an invalid SoundFont file."}]},"impact":{"cvss":{"attackComplexity":"HIGH","attackVector":"LOCAL","availabilityImpact":"NONE","baseScore":7.2,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N","version":"3.1"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"{\"CWE-416\":\"Use After Free\"}"}]}]},"references":{"reference_data":[{"name":"https://github.com/FluidSynth/fluidsynth/issues/808","refsource":"MISC","url":"https://github.com/FluidSynth/fluidsynth/issues/808"},{"name":"https://github.com/FluidSynth/fluidsynth/pull/810","refsource":"MISC","url":"https://github.com/FluidSynth/fluidsynth/pull/810"},{"name":"https://github.com/FluidSynth/fluidsynth/security/advisories/GHSA-6fcq-pxhc-jxc9","refsource":"CONFIRM","url":"https://github.com/FluidSynth/fluidsynth/security/advisories/GHSA-6fcq-pxhc-jxc9"},{"name":"[debian-lts-announce] 20210629 [SECURITY] [DLA 2697-1] fluidsynth security update","refsource":"MLIST","url":"https://lists.debian.org/debian-lts-announce/2021/06/msg00027.html"}]},"source":{"advisory":"GHSA-6fcq-pxhc-jxc9","discovery":"UNKNOWN"}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://github.com/FluidSynth/fluidsynth/issues/808","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://github.com/FluidSynth/fluidsynth/pull/810","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://github.com/FluidSynth/fluidsynth/security/advisories/GHSA-6fcq-pxhc-jxc9","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://lists.debian.org/debian-lts-announce/2021/06/msg00027.html","name":"[debian-lts-announce] 20210629 [SECURITY] [DLA 2697-1] fluidsynth security update","tags":["mailing-list","x_refsource_MLIST","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-03T18:09:16.083Z"}}]}}}