{"id":"CVE-2026-125198","state":"PUBLISHED","title":"FFmpeg through 9.0.2 Memory Leak via MediaCodec JNI setBuffer","description":"FFmpeg through 9.0.2 contains a memory leak vulnerability in mediaformat_jni_setBuffer() in libavcodec/mediacodec_wrapper.c that never frees buffers wrapped with NewDirectByteBuffer(). Attackers can supply crafted media files with large extradata, leaking native memory on each MediaCodec decoder configuration in Android applications and causing resource exhaustion.","publishedAt":"2026-11-09T19:11:18.674Z","updatedAt":"2026-11-09T19:11:18.674Z","severity":{"score":2,"label":"Low","version":"4.0","vector":"CVSS:4.0/AV:L/AC:H/AT:P/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","source":"VulnCheck"},"assigner":"VulnCheck","products":["FFmpeg FFmpeg"],"affected":[{"vendor":"FFmpeg","product":"FFmpeg","packageURL":"pkg:github/ffmpeg/ffmpeg","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"9.0.2","versionType":"semver"}],"repo":"https://code.ffmpeg.org/FFmpeg/FFmpeg"}],"references":["https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/22550","https://github.com/FFmpeg/FFmpeg/commit/e5d295b3cd467fc713300e208ba2dacc7ff603a0","https://github.com/FFmpeg/FFmpeg/blob/n9.0.2/libavcodec/mediacodec_wrapper.c#L1134","https://github.com/FFmpeg/FFmpeg","https://www.vulncheck.com/advisories/ffmpeg-through-9.0.2-memory-leak-via-mediacodec-jni-setbuffer"],"weaknesses":["CWE-401"],"ingestedAt":"2026-11-09T19:14:06.399Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/125xxx/CVE-2026-125198.json","commit":"61d6df80db1b12b1399aa01bc455626e606d2471","baselineCommit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-125198","state":"PUBLISHED","datePublished":"2026-11-09T19:11:18.674Z","dateUpdated":"2026-11-09T19:11:18.674Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-11-09T18:15:11.265Z"},"containers":{"cna":{"title":"FFmpeg through 9.0.2 Memory Leak via MediaCodec JNI setBuffer","descriptions":[{"lang":"en","value":"FFmpeg through 9.0.2 contains a memory leak vulnerability in mediaformat_jni_setBuffer() in libavcodec/mediacodec_wrapper.c that never frees buffers wrapped with NewDirectByteBuffer(). Attackers can supply crafted media files with large extradata, leaking native memory on each MediaCodec decoder configuration in Android applications and causing resource exhaustion."}],"affected":[{"vendor":"FFmpeg","product":"FFmpeg","packageURL":"pkg:github/ffmpeg/ffmpeg","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"9.0.2","versionType":"semver"}],"repo":"https://code.ffmpeg.org/FFmpeg/FFmpeg"}],"references":[{"url":"https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/22550","tags":["issue-tracking"]},{"url":"https://github.com/FFmpeg/FFmpeg/commit/e5d295b3cd467fc713300e208ba2dacc7ff603a0","tags":["patch"],"name":"Patch Commit"},{"url":"https://github.com/FFmpeg/FFmpeg/blob/n9.0.2/libavcodec/mediacodec_wrapper.c#L1134","tags":["technical-description"]},{"url":"https://github.com/FFmpeg/FFmpeg","tags":["product"]},{"url":"https://www.vulncheck.com/advisories/ffmpeg-through-9.0.2-memory-leak-via-mediacodec-jni-setbuffer","name":"VulnCheck Advisory: FFmpeg through 9.0.2 Memory Leak via MediaCodec JNI setBuffer","tags":["third-party-advisory"]}],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","vectorString":"CVSS:4.0/AV:L/AC:H/AT:P/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","attackVector":"LOCAL","attackComplexity":"HIGH","attackRequirements":"PRESENT","privilegesRequired":"NONE","userInteraction":"PASSIVE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"LOW","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":2,"baseSeverity":"LOW"}},{"format":"CVSS","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L","attackVector":"LOCAL","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"LOW","baseScore":2.5,"baseSeverity":"LOW"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-401","lang":"en","description":"Missing Release of Memory after Effective Lifetime","type":"CWE"}]}],"providerMetadata":{"shortName":"VulnCheck","orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateUpdated":"2026-11-09T19:11:18.674Z"},"datePublic":"2026-03-19T00:00:00.000Z","cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:ffmpeg:ffmpeg:*:*:*:*:*:*:*:*","versionEndIncluding":"9.0.2"}]}]}],"credits":[{"lang":"en","value":"Joshua Rogers (AISLE Research)","type":"finder"},{"lang":"en","value":"罗乾林","type":"remediation developer"}],"x_generator":{"engine":"vulncheck-endgame"}}}}}