{"id":"CVE-2026-88386","aliases":["AZL-106800","DEBIAN-CVE-2026-88386","EUVD-2026-86472","GHSA-x44m-83p2-j4h6","OESA-2026-4561","OESA-2026-4562","OESA-2026-4563","OESA-2026-4564","UBUNTU-CVE-2026-88386","openSUSE-SU-2026:12142-1"],"status":"published","title":"libsndfile 1.2.2 contains a misaligned memory access issue in psf_binheader_readf() while parsing...","description":"libsndfile 1.2.2 contains a misaligned memory access issue in psf_binheader_readf() while parsing WAV fmt chunks. A specially crafted WAV file can cause the function to cast an unaligned destination address to unsigned int * and perform a 4-byte store. This results in undefined behavior leading to denial of service.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-12","score":0.00157,"percentile":0.04887,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-122"],"published":"2026-09-24T00:00:00Z","modified":"2026-11-07T14:16:49Z","fixes":[{"ecosystem":"Azure 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Linux:3","package":"libsndfile","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.2-7"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"libsndfile","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.0-1","1.2.0-1+deb12u1","1.2.2-1","1.2.2-1+hurd.1","1.2.2-1+hurd.2","1.2.2-1+hurd.3","1.2.2-2","1.2.2-3","1.2.2-4"]},{"source":"osv","ecosystem":"Debian:13","package":"libsndfile","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.2-2","1.2.2-2+deb13u1","1.2.2-3","1.2.2-4"]},{"source":"osv","ecosystem":"Debian:14","package":"libsndfile","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.2-2","1.2.2-3","1.2.2-4"]},{"source":"osv","ecosystem":"openEuler:24.03-LTS-SP1","package":"libsndfile","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.2-7.oe2403sp1"}]}]},{"source":"osv","ecosystem":"openEuler:24.03-LTS-SP3","package":"libsndfile","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.2-7.oe2403sp3"}]}]},{"source":"osv","ecosystem":"openEuler:24.03-LTS-SP4","package":"libsndfile","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.2-7.oe2403sp4"}]}]},{"source":"osv","ecosystem":"openEuler:22.03-LTS-SP4","package":"libsndfile","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.31-7.oe2203sp4"}]}]},{"source":"osv","ecosystem":"Ubuntu:Pro:14.04:LTS","package":"libsndfile","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.25-7ubuntu1","1.0.25-7ubuntu2","1.0.25-7ubuntu2.1","1.0.25-7ubuntu2.2","1.0.25-7ubuntu2.2+esm1","1.0.25-7ubuntu2.2+esm2","1.0.25-7ubuntu2.2+esm3","1.0.25-7ubuntu2.2+esm4"]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"libsndfile","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.25-9.1","1.0.25-10","1.0.25-10ubuntu0.16.04.1","1.0.25-10ubuntu0.16.04.2","1.0.25-10ubuntu0.16.04.3","1.0.25-10ubuntu0.16.04.3+esm1","1.0.25-10ubuntu0.16.04.3+esm2","1.0.25-10ubuntu0.16.04.3+esm3","1.0.25-10ubuntu0.16.04.3+esm4"]},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"libsndfile","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.28-4","1.0.28-4ubuntu0.18.04.1","1.0.28-4ubuntu0.18.04.2","1.0.28-4ubuntu0.18.04.2+esm1","1.0.28-4ubuntu0.18.04.2+esm2"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"libsndfile","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.28-6","1.0.28-7","1.0.28-7ubuntu0.1","1.0.28-7ubuntu0.2","1.0.28-7ubuntu0.3"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"libsndfile","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.31-2","1.0.31-2build1","1.0.31-2ubuntu0.1","1.0.31-2ubuntu0.2"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"libsndfile","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.2-1","1.2.2-1ubuntu2","1.2.2-1ubuntu3","1.2.2-1ubuntu4","1.2.2-1ubuntu5","1.2.2-1ubuntu5.24.04.1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"libsndfile","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.2-4"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"libsndfile","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.2-3","1.2.2-4"]},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"libsndfile","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.2-6.1"}]}]}],"references":[{"url":"https://github.com/libsndfile/libsndfile/issues/1150","tags":["exploit","report"]},{"url":"https://github.com/mhlavink/libsndfileci/commit/474e4d328b1e6240b93ec6ed14efb7c6a44bee57","tags":["fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-88386","tags":["web","advisory"]},{"url":"https://github.com/advisories/GHSA-x44m-83p2-j4h6"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/88xxx/CVE-2026-88386.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-88386","tags":["advisory"]},{"url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-4561","tags":["advisory"]},{"url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-4562","tags":["advisory"]},{"url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-4563","tags":["advisory"]},{"url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-4564","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-88386","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-88386","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2026-88386","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2026-88386","description":"libsndfile 1.2.2 contains a misaligned memory access issue in psf_binheader_readf() while parsing WAV fmt chunks. A specially crafted WAV file can cause the function to cast an unaligned destination address to unsigned int * and perform a 4-byte store. This results in undefined behavior leading to denial of service.","status":"published","published":"2026-09-24T00:00:00Z","modified":"2026-09-25T16:49:52.546Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"adp"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T13:41:53.237769Z"}],"euvd":[{"id":"EUVD-2026-86472","description":"libsndfile 1.2.2 contains a misaligned memory access issue in psf_binheader_readf() while parsing WAV fmt chunks. A specially crafted WAV file can cause the function to cast an unaligned destination address to unsigned int * and perform a 4-byte store. This results in undefined behavior leading to denial of service.","status":"published","published":"2026-09-24T00:00:00Z","modified":"2026-09-25T16:49:52Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T17:27:55.070935Z"}],"ghsa":[{"id":"GHSA-x44m-83p2-j4h6","title":"libsndfile 1.2.2 contains a misaligned memory access issue in psf_binheader_readf() while parsing...","description":"libsndfile 1.2.2 contains a misaligned memory access issue in psf_binheader_readf() while parsing WAV fmt chunks. A specially crafted WAV file can cause the function to cast an unaligned destination address to unsigned int * and perform a 4-byte store. This results in undefined behavior leading to denial of service.","status":"published","published":"2026-09-24T21:32:51Z","modified":"2026-09-25T18:31:21Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T15:12:27.190195Z"}],"nvd":[{"id":"CVE-2026-88386","description":"libsndfile 1.2.2 contains a misaligned memory access issue in psf_binheader_readf() while parsing WAV fmt chunks. A specially crafted WAV file can cause the function to cast an unaligned destination address to unsigned int * and perform a 4-byte store. This results in undefined behavior leading to denial of service.","status":"published","published":"2026-09-24T21:18:57.003Z","modified":"2026-09-25T17:17:17.833Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T14:12:51.388161Z"}],"osv":[{"id":"CVE-2026-88386","description":"libsndfile 1.2.2 contains a misaligned memory access issue in psf_binheader_readf() while parsing WAV fmt chunks. A specially crafted WAV file can cause the function to cast an unaligned destination address to unsigned int * and perform a 4-byte store. This results in undefined behavior leading to denial of service.","status":"published","published":"2026-09-24T00:00:00Z","modified":"2026-10-28T11:19:18.177328417Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:45:19.210277Z"},{"id":"DEBIAN-CVE-2026-88386","description":"libsndfile 1.2.2 contains a misaligned memory access issue in psf_binheader_readf() while parsing WAV fmt chunks. A specially crafted WAV file can cause the function to cast an unaligned destination address to unsigned int * and perform a 4-byte store. This results in undefined behavior leading to denial of service.","status":"published","published":"2026-09-24T21:18:57.003Z","modified":"2026-09-26T09:00:17.288358099Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:46:05.506112Z"},{"id":"OESA-2026-4561","title":"libsndfile security update","description":"Libsndfile is a C library for reading and writing files containing sampled sound such as MS Windows WAV and the Apple/SGI AIFF format through one standard library interface.\r\n\r\nSecurity Fix(es):\n\nlibsndfile 1.2.2 contains a misaligned memory access issue in psf_binheader_readf() while parsing WAV fmt chunks. A specially crafted WAV file can cause the function to cast an unaligned destination address to unsigned int * and perform a 4-byte store. This results in undefined behavior leading to denial of service.(CVE-2026-88386)","status":"published","published":"2026-10-29T09:02:57Z","modified":"2026-10-29T09:15:35.049969384Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:52:47.981622Z"},{"id":"OESA-2026-4562","title":"libsndfile security update","description":"Libsndfile is a C library for reading and writing files containing sampled sound such as MS Windows WAV and the Apple/SGI AIFF format through one standard library interface.\r\n\r\nSecurity Fix(es):\n\nlibsndfile 1.2.2 contains a misaligned memory access issue in psf_binheader_readf() while parsing WAV fmt chunks. A specially crafted WAV file can cause the function to cast an unaligned destination address to unsigned int * and perform a 4-byte store. This results in undefined behavior leading to denial of service.(CVE-2026-88386)","status":"published","published":"2026-10-29T09:02:58Z","modified":"2026-10-29T09:15:31.099451876Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:52:47.981622Z"},{"id":"OESA-2026-4563","title":"libsndfile security update","description":"Libsndfile is a C library for reading and writing files containing sampled sound such as MS Windows WAV and the Apple/SGI AIFF format through one standard library interface.\r\n\r\nSecurity Fix(es):\n\nlibsndfile 1.2.2 contains a misaligned memory access issue in psf_binheader_readf() while parsing WAV fmt chunks. A specially crafted WAV file can cause the function to cast an unaligned destination address to unsigned int * and perform a 4-byte store. This results in undefined behavior leading to denial of service.(CVE-2026-88386)","status":"published","published":"2026-10-29T09:02:58Z","modified":"2026-10-29T09:15:35.050928965Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:52:47.981622Z"},{"id":"OESA-2026-4564","title":"libsndfile security update","description":"Libsndfile is a C library for reading and writing files containing sampled sound such as MS Windows WAV and the Apple/SGI AIFF format through one standard library interface.\r\n\r\nSecurity Fix(es):\n\nlibsndfile 1.2.2 contains a misaligned memory access issue in psf_binheader_readf() while parsing WAV fmt chunks. A specially crafted WAV file can cause the function to cast an unaligned destination address to unsigned int * and perform a 4-byte store. This results in undefined behavior leading to denial of service.(CVE-2026-88386)","status":"published","published":"2026-10-29T09:02:59Z","modified":"2026-10-29T09:15:35.998178801Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:52:47.981622Z"},{"id":"UBUNTU-CVE-2026-88386","description":"libsndfile 1.2.2 contains a misaligned memory access issue in psf_binheader_readf() while parsing WAV fmt chunks. A specially crafted WAV file can cause the function to cast an unaligned destination address to unsigned int * and perform a 4-byte store. This results in undefined behavior leading to denial of service.","status":"published","published":"2026-09-24T21:18:00Z","modified":"2026-10-22T23:20:52.963047361Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T16:57:24.828975Z"},{"id":"AZL-106800","title":"CVE-2026-88386 affecting package libsndfile for versions less than 1.2.2-7","description":"libsndfile 1.2.2 contains a misaligned memory access issue in psf_binheader_readf() while parsing WAV fmt chunks. A specially crafted WAV file can cause the function to cast an unaligned destination address to unsigned int * and perform a 4-byte store. This results in undefined behavior leading to denial of service.","status":"published","published":"2026-09-24T21:18:57Z","modified":"2026-11-07T14:16:49.256928152Z","updated_at":"2026-11-07T14:48:11.583685Z"},{"id":"openSUSE-SU-2026:12142-1","title":"libsndfile-devel-1.2.2-6.1 on GA media","description":"These are all security issues fixed in the libsndfile-devel-1.2.2-6.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-10-15T00:00:00Z","modified":"2026-10-16T17:23:14.204801621Z","updated_at":"2026-11-02T16:58:40.245664Z"}]}}