{"id":"CVE-2024-3204","aliases":["AZL-109493","DEBIAN-CVE-2024-3204","EUVD-2024-31796","GHSA-c52r-8hmj-x4qg","UBUNTU-CVE-2024-3204"],"status":"published","title":"c-blosc2 ndlz4x4.c ndlz4_decompress heap-based overflow","description":"A vulnerability has been found in c-blosc2 up to 2.13.2 and classified as critical. Affected by this vulnerability is the function ndlz4_decompress of the file /src/c-blosc2/plugins/codecs/ndlz/ndlz4x4.c. The manipulation leads to heap-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 2.14.3 is able to address this issue. It is recommended to upgrade the affected component. The associated identifier of this vulnerability is VDB-259051.","severity":{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.01275,"percentile":0.70309,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-122"],"published":"2024-04-02T22:00:08Z","modified":"2026-11-05T05:36:30Z","fixes":[{"ecosystem":"Debian:13","package":"c-blosc2","fixed_in":["2.13.1+ds-3"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"c-blosc2","fixed_in":["2.13.1+ds-3"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Azure Linux:3","package":"blosc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"1.21.6-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"c-blosc2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.13.1+ds-3"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"c-blosc2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.13.1+ds-3"}]}]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"c-blosc2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.12.0+ds-1","2.12.0+ds-2","2.13.1+ds-1","2.13.1+ds-1ubuntu1","2.13.1+ds-1.1ubuntu1","2.13.1+ds-1.1ubuntu2"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"c-blosc2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.16.0+ds-1","2.17.1+ds-1","2.17.1+ds-2"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"c-blosc2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.23.0+ds-1","2.23.1+ds-1","2.23.1+ds-2"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"c-blosc2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.17.1+ds-2","2.22.0+ds-1","2.23.0+ds-1"]}],"products":[{"vendor":"blosc","product":"c-blosc2"},{"vendor":"c-blosc2_project","product":"c-blosc2"}],"references":[{"url":"https://vuldb.com/?id.259051","tags":["vdb-entry","technical-description","x_transferred","Third Party Advisory","VDB Entry","advisory","report"]},{"url":"https://vuldb.com/?ctiid.259051","tags":["signature","permissions-required","x_transferred","Permissions Required","VDB Entry","report"]},{"url":"https://vuldb.com/?submit.304557","tags":["third-party-advisory","x_transferred","Exploit","Third Party Advisory","VDB Entry","advisory","report"]},{"url":"https://drive.google.com/drive/folders/1T1k3UeS09m65LjVXExUuZfedNQPWQWCo?usp=sharing","tags":["exploit","x_transferred","Product","evidence","report"]},{"url":"https://github.com/Blosc/c-blosc2/releases/tag/v2.14.3","tags":["patch","x_transferred","Release Notes","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-3204","tags":["web","advisory"]},{"url":"https://github.com/advisories/GHSA-c52r-8hmj-x4qg"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/3xxx/CVE-2024-3204.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2024-3204","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2024-3204","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2024-3204","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2024-3204","title":"c-blosc2 ndlz4x4.c ndlz4_decompress heap-based overflow","description":"A vulnerability has been found in c-blosc2 up to 2.13.2 and classified as critical. Affected by this vulnerability is the function ndlz4_decompress of the file /src/c-blosc2/plugins/codecs/ndlz/ndlz4x4.c. The manipulation leads to heap-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 2.14.3 is able to address this issue. It is recommended to upgrade the affected component. The associated identifier of this vulnerability is VDB-259051.","status":"published","published":"2024-04-02T22:00:08.396Z","modified":"2024-08-01T20:05:08.367Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high","assessor":"cna"},{"version":"3.0","score":7.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high","assessor":"cna"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","assessor":"cna"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T14:34:10.961618Z"}],"euvd":[{"id":"EUVD-2024-31796","description":"A vulnerability has been found in c-blosc2 up to 2.13.2 and classified as critical. Affected by this vulnerability is the function ndlz4_decompress of the file /src/c-blosc2/plugins/codecs/ndlz/ndlz4x4.c. The manipulation leads to heap-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 2.14.3 is able to address this issue. It is recommended to upgrade the affected component. The associated identifier of this vulnerability is VDB-259051.","status":"published","published":"2024-04-02T22:00:08Z","modified":"2024-08-01T20:05:08Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high"}],"updated_at":"2026-11-03T03:50:39.0087Z"}],"ghsa":[{"id":"GHSA-c52r-8hmj-x4qg","title":"A vulnerability has been found in c-blosc2 up to 2.13.2 and classified as critical. Affected by...","description":"A vulnerability has been found in c-blosc2 up to 2.13.2 and classified as critical. Affected by this vulnerability is the function ndlz4_decompress of the file /src/c-blosc2/plugins/codecs/ndlz/ndlz4x4.c. The manipulation leads to heap-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-259051. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.","status":"published","published":"2024-04-03T00:30:55Z","modified":"2024-04-20T05:05:41Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T14:57:13.502248Z"}],"nvd":[{"id":"CVE-2024-3204","description":"A vulnerability has been found in c-blosc2 up to 2.13.2 and classified as critical. Affected by this vulnerability is the function ndlz4_decompress of the file /src/c-blosc2/plugins/codecs/ndlz/ndlz4x4.c. The manipulation leads to heap-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 2.14.3 is able to address this issue. It is recommended to upgrade the affected component. The associated identifier of this vulnerability is VDB-259051.","status":"published","published":"2024-04-02T22:15:11.04Z","modified":"2026-06-17T07:43:31.807Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"secondary"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T14:09:46.373977Z"}],"osv":[{"id":"AZL-109493","title":"CVE-2024-3204 affecting package blosc 1.21.6-1","description":"A vulnerability has been found in c-blosc2 up to 2.13.2 and classified as critical. Affected by this vulnerability is the function ndlz4_decompress of the file /src/c-blosc2/plugins/codecs/ndlz/ndlz4x4.c. The manipulation leads to heap-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 2.14.3 is able to address this issue. It is recommended to upgrade the affected component. The associated identifier of this vulnerability is VDB-259051.","status":"published","published":"2024-04-02T22:15:11Z","modified":"2026-11-05T05:36:30Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-05T16:41:18.42484Z"},{"id":"CVE-2024-3204","title":"c-blosc2 ndlz4x4.c ndlz4_decompress heap-based overflow","description":"A vulnerability has been found in c-blosc2 up to 2.13.2 and classified as critical. Affected by this vulnerability is the function ndlz4_decompress of the file /src/c-blosc2/plugins/codecs/ndlz/ndlz4x4.c. The manipulation leads to heap-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 2.14.3 is able to address this issue. It is recommended to upgrade the affected component. The associated identifier of this vulnerability is VDB-259051.","status":"published","published":"2024-04-02T22:00:08.396Z","modified":"2026-10-28T02:31:01.238705427Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T15:44:40.391953Z"},{"id":"DEBIAN-CVE-2024-3204","description":"A vulnerability has been found in c-blosc2 up to 2.13.2 and classified as critical. Affected by this vulnerability is the function ndlz4_decompress of the file /src/c-blosc2/plugins/codecs/ndlz/ndlz4x4.c. The manipulation leads to heap-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 2.14.3 is able to address this issue. It is recommended to upgrade the affected component. The associated identifier of this vulnerability is VDB-259051.","status":"published","published":"2024-04-02T22:15:11.04Z","modified":"2026-11-02T12:02:19.20073151Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:45:42.530184Z"},{"id":"UBUNTU-CVE-2024-3204","description":"A vulnerability has been found in c-blosc2 up to 2.13.2 and classified as critical. Affected by this vulnerability is the function ndlz4_decompress of the file /src/c-blosc2/plugins/codecs/ndlz/ndlz4x4.c. The manipulation leads to heap-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 2.14.3 is able to address this issue. It is recommended to upgrade the affected component. The associated identifier of this vulnerability is VDB-259051.","status":"published","published":"2024-04-02T22:15:00Z","modified":"2026-10-17T12:56:35.462637731Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T16:54:48.333535Z"}]}}