{"id":"CVE-2021-33657","aliases":["ALPINE-CVE-2021-33657","BELL-CVE-2021-33657","DEBIAN-CVE-2021-33657","DLA-3314-1","EUVD-2021-20334","GHSA-9276-2w6v-wx4c","JLSEC-2026-364","MGASA-2022-0326","MGASA-2022-0332","OESA-2022-1592","SUSE-SU-2022:1218-1","SUSE-SU-2022:1273-1","SUSE-SU-2022:1312-1","SUSE-SU-2022:1313-1","SUSE-SU-2022:14943-1","UBUNTU-CVE-2021-33657","USN-5398-1","openSUSE-SU-2024:11984-1","openSUSE-SU-2024:13582-1","openSUSE-SU-2025:15205-1","openSUSE-SU-2025:15206-1"],"status":"published","title":"There is a heap overflow problem in video/SDL_pixels.c in SDL (Simple DirectMedia Layer) 2.x to 2...","description":"There is a heap overflow problem in video/SDL_pixels.c in SDL (Simple DirectMedia Layer) 2.x to 2.0.18 versions. 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Party Advisory","fix","web","report"]},{"url":"https://lists.debian.org/debian-lts-announce/2023/02/msg00008.html","tags":["mailing-list","x_transferred","web"]},{"url":"https://security.gentoo.org/glsa/202305-18","tags":["vendor-advisory","x_transferred","advisory","web"]},{"url":"https://security.gentoo.org/glsa/202305-17","tags":["vendor-advisory","x_transferred","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-33657","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-9276-2w6v-wx4c"},{"url":"https://security.alpinelinux.org/vuln/CVE-2021-33657","tags":["advisory"]},{"url":"https://docs.bell-sw.com/security/cves/CVE-2021-33657","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2021-33657","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2022-0326.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=30293","tags":["report"]},{"url":"https://lists.suse.com/pipermail/sle-security-updates/2022-April/010735.html","tags":["web"]},{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/RT4PK6MXMUBIFIGD2YA7HAH4DD43QU3Z/","tags":["web"]},{"url":"https://ubuntu.com/security/notices/USN-5398-1","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2022-0332.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=30786","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-5586-1","tags":["advisory"]},{"url":"https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2022-1592","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2022/suse-su-20221218-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1198001","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2021-33657","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2022/suse-su-20221273-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1181201","tags":["report"]},{"url":"https://bugzilla.suse.com/1181202","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2020-14409","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-14410","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2022/suse-su-20221312-1/","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2022/suse-su-20221313-1/","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2022/suse-su-202214943-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1124825","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2019-7637","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2021-33657","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-33657","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2019-7572","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-7573","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-7574","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-7575","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-7577","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-7578","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-7636","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2022-4743","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-13616","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-7635","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-7638","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-2888","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-13626","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2021-33657","description":"There is a heap overflow problem in video/SDL_pixels.c in SDL (Simple DirectMedia Layer) 2.x to 2.0.18 versions. By crafting a malicious .BMP file, an attacker can cause the application using this library to crash, denial of service or Code execution.","status":"published","published":"2022-04-01T00:00:00Z","modified":"2024-08-03T23:58:22.435Z","updated_at":"2026-11-02T14:33:10.204494Z"}],"euvd":[{"id":"EUVD-2021-20334","description":"There is a heap overflow problem in video/SDL_pixels.c in SDL (Simple DirectMedia Layer) 2.x to 2.0.18 versions. By crafting a malicious .BMP file, an attacker can cause the application using this library to crash, denial of service or Code execution.","status":"published","published":"2022-04-01T00:00:00Z","modified":"2024-08-03T23:58:22Z","updated_at":"2026-11-03T03:24:33.866739Z"}],"ghsa":[{"id":"GHSA-9276-2w6v-wx4c","title":"There is a heap overflow problem in video/SDL_pixels.c in SDL (Simple DirectMedia Layer) 2.x to 2...","description":"There is a heap overflow problem in video/SDL_pixels.c in SDL (Simple DirectMedia Layer) 2.x to 2.0.18 versions. By crafting a malicious .BMP file, an attacker can cause the application using this library to crash, denial of service or Code execution.","status":"published","published":"2022-04-03T00:01:01Z","modified":"2023-05-03T12:30:23Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:54:34.500941Z"}],"nvd":[{"id":"CVE-2021-33657","description":"There is a heap overflow problem in video/SDL_pixels.c in SDL (Simple DirectMedia Layer) 2.x to 2.0.18 versions. By crafting a malicious .BMP file, an attacker can cause the application using this library to crash, denial of service or Code execution.","status":"published","published":"2022-04-01T23:15:10.363Z","modified":"2026-06-17T03:54:58.65Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:07:05.581807Z"}],"osv":[{"id":"ALPINE-CVE-2021-33657","description":"There is a heap overflow problem in video/SDL_pixels.c in SDL (Simple DirectMedia Layer) 2.x to 2.0.18 versions. By crafting a malicious .BMP file, an attacker can cause the application using this library to crash, denial of service or Code execution.","status":"published","published":"2022-04-01T23:15:10.363Z","modified":"2026-11-03T06:32:34.135636993Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T07:17:20.312441Z"},{"id":"BELL-CVE-2021-33657","title":"CVE-2021-33657 does not affect BellSoft software","status":"withdrawn","published":"2023-08-31T12:14:26.510332Z","modified":"2026-01-26T09:49:12.315354Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:28:16.5265Z"},{"id":"CVE-2021-33657","description":"There is a heap overflow problem in video/SDL_pixels.c in SDL (Simple DirectMedia Layer) 2.x to 2.0.18 versions. By crafting a malicious .BMP file, an attacker can cause the application using this library to crash, denial of service or Code execution.","status":"published","published":"2022-04-01T23:15:10.363Z","modified":"2026-10-20T14:23:26.385626802Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:20.13324Z"},{"id":"DEBIAN-CVE-2021-33657","description":"There is a heap overflow problem in video/SDL_pixels.c in SDL (Simple DirectMedia Layer) 2.x to 2.0.18 versions. By crafting a malicious .BMP file, an attacker can cause the application using this library to crash, denial of service or Code execution.","status":"published","published":"2022-04-01T23:15:10.363Z","modified":"2026-10-23T18:03:15.803593777Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:35.233346Z"},{"id":"JLSEC-2026-364","description":"There is a heap overflow problem in `video/SDL_pixels.c` in SDL (Simple DirectMedia Layer) 2.x to 2.0.18 versions. By crafting a malicious .BMP file, an attacker can cause the application using this library to crash, denial of service or Code execution.","status":"published","published":"2026-04-30T14:15:09.088Z","modified":"2026-07-25T18:24:22.267486563Z","cvss":[{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:47:18.573531Z"},{"id":"OESA-2022-1592","title":"SDL2 security update","description":"Simple DirectMedia Layer (SDL) is a cross-platform multimedia library designed to provide fast access to the graphics frame buffer and audio device.\r\n\r\nSecurity Fix(es):\r\n\r\nThere is a heap overflow problem in video/SDL_pixels.c in SDL (Simple DirectMedia Layer) 2.x to 2.0.18 versions. By crafting a malicious .BMP file, an attacker can cause the application using this library to crash, denial of service or Code execution.(CVE-2021-33657)","status":"published","published":"2022-03-26T11:04:52Z","modified":"2026-08-18T01:15:43.173851468Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H","level":"high"}],"updated_at":"2026-11-02T15:52:39.528805Z"},{"id":"UBUNTU-CVE-2021-33657","description":"There is a heap overflow problem in video/SDL_pixels.c in SDL (Simple DirectMedia Layer) 2.x to 2.0.18 versions. By crafting a malicious .BMP file, an attacker can cause the application using this library to crash, denial of service or Code execution.","status":"published","published":"2022-04-01T23:15:00Z","modified":"2026-04-22T12:54:12.730331Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:27.870979Z"},{"id":"DLA-3314-1","title":"libsdl2 - security update","status":"published","published":"2023-02-09T00:00:00Z","modified":"2026-03-09T01:21:53.582533Z","updated_at":"2026-11-02T15:46:11.734021Z"},{"id":"MGASA-2022-0326","title":"Updated sdl2 packages fix security vulnerability","description":"There is a heap overflow problem in video/SDL_pixels.c in SDL (Simple\nDirectMedia Layer) 2.x to 2.0.18 versions. By crafting a malicious .BMP\nfile, an attacker can cause the application using this library to crash,\nfor denial of service, or for Code execution. (CVE-2021-33657)\n","status":"published","published":"2022-09-16T19:39:55Z","modified":"2026-04-16T04:43:41.294591284Z","updated_at":"2026-11-02T15:49:42.263076Z"},{"id":"MGASA-2022-0332","title":"Updated SDL12 packages fix security vulnerability","description":"There is a heap overflow problem in video/SDL_pixels.c in SDL (Simple\nDirectMedia Layer) 2.x to 2.0.18 versions. By crafting a malicious .BMP\nfile, an attacker can cause the application using this library to crash,\ndenial of service or Code execution. (CVE-2021-33657)\n\nSDL v1.2 was discovered to contain a use-after-free via the XFree function\nat /src/video/x11/SDL_x11yuv.c. (CVE-2022-34568)\n","status":"published","published":"2022-09-16T19:39:55Z","modified":"2026-04-16T04:41:40.166881012Z","updated_at":"2026-11-02T15:49:42.263076Z"},{"id":"openSUSE-SU-2024:11984-1","title":"SDL-devel-1.2.15-24.1 on GA media","description":"These are all security issues fixed in the SDL-devel-1.2.15-24.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T03:39:25.552698Z","updated_at":"2026-11-02T16:58:35.485255Z"},{"id":"openSUSE-SU-2024:13582-1","title":"SDL2-devel-2.28.5-2.1 on GA media","description":"These are all security issues fixed in the SDL2-devel-2.28.5-2.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T02:30:21.570358Z","updated_at":"2026-11-02T16:58:36.327643Z"},{"id":"openSUSE-SU-2025:15205-1","title":"SDL-1.2.15-1.1 on GA media","description":"These are all security issues fixed in the SDL-1.2.15-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2025-07-03T00:00:00Z","modified":"2026-03-23T04:53:29.841137Z","updated_at":"2026-11-02T16:58:37.399567Z"},{"id":"openSUSE-SU-2025:15206-1","title":"SDL2-2.32.8-1.1 on GA media","description":"These are all security issues fixed in the SDL2-2.32.8-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2025-07-03T00:00:00Z","modified":"2026-03-23T04:53:29.880873Z","updated_at":"2026-11-02T16:58:37.399567Z"},{"id":"SUSE-SU-2022:1218-1","title":"Security update for SDL2","description":"This update for SDL2 fixes the following issues:\n\n- CVE-2021-33657: Fix a buffer overflow when parsing a crafted BMP image (bsc#1198001).\n","status":"published","published":"2022-04-14T14:53:48Z","modified":"2026-02-04T02:28:17.714032Z","updated_at":"2026-11-02T15:53:50.513981Z"},{"id":"SUSE-SU-2022:1273-1","title":"Security update for SDL","description":"This update for SDL fixes the following issues:\n\n- CVE-2020-14409: Fixed an integer overflow (and resultant SDL_memcpy heap corruption) in SDL_BlitCopy in video/SDL_blit_copy.c. (bsc#1181202)\n- CVE-2020-14410: Fixed a heap-based buffer over-read in Blit_3or4_to_3or4__inversed_rgb in video/SDL_blit_N.c. (bsc#1181201)\n- CVE-2021-33657: Fixed a Heap overflow problem in video/SDL_pixels.c. (bsc#1198001)\n  ","status":"published","published":"2022-04-20T07:10:05Z","modified":"2026-02-04T02:41:07.894112Z","updated_at":"2026-11-02T15:53:50.513981Z"},{"id":"SUSE-SU-2022:1312-1","title":"Security update for SDL","description":"This update for SDL fixes the following issues:\n\n- CVE-2020-14409: Fixed an integer overflow (and resultant SDL_memcpy heap corruption) in SDL_BlitCopy in video/SDL_blit_copy.c. (bsc#1181202)\n- CVE-2020-14410: Fixed a heap-based buffer over-read in Blit_3or4_to_3or4__inversed_rgb in video/SDL_blit_N.c. (bsc#1181201)\n- CVE-2021-33657: Fixed a Heap overflow problem in video/SDL_pixels.c. (bsc#1198001)\n  ","status":"published","published":"2022-04-22T14:11:15Z","modified":"2026-02-04T04:04:25.187408Z","updated_at":"2026-11-02T15:53:50.513981Z"},{"id":"SUSE-SU-2022:1313-1","title":"Security update for SDL2","description":"This update for SDL2 fixes the following issues:\n\n- CVE-2021-33657: Fixed a heap overflow problem in video/SDL_pixels.c (bsc#1198001).\n","status":"published","published":"2022-04-22T14:13:14Z","modified":"2026-02-04T03:14:02.620017Z","updated_at":"2026-11-02T15:53:50.513981Z"},{"id":"SUSE-SU-2022:14943-1","title":"Security update for SDL","description":"This update for SDL fixes the following issues:\n\n- CVE-2020-14410: Fixed a heap-based buffer over-read in Blit_3or4_to_3or4__inversed_rgb in video/SDL_blit_N.c (bsc#1181201).\n- CVE-2019-7637: Fixed a heap-based buffer overflow in SDL_FillRect in video/SDL_surface.c (bsc#1124825).\n- CVE-2021-33657: Fix a buffer overflow when parsing a crafted BMP image (bsc#1198001).\n- CVE-2020-14409: Fixed an integer overflow (and resultant SDL_memcpy heap corruption) in SDL_BlitCopy in video/SDL_blit_copy.c (bsc#1181202).\n","status":"published","published":"2022-04-22T14:09:44Z","modified":"2026-02-04T02:17:29.881188Z","updated_at":"2026-11-02T15:53:50.513981Z"},{"id":"USN-5398-1","title":"libsdl1.2, libsdl2 vulnerability","description":"It was discovered that SDL (Simple DirectMedia Layer) incorrectly handled\ncertain files. An attacker could possibly use this issue to cause a denial\nof service, or possibly execute arbitrary code.\n","status":"published","published":"2022-04-28T19:57:27Z","modified":"2026-06-29T13:49:36.534150857Z","updated_at":"2026-11-02T16:58:16.20937Z"}]}}