{"id":"CVE-2021-37529","aliases":["ALPINE-CVE-2021-37529","DEBIAN-CVE-2021-37529","EUVD-2021-24091","GHSA-3j5r-rx9m-43h3","OESA-2022-1509","UBUNTU-CVE-2021-37529"],"status":"published","title":"A double-free vulnerability exists in fig2dev through 3.28a is affected by: via the free_stream...","description":"A double-free vulnerability exists in fig2dev through 3.28a is affected by: via the free_stream function in readpics.c, which could cause a denial of service (context-dependent).","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":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00773,"percentile":0.55976,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-415"],"published":"2022-01-12T20:12:04Z","modified":"2026-11-03T06:32:47Z","fixes":[{"ecosystem":"Alpine:v3.21","package":"fig2dev","fixed_in":["3.2.8b-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.22","package":"fig2dev","fixed_in":["3.2.8b-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.23","package":"fig2dev","fixed_in":["3.2.8b-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.24","package":"fig2dev","fixed_in":["3.2.8b-r0"],"sources":["osv"]},{"ecosystem":"Debian:12","package":"fig2dev","fixed_in":["1:3.2.8b-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"fig2dev","fixed_in":["1:3.2.8b-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"fig2dev","fixed_in":["1:3.2.8b-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Alpine:v3.21","package":"fig2dev","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2.8b-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.22","package":"fig2dev","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2.8b-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.23","package":"fig2dev","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2.8b-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.24","package":"fig2dev","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2.8b-r0"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"fig2dev","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:3.2.8b-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"fig2dev","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:3.2.8b-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"fig2dev","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:3.2.8b-1"}]}]},{"source":"osv","ecosystem":"openEuler:20.03-LTS-SP1","package":"transfig","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2.8b-1.oe1"}]}],"bundled":2},{"source":"osv","ecosystem":"openEuler:20.03-LTS-SP2","package":"transfig","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2.8b-1.oe1"}]}],"bundled":2},{"source":"osv","ecosystem":"openEuler:20.03-LTS-SP3","package":"transfig","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2.8b-1.oe1"}]}],"bundled":2}],"products":[{"vendor":"debian","product":"debian_linux"},{"vendor":"fig2dev_project","product":"fig2dev"}],"references":[{"url":"https://sourceforge.net/p/mcj/tickets/125/","tags":["x_refsource_MISC","x_transferred","Exploit","Patch","Third Party Advisory","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-37529","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-3j5r-rx9m-43h3"},{"url":"https://security.alpinelinux.org/vuln/CVE-2021-37529","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2021-37529","tags":["advisory"]},{"url":"https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2022-1509","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-37530","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2021-37529","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-37529","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2021-37529","description":"A double-free vulnerability exists in fig2dev through 3.28a is affected by: via the free_stream function in readpics.c, which could cause a denial of service (context-dependent).","status":"published","published":"2022-01-12T20:12:04Z","modified":"2024-08-04T01:22:59.362Z","updated_at":"2026-11-02T14:32:58.028461Z"}],"euvd":[{"id":"EUVD-2021-24091","description":"A double-free vulnerability exists in fig2dev through 3.28a is affected by: via the free_stream function in readpics.c, which could cause a denial of service (context-dependent).","status":"published","published":"2022-01-12T20:12:04Z","modified":"2024-08-04T01:22:59Z","updated_at":"2026-11-03T03:24:27.254804Z"}],"ghsa":[{"id":"GHSA-3j5r-rx9m-43h3","title":"A double-free vulnerability exists in fig2dev through 3.28a is affected by: via the free_stream...","description":"A double-free vulnerability exists in fig2dev through 3.28a is affected by: via the free_stream function in readpics.c, which could cause a denial of service (context-dependent).","status":"published","published":"2022-01-13T00:00:52Z","modified":"2023-02-03T05:04:18Z","cwes":["CWE-415"],"updated_at":"2026-11-02T14:53:31.323466Z"}],"nvd":[{"id":"CVE-2021-37529","description":"A double-free vulnerability exists in fig2dev through 3.28a is affected by: via the free_stream function in readpics.c, which could cause a denial of service (context-dependent).","status":"published","published":"2022-01-12T21:15:07.487Z","modified":"2026-06-17T04:00:41.06Z","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":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-415"],"updated_at":"2026-11-02T14:07:03.418194Z"}],"osv":[{"id":"ALPINE-CVE-2021-37529","description":"A double-free vulnerability exists in fig2dev through 3.28a is affected by: via the free_stream function in readpics.c, which could cause a denial of service (context-dependent).","status":"published","published":"2022-01-12T21:15:07.487Z","modified":"2026-11-03T06:32:47.729878159Z","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":"2026-11-03T07:16:46.202932Z"},{"id":"CVE-2021-37529","description":"A double-free vulnerability exists in fig2dev through 3.28a is affected by: via the free_stream function in readpics.c, which could cause a denial of service (context-dependent).","status":"published","published":"2022-01-12T21:15:07.487Z","modified":"2026-03-14T11:03:15.212799Z","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":"2026-11-02T15:44:20.434873Z"},{"id":"DEBIAN-CVE-2021-37529","description":"A double-free vulnerability exists in fig2dev through 3.28a is affected by: via the free_stream function in readpics.c, which could cause a denial of service (context-dependent).","status":"published","published":"2022-01-12T21:15:07.487Z","modified":"2026-10-23T18:03:50.084538197Z","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":"2026-11-02T15:45:35.521549Z"},{"id":"OESA-2022-1509","title":"transfig security update","description":"The transfig utility creates a makefile which translates FIG (created by xfig) or PIC figures into a specified LaTeX graphics language (for example, PostScript(TM)).  Transfig is used to create TeX documents which are portable (i.e., they can be printed in a wide variety of environments).\r\n\r\nSecurity Fix(es):\r\n\r\nA double-free vulnerability exists in fig2dev through 3.28a is affected by: via the free_stream function in readpics.c, which could cause a denial of service (context-dependent).(CVE-2021-37529)\r\n\r\nA denial of service vulnerabiity exists in fig2dev through 3.28a due to a segfault in the open_stream function in readpics.c.(CVE-2021-37530)","status":"published","published":"2022-01-28T11:04:47Z","modified":"2026-08-18T01:16:19.265411931Z","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":"2026-11-02T15:52:39.528805Z"},{"id":"UBUNTU-CVE-2021-37529","description":"A double-free vulnerability exists in fig2dev through 3.28a is affected by: via the free_stream function in readpics.c, which could cause a denial of service (context-dependent).","status":"withdrawn","published":"2022-01-12T21:15:00Z","modified":"2025-07-16T07:43:00.6354Z","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":"2026-11-02T15:54:28.526929Z"}]}}