{"id":"CVE-2020-27841","aliases":["AZL-45006","BELL-CVE-2020-27841","DEBIAN-CVE-2020-27841","DLA-2550-1","DSA-4882-1","EUVD-2020-20339","GHSA-7hw5-f79p-8gpg","JLSEC-2026-538","MGASA-2020-0478","OESA-2021-1118","SUSE-SU-2022:3802-1","UBUNTU-CVE-2020-27841","USN-4685-1","USN-4686-1","USN-4880-1","USN-5952-1","openSUSE-SU-2024:13571-1"],"status":"published","title":"There's a flaw in openjpeg in versions prior to 2.4.0 in src/lib/openjp2/pi.c. When an attacker...","description":"There's a flaw in openjpeg in versions prior to 2.4.0 in src/lib/openjp2/pi.c. When an attacker is able to provide crafted input to be processed by the openjpeg encoder, this could cause an out-of-bounds read. The greatest impact from this flaw is to application availability.","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":"2026-11-12","score":0.01454,"percentile":0.73813,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-122","CWE-787"],"published":"2020-12-29T11:57:17Z","modified":"2026-11-05T05:36:30Z","fixes":[{"ecosystem":"Azure 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Advisory","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-27841","tags":["web","advisory"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WJUPGIZE6A4O52EBOF75MCXJOL6MUCRV/"},{"url":"https://github.com/advisories/GHSA-7hw5-f79p-8gpg"},{"url":"https://docs.bell-sw.com/security/cves/CVE-2020-27841","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2020-27841","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2020-0478.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=27903","tags":["report"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/THY4LKGUS3D4XE5YHKLMTPVLURQ7OV57/","tags":["web"]},{"url":"https://openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2021-1118","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-27814","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-27843","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-27845","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2022/suse-su-20223802-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1140205","tags":["report"]},{"url":"https://bugzilla.suse.com/1149789","tags":["report"]},{"url":"https://bugzilla.suse.com/1179594","tags":["report"]},{"url":"https://bugzilla.suse.com/1179821","tags":["report"]},{"url":"https://bugzilla.suse.com/1180042","tags":["report"]},{"url":"https://bugzilla.suse.com/1180043","tags":["report"]},{"url":"https://bugzilla.suse.com/1180044","tags":["report"]},{"url":"https://bugzilla.suse.com/1180046","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2018-20846","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-21010","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-27814","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-27824","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-27841","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-27842","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-27843","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-27845","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2020-27841","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-4685-1","tags":["advisory"]},{"url":"https://ubuntu.com/security/notices/USN-4686-1","tags":["advisory"]},{"url":"https://ubuntu.com/security/notices/USN-4880-1","tags":["advisory"]},{"url":"https://ubuntu.com/security/notices/USN-5952-1","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-27841","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-15389","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-27814","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-27823","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-27824","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-27842","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-27843","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-27845","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2018-5727","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-6851","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-8112","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2018-16376","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-20845","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-15389","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-27823","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-29338","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2022-1122","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2020-27841","description":"There's a flaw in openjpeg in versions prior to 2.4.0 in src/lib/openjp2/pi.c. When an attacker is able to provide crafted input to be processed by the openjpeg encoder, this could cause an out-of-bounds read. The greatest impact from this flaw is to application availability.","status":"published","published":"2021-01-05T17:18:51Z","modified":"2024-08-04T16:25:43.06Z","cwes":["CWE-122"],"updated_at":"2026-11-02T14:35:53.552996Z"}],"euvd":[{"id":"EUVD-2020-20339","description":"There's a flaw in openjpeg in versions prior to 2.4.0 in src/lib/openjp2/pi.c. When an attacker is able to provide crafted input to be processed by the openjpeg encoder, this could cause an out-of-bounds read. The greatest impact from this flaw is to application availability.","status":"published","published":"2021-01-05T17:18:51Z","modified":"2024-08-04T16:25:43Z","updated_at":"2026-11-03T03:07:11.950168Z"}],"ghsa":[{"id":"GHSA-7hw5-f79p-8gpg","title":"There's a flaw in openjpeg in versions prior to 2.4.0 in src/lib/openjp2/pi.c. When an attacker...","description":"There's a flaw in openjpeg in versions prior to 2.4.0 in src/lib/openjp2/pi.c. When an attacker is able to provide crafted input to be processed by the openjpeg encoder, this could cause an out-of-bounds read. The greatest impact from this flaw is to application availability.","status":"published","published":"2022-05-24T17:37:59Z","modified":"2023-01-27T05:07:28Z","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","CWE-787"],"updated_at":"2026-11-02T14:43:07.808548Z"}],"nvd":[{"id":"CVE-2020-27841","description":"There's a flaw in openjpeg in versions prior to 2.4.0 in src/lib/openjp2/pi.c. When an attacker is able to provide crafted input to be processed by the openjpeg encoder, this could cause an out-of-bounds read. The greatest impact from this flaw is to application availability.","status":"published","published":"2021-01-05T18:15:13.927Z","modified":"2026-06-17T03:09:43.24Z","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-122","CWE-787"],"updated_at":"2026-11-02T14:06:28.340168Z"}],"osv":[{"id":"AZL-45006","title":"CVE-2020-27841 affecting package openjpeg2 for versions less than 2.3.1-12","description":"There's a flaw in openjpeg in versions prior to 2.4.0 in src/lib/openjp2/pi.c. When an attacker is able to provide crafted input to be processed by the openjpeg encoder, this could cause an out-of-bounds read. The greatest impact from this flaw is to application availability.","status":"published","published":"2021-01-05T18:15:13Z","modified":"2026-11-05T05:36:30Z","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":"2026-11-05T16:41:20.321068Z"},{"id":"BELL-CVE-2020-27841","title":"CVE-2020-27841 does not affect BellSoft software","status":"withdrawn","published":"2021-01-05T18:15:00Z","modified":"2026-01-26T09:46:15.761111Z","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":"2026-11-02T15:28:15.925958Z"},{"id":"CVE-2020-27841","description":"There's a flaw in openjpeg in versions prior to 2.4.0 in src/lib/openjp2/pi.c. When an attacker is able to provide crafted input to be processed by the openjpeg encoder, this could cause an out-of-bounds read. The greatest impact from this flaw is to application availability.","status":"published","published":"2021-01-05T18:15:13.927Z","modified":"2026-10-24T10:31:00.808982901Z","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":"2026-11-02T15:44:16.248747Z"},{"id":"DEBIAN-CVE-2020-27841","description":"There's a flaw in openjpeg in versions prior to 2.4.0 in src/lib/openjp2/pi.c. When an attacker is able to provide crafted input to be processed by the openjpeg encoder, this could cause an out-of-bounds read. The greatest impact from this flaw is to application availability.","status":"published","published":"2021-01-05T18:15:13.927Z","modified":"2026-10-26T12:02:42.813071737Z","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":"2026-11-02T15:45:33.729655Z"},{"id":"JLSEC-2026-538","description":"There's a flaw in openjpeg in versions prior to 2.4.0 in `src/lib/openjp2/pi.c`. When an attacker is able to provide crafted input to be processed by the openjpeg encoder, this could cause an out-of-bounds read. The greatest impact from this flaw is to application availability.","status":"published","published":"2026-05-26T19:31:24.313Z","modified":"2026-07-25T18:24:35.953713304Z","cvss":[{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium"},{"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":"2026-11-02T15:47:18.573531Z"},{"id":"OESA-2021-1118","title":"openjpeg2 security update","description":"OpenJPEG is an open-source JPEG 2000 codec written in C language. It has been developed in order to promote the use of JPEG 2000, a still-image compression standard from the Joint Photographic Experts Group (JPEG). Since April 2015, it is officially recognized by ISO/IEC and ITU-T as a JPEG 2000 Reference Software.\r\n\r\nSecurity Fix(es):\r\n\r\nA heap-buffer overflow was found in the way openjpeg2 handled certain PNG format files. An attacker could use this flaw to cause an application crash or in some cases execute arbitrary code with the permission of the user running such an application.(CVE-2020-27814)\r\n\r\nTheres a flaw in openjpeg in versions prior to 2.4.0 in src/lib/openjp2/pi.c. When an attacker is able to provide crafted input to be processed by the openjpeg encoder, this could cause an out-of-bounds read. The greatest impact from this flaw is to application availability.(CVE-2020-27841)\r\n\r\nA flaw was found in OpenJPEG in versions prior to 2.4.0. This flaw allows an attacker to provide specially crafted input to the conversion or encoding functionality, causing an out-of-bounds read. The highest threat from this vulnerability is system availability.(CVE-2020-27843)\r\n\r\nTheres a flaw in src/lib/openjp2/pi.c of openjpeg in versions prior to 2.4.0. If an attacker is able to provide untrusted input to openjpegs conversion/encoding functionality, they could cause an out-of-bounds read. The highest impact of this flaw is to application availability.(CVE-2020-27845)","status":"published","published":"2021-04-07T11:04:21Z","modified":"2026-08-18T01:15:10.294443446Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:52:38.987987Z"},{"id":"UBUNTU-CVE-2020-27841","description":"There's a flaw in openjpeg in versions prior to 2.4.0 in src/lib/openjp2/pi.c. When an attacker is able to provide crafted input to be processed by the openjpeg encoder, this could cause an out-of-bounds read. The greatest impact from this flaw is to application availability.","status":"published","published":"2021-01-05T18:15:00Z","modified":"2026-10-17T12:56:13.449450378Z","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":"2026-11-02T15:54:24.541803Z"},{"id":"DLA-2550-1","title":"openjpeg2 - security update","status":"published","published":"2021-02-09T00:00:00Z","modified":"2026-03-09T01:19:31.946069Z","updated_at":"2026-11-02T15:46:10.712745Z"},{"id":"DSA-4882-1","title":"openjpeg2 - security update","status":"published","published":"2021-04-01T00:00:00Z","modified":"2026-03-09T02:09:34.84881Z","updated_at":"2026-11-02T15:46:17.19998Z"},{"id":"MGASA-2020-0478","title":"Updated openjpeg2 packages fix security vulnerabilities","description":"There's a flaw in openjpeg in src/lib/openjp2/pi.c. When an attacker is able to\nprovide crafted input to be processed by the openjpeg encoder, this could cause\nan out-of-bounds read. The greatest impact from this flaw is to application\navailability (CVE-2020-27841).\n\nThere's a flaw in openjpeg's t2 encoder. An attacker who is able to provide\ncrafted input to be processed by openjpeg could cause a null pointer\ndereference. The highest impact of this flaw is to application availability\n(CVE-2020-27842).\n\nA flaw was found in OpenJPEG. This flaw allows an attacker to provide specially\ncrafted input to the conversion or encoding functionality, causing an\nout-of-bounds read. The highest threat from this vulnerability is system\navailability (CVE-2020-27843).\n\nThere's a flaw in  src/lib/openjp2/pi.c of openjpeg. If an attacker is able to\nprovide untrusted input to openjpeg's conversion/encoding functionality, they\ncould cause an out-of-bounds read. The highest impact of this flaw is to\napplication availability (CVE-2020-27845).\n","status":"published","published":"2020-12-29T11:57:17Z","modified":"2026-04-16T04:44:08.001461511Z","updated_at":"2026-11-02T15:49:41.509337Z"},{"id":"openSUSE-SU-2024:13571-1","title":"libopenjp2-7-2.5.0-4.1 on GA media","description":"These are all security issues fixed in the libopenjp2-7-2.5.0-4.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T03:13:42.127645Z","updated_at":"2026-11-02T16:58:36.327643Z"},{"id":"SUSE-SU-2022:3802-1","title":"Security update for openjpeg2","description":"This update for openjpeg2 fixes the following issues:\n\n  - CVE-2018-20846: Fixed OOB read in pi_next_lrcp, pi_next_rlcp, pi_next_rpcl, pi_next_pcrl, pi_next_rpcl, and pi_next_cprl in openmj2/pi.c (bsc#1140205).\n  - CVE-2018-21010: Fixed heap buffer overflow in color_apply_icc_profile in bin/common/color.c (bsc#1149789).\n  - CVE-2020-27814: Fixed heap buffer overflow in lib/openjp2/mqc.c (bsc#1179594),\n  - CVE-2020-27824: Fixed OOB read in opj_dwt_calc_explicit_stepsizes() (bsc#1179821).\n  - CVE-2020-27841: Fixed buffer over-read in lib/openjp2/pi.c (bsc#1180042).\n  - CVE-2020-27842: Fixed null pointer dereference in opj_tgt_reset function in lib/openjp2/tgt.c (bsc#1180043).\n  - CVE-2020-27843: Fixed OOB read in opj_t2_encode_packet function in openjp2/t2.c (bsc#1180044).\n  - CVE-2020-27845: Fixed heap-based buffer over-read in functions opj_pi_next_rlcp, opj_pi_next_rpcl and opj_pi_next_lrcp in openjp2/pi.c (bsc#1180046).\n","status":"published","published":"2022-10-27T14:27:02Z","modified":"2026-02-04T04:02:03.325959Z","updated_at":"2026-11-02T15:53:51.440565Z"},{"id":"USN-4685-1","title":"openjpeg2 vulnerabilities","description":"It was discovered that OpenJPEG incorrectly handled certain image data. An\nattacker could use this issue to cause OpenJPEG to crash, leading to a\ndenial of service, or possibly execute arbitrary code.\n","status":"published","published":"2021-01-07T13:59:57Z","modified":"2026-04-27T15:48:47.014783066Z","updated_at":"2026-11-02T16:58:15.159055Z"},{"id":"USN-4686-1","title":"ghostscript vulnerabilities","description":"It was discovered that Ghostscript incorrectly handled certain image\nfiles. If a user or automated system were tricked into processing a\nspecially crafted file, a remote attacker could use this issue to cause\nGhostscript to crash, resulting in a denial of service, or possibly\nexecute arbitrary code.\n","status":"published","published":"2021-01-07T14:10:16Z","modified":"2026-04-27T16:03:35.001338378Z","updated_at":"2026-11-02T16:58:15.159055Z"},{"id":"USN-4880-1","title":"openjpeg2 vulnerabilities","description":"It was discovered that OpenJPEG incorrectly handled certain image data. An\nattacker could use this issue to cause OpenJPEG to crash, leading to a\ndenial of service, or possibly execute arbitrary code.\n","status":"published","published":"2021-03-16T10:32:18Z","modified":"2026-04-27T15:50:30.348157Z","updated_at":"2026-11-02T16:58:15.159055Z"},{"id":"USN-5952-1","title":"openjpeg2 vulnerabilities","description":"Sebastian Poeplau discovered that OpenJPEG incorrectly handled certain inputs.\nIf a user or an automated system were tricked into opening a specially crafted\ninput file, a remote attacker could possibly use this issue to cause a denial\nof service or execute arbitrary code. This issue only affected Ubuntu 18.04\nLTS. (CVE-2020-6851, CVE-2020-8112)\n\nIt was discovered that OpenJPEG incorrectly handled certain inputs. If a user\nor an automated system were tricked into opening a specially crafted input\nfile, a remote attacker could possibly use this issue to cause a denial of\nservice or execute arbitrary code. This issue only affected Ubuntu 18.04 LTS.\n(CVE-2020-15389, CVE-2020-27814, CVE-2020-27823, CVE-2020-27824,\nCVE-2020-27841, CVE-2020-27845)\n\nIt was discovered that OpenJPEG incorrectly handled certain inputs. If a user\nor an automated system were tricked into opening a specially crafted input\nfile, a remote attacker could possibly use this issue to cause a denial of\nservice. (CVE-2020-27842, CVE-2020-27843)\n","status":"published","published":"2023-03-15T11:56:14Z","modified":"2026-06-25T13:31:53.102876445Z","updated_at":"2026-11-02T16:58:16.738762Z"}]}}