{
  "cveId": "CVE-2020-27828",
  "url": "https://patchblox.com/security/cve/CVE-2020-27828",
  "summary": "CVE-2020-27828 is fixed in 3 products on 1 platform, first by RHSA-2021:4235, released November 9, 2021. It is not reported as exploited. Patch Radar priority: High.",
  "title": "jasper-devel: JasPer is an implementation of Part 1 of the JPEG 2000 image compression standard.\n\nSecurity Fix(es):\n\n* jasper: Heap...",
  "description": "JasPer is an implementation of Part 1 of the JPEG 2000 image compression standard.\n\nSecurity Fix(es):\n\n* jasper: Heap-based buffer overflow in cp_create() in jpc_enc.c (CVE-2020-27828)\n\n* jasper: Heap-based buffer over-read in jp2_decode() in jp2_dec.c (CVE-2021-3272)\n\n* jasper: Out of bounds read in jp2_decode() in jp2_dec.c (CVE-2021-26926)\n\n* jasper: NULL pointer dereference in jp2_decode() in jp2_dec.c (CVE-2021-26927)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the Red Hat Enterprise Linux 8.5 Release Notes linked from the References section.",
  "published": "2021-11-09T00:00:00Z",
  "severity": "Moderate",
  "cvss": 7.8,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
  "epss": 0.01388,
  "epssPercentile": 0.72426,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "jasper",
      "release": "rocky 8",
      "fixedVersion": "0:2.0.14-5.el8",
      "fix": "RLSA-2021:4235",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2021-4235",
      "released": "2021-11-09T08:48:32Z"
    },
    {
      "platform": "linux",
      "product": "jasper-devel",
      "release": "RHEL 8",
      "fixedVersion": "0:2.0.14-5.el8",
      "fix": "RHSA-2021:4235",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-4235",
      "released": "2021-11-09T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "jasper-devel",
      "release": "almalinux 8",
      "fixedVersion": "2.0.14-5.el8",
      "fix": "ALSA-2021:4235",
      "url": "https://patchblox.com/security/fix/linux/alsa-2021-4235",
      "released": "2021-11-09T08:48:32Z"
    },
    {
      "platform": "linux",
      "product": "jasper-devel",
      "release": "ol 8",
      "fixedVersion": "0:2.0.14-5.el8",
      "fix": "ELSA-2021-4235",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-4235",
      "released": "2021-11-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "jasper-libs",
      "release": "RHEL 8",
      "fixedVersion": "0:2.0.14-5.el8",
      "fix": "RHSA-2021:4235",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-4235",
      "released": "2021-11-09T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "jasper-libs",
      "release": "almalinux 8",
      "fixedVersion": "2.0.14-5.el8",
      "fix": "ALSA-2021:4235",
      "url": "https://patchblox.com/security/fix/linux/alsa-2021-4235",
      "released": "2021-11-09T08:48:32Z"
    },
    {
      "platform": "linux",
      "product": "jasper-libs",
      "release": "ol 8",
      "fixedVersion": "0:2.0.14-5.el8",
      "fix": "ELSA-2021-4235",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-4235",
      "released": "2021-11-16T00:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T13:06:02Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}