{
  "fix": "RHSA-2021:4251",
  "url": "https://patchblox.com/security/fix/linux/rhsa-2021-4251",
  "summary": "RHSA-2021:4251, released November 9, 2021, fixes 14 CVEs across 4 products. None of them is reported as exploited. Patch Radar priority: High.",
  "platform": "linux",
  "type": "advisory",
  "title": "Security update for 4 packages",
  "released": "2021-11-09T00:00:00Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2020-15389, high severity",
  "supported": true,
  "cveCount": 14,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.02617,
  "maxCvss": 8.8,
  "vendorAdvisory": "https://access.redhat.com/errata/RHSA-2021:4251",
  "appliesTo": [
    {
      "product": "openjpeg2",
      "productUrl": "https://patchblox.com/security/product/linux/openjpeg2",
      "release": "RHEL 8",
      "fixedVersion": "0:2.4.0-4.el8",
      "supported": true
    },
    {
      "product": "openjpeg2-devel",
      "productUrl": "https://patchblox.com/security/product/linux/openjpeg2-devel",
      "release": "RHEL 8",
      "fixedVersion": "0:2.4.0-4.el8",
      "supported": true
    },
    {
      "product": "openjpeg2-devel-docs",
      "productUrl": "https://patchblox.com/security/product/linux/openjpeg2-devel-docs",
      "release": "RHEL 8",
      "fixedVersion": "0:2.4.0-4.el8",
      "supported": true
    },
    {
      "product": "openjpeg2-tools",
      "productUrl": "https://patchblox.com/security/product/linux/openjpeg2-tools",
      "release": "RHEL 8",
      "fixedVersion": "0:2.4.0-4.el8",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2020-15389",
      "url": "https://patchblox.com/security/cve/CVE-2020-15389",
      "title": "openjpeg2: OpenJPEG is an open source library for reading and writing image files in JPEG2000 format.\n\nThe following packages ha...",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.8,
      "epss": 0.02617,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-12973",
      "url": "https://patchblox.com/security/cve/CVE-2019-12973",
      "title": "libopenjp2-7: In OpenJPEG 2.3.1, there is excessive iteration in the opj_t1_encode_cblksfunction of openjp2/t1.c",
      "priority": "High",
      "severity": "Low",
      "cvss": 7.8,
      "epss": 0.02596,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-20845",
      "url": "https://patchblox.com/security/cve/CVE-2018-20845",
      "title": "openjpeg2: OpenJPEG is an open source library for reading and writing image files in JPEG2000 format.\n\nThe following packages ha...",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.8,
      "epss": 0.02347,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-20847",
      "url": "https://patchblox.com/security/cve/CVE-2018-20847",
      "title": "openjpeg2: OpenJPEG is an open source library for reading and writing image files in JPEG2000 format.\n\nThe following packages ha...",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.8,
      "epss": 0.02343,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-5785",
      "url": "https://patchblox.com/security/cve/CVE-2018-5785",
      "title": "openjpeg2: OpenJPEG is an open source library for reading and writing image files in JPEG2000 format.\n\nThe following packages ha...",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.8,
      "epss": 0.02331,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-27814",
      "url": "https://patchblox.com/security/cve/CVE-2020-27814",
      "title": "libopenjp2-7: A heap-buffer overflow was found in the way openjpeg2 handled certain PNGformat files",
      "priority": "High",
      "severity": "Medium",
      "cvss": 7.8,
      "epss": 0.02096,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-5727",
      "url": "https://patchblox.com/security/cve/CVE-2018-5727",
      "title": "openjpeg2: OpenJPEG is an open source library for reading and writing image files in JPEG2000 format.\n\nThe following packages ha...",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.8,
      "epss": 0.0182,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-27843",
      "url": "https://patchblox.com/security/cve/CVE-2020-27843",
      "title": "libopenjp2-7: A flaw was found in OpenJPEG in versions prior to 2.4.0",
      "priority": "High",
      "severity": "Low",
      "cvss": 7.8,
      "epss": 0.01772,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-27824",
      "url": "https://patchblox.com/security/cve/CVE-2020-27824",
      "title": "libopenjp2-7: A flaw was found in OpenJPEG\u2019s encoder in theopj_dwt_calc_explicit_stepsizes() function",
      "priority": "High",
      "severity": "Medium",
      "cvss": 7.8,
      "epss": 0.0161,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-29338",
      "url": "https://patchblox.com/security/cve/CVE-2021-29338",
      "title": "openjpeg2: OpenJPEG is an open source library for reading and writing image files in JPEG2000 format.\n\nThe following packages ha...",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.8,
      "epss": 0.0156,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-3575",
      "url": "https://patchblox.com/security/cve/CVE-2021-3575",
      "title": "libopenjp2-7: A heap-based buffer overflow was found in openjpeg in color.c:379:42 insycc420_to_rgb when decompressing a crafted .j...",
      "priority": "High",
      "severity": "Low",
      "cvss": 7.8,
      "epss": 0.01549,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-27842",
      "url": "https://patchblox.com/security/cve/CVE-2020-27842",
      "title": "libopenjp2-7: There\u0027s a flaw in openjpeg\u0027s t2 encoder in versions prior to 2.4.0",
      "priority": "High",
      "severity": "Medium",
      "cvss": 7.8,
      "epss": 0.0152,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-27845",
      "url": "https://patchblox.com/security/cve/CVE-2020-27845",
      "title": "libopenjp2-7: There\u0027s a flaw in src/lib/openjp2/pi.c of openjpeg in versions prior to2.4.0",
      "priority": "High",
      "severity": "Medium",
      "cvss": 7.8,
      "epss": 0.0152,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-27823",
      "url": "https://patchblox.com/security/cve/CVE-2020-27823",
      "title": "libopenjpip-server: A flaw was found in OpenJPEG\u2019s encoder",
      "priority": "High",
      "severity": "Medium",
      "cvss": 7.8,
      "epss": 0.01107,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-07T18:46:35Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}