{
  "threat_severity" : "Moderate",
  "public_date" : "2023-08-22T00:00:00Z",
  "bugzilla" : {
    "description" : "libjpeg-turbo: heap-buffer-overflow vulnerability in decompress_smooth_data in jdcoefct.c",
    "id" : "2235521",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2235521"
  },
  "cvss3" : {
    "cvss3_base_score" : "7.1",
    "cvss3_scoring_vector" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H",
    "status" : "verified"
  },
  "cwe" : "CWE-125",
  "details" : [ "libjpeg-turbo version 2.0.90 has a heap-based buffer over-read (2 bytes) in decompress_smooth_data in jdcoefct.c.", "A heap buffer over-read flaw was found in libjpeg-turbo. For certain types of smoothed jpeg images, the decompress_smooth_data() function may improperly enter a condition statement that leads to heap memory read of uninitialized data, which may cause an application crash or loss of confidentiality." ],
  "statement" : "The amount of memory read is very small and not controllable by an attacker, which lowers the impact of this flaw to Moderate.",
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2024-04-30T00:00:00Z",
    "advisory" : "RHSA-2024:2295",
    "cpe" : "cpe:/a:redhat:enterprise_linux:9",
    "package" : "libjpeg-turbo-0:2.0.90-7.el9"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 6",
    "fix_state" : "Out of support scope",
    "package_name" : "libjpeg-turbo",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Out of support scope",
    "package_name" : "libjpeg-turbo",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Not affected",
    "package_name" : "libjpeg-turbo",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2021-29390\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-29390\nhttps://github.com/libjpeg-turbo/libjpeg-turbo/commit/ccaba5d7894ecfb5a8f11e48d3f86e1f14d5a469\nhttps://github.com/libjpeg-turbo/libjpeg-turbo/issues/459#issuecomment-733720010\nhttps://github.com/libjpeg-turbo/libjpeg-turbo/pull/476\nhttps://github.com/libjpeg-turbo/libjpeg-turbo/pull/724" ],
  "name" : "CVE-2021-29390",
  "csaw" : false
}