{
  "threat_severity" : "Moderate",
  "public_date" : "2026-05-09T04:09:01Z",
  "bugzilla" : {
    "description" : "Pillow: python: Pillow: Denial of Service via integer overflow in font processing",
    "id" : "2468457",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2468457"
  },
  "cvss3" : {
    "cvss3_base_score" : "6.2",
    "cvss3_scoring_vector" : "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
    "status" : "draft"
  },
  "cwe" : "CWE-190",
  "details" : [ "Pillow is a Python imaging library. Prior to version 12.2.0, if a font advances for each glyph by an exceeding large amount, when Pillow keeps track of the current position, it may lead to an integer overflow. This issue has been patched in version 12.2.0.", "A flaw was found in Pillow, a Python imaging library. If a font advances for each glyph by an exceeding large amount, an integer overflow can occur when Pillow tracks the current position. This could lead to a denial of service (DoS) condition, making the application unavailable." ],
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  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2026-42308\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-42308\nhttps://github.com/python-pillow/Pillow/releases/tag/12.2.0\nhttps://github.com/python-pillow/Pillow/security/advisories/GHSA-wjx4-4jcj-g98j" ],
  "name" : "CVE-2026-42308",
  "mitigation" : {
    "value" : "To mitigate this issue, ensure that applications utilizing the Pillow library do not process untrusted or maliciously crafted font files. Additionally, consider running applications that process image data in a sandboxed environment to limit potential impact. Reloading or restarting affected services may be required for changes to take effect.",
    "lang" : "en:us"
  },
  "csaw" : false
}