GHSA-WRHR-RF8J-R842
Vulnerability from github – Published: 2026-03-12 14:04 – Updated: 2026-03-12 14:04
VLAI
Summary
ImageMagick: Heap overflow in pcd decoder leads to out of bounds read.
Details
The pcd coder lacks proper boundary checking when processing Huffman-coded data. The decoder contains an function that has an incorrect initialization that could cause an out of bounds read.
==3900053==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x502000003c6c at pc 0x55601b9cc552 bp 0x7ffd904b1f70 sp 0x7ffd904b1f60
READ of size 1 at 0x502000003c6c thread T0
Severity
6.5 (Medium)
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],
"aliases": [
"CVE-2026-26284"
],
"database_specific": {
"cwe_ids": [
"CWE-122",
"CWE-125"
],
"github_reviewed": true,
"github_reviewed_at": "2026-03-12T14:04:31Z",
"nvd_published_at": "2026-02-24T03:16:01Z",
"severity": "MODERATE"
},
"details": "The pcd coder lacks proper boundary checking when processing Huffman-coded data. The decoder contains an function that has an incorrect initialization that could cause an out of bounds read.\n\n```\n==3900053==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x502000003c6c at pc 0x55601b9cc552 bp 0x7ffd904b1f70 sp 0x7ffd904b1f60\nREAD of size 1 at 0x502000003c6c thread T0\n```",
"id": "GHSA-wrhr-rf8j-r842",
"modified": "2026-03-12T14:04:31Z",
"published": "2026-03-12T14:04:31Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-wrhr-rf8j-r842"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-26284"
},
{
"type": "PACKAGE",
"url": "https://github.com/ImageMagick/ImageMagick"
},
{
"type": "WEB",
"url": "https://github.com/dlemstra/Magick.NET/releases/tag/14.10.3"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L",
"type": "CVSS_V3"
}
],
"summary": "ImageMagick: Heap overflow in pcd decoder leads to out of bounds read."
}
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Sightings
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Browse all ATT&CK techniques and the vulnerabilities related to each.
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