GHSA-QPGX-JFCQ-R59F
Vulnerability from github – Published: 2026-02-25 19:24 – Updated: 2026-02-25 19:24
VLAI?
Summary
ImageMagick: Heap Buffer Over-read in WaveletDenoise when processing small images
Details
A heap buffer over-read vulnerability occurs when processing an image with small dimension using the -wavelet-denoise operator.
==3693336==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x511000001280 at pc 0x5602c8b0cc75 bp 0x7ffcb105d510 sp 0x7ffcb105d500
READ of size 4 at 0x511000001280 thread T0
Severity ?
4.0 (Medium)
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],
"aliases": [
"CVE-2026-27798"
],
"database_specific": {
"cwe_ids": [
"CWE-125",
"CWE-126"
],
"github_reviewed": true,
"github_reviewed_at": "2026-02-25T19:24:05Z",
"nvd_published_at": null,
"severity": "MODERATE"
},
"details": "A heap buffer over-read vulnerability occurs when processing an image with small dimension using the `-wavelet-denoise` operator.\n\n```\n==3693336==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x511000001280 at pc 0x5602c8b0cc75 bp 0x7ffcb105d510 sp 0x7ffcb105d500\nREAD of size 4 at 0x511000001280 thread T0\n```",
"id": "GHSA-qpgx-jfcq-r59f",
"modified": "2026-02-25T19:24:05Z",
"published": "2026-02-25T19:24:05Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-qpgx-jfcq-r59f"
},
{
"type": "WEB",
"url": "https://github.com/ImageMagick/ImageMagick/commit/0377e60b3c0d766bd7271221c95d9ee54f6a3738"
},
{
"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:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
"type": "CVSS_V3"
}
],
"summary": "ImageMagick: Heap Buffer Over-read in WaveletDenoise when processing small images"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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