GHSA-R39Q-JR8H-GCQ2
Vulnerability from github – Published: 2026-03-12 14:08 – Updated: 2026-03-12 14:08
VLAI?
Summary
ImageMagick has Integer Overflow leading to out of bounds write in SIXEL decoder
Details
An integer overflow vulnerability exists in the SIXEL decoer. The vulnerability allows an attacker to perform an out of bounds via a specially crafted mage.
Severity ?
6.5 (Medium)
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"aliases": [
"CVE-2026-28493"
],
"database_specific": {
"cwe_ids": [
"CWE-190"
],
"github_reviewed": true,
"github_reviewed_at": "2026-03-12T14:08:20Z",
"nvd_published_at": "2026-03-10T07:43:39Z",
"severity": "MODERATE"
},
"details": "An integer overflow vulnerability exists in the SIXEL decoer. The vulnerability allows an attacker to perform an out of bounds via a specially crafted mage.",
"id": "GHSA-r39q-jr8h-gcq2",
"modified": "2026-03-12T14:08:20Z",
"published": "2026-03-12T14:08:20Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-r39q-jr8h-gcq2"
},
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"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-28493"
},
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"type": "PACKAGE",
"url": "https://github.com/ImageMagick/ImageMagick"
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"schema_version": "1.4.0",
"severity": [
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"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H",
"type": "CVSS_V3"
}
],
"summary": "ImageMagick has Integer Overflow leading to out of bounds write in SIXEL decoder"
}
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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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