GHSA-7H7Q-J33Q-HVPF
Vulnerability from github – Published: 2026-03-12 14:11 – Updated: 2026-03-12 14:11
VLAI?
Summary
ImageMagick has stack write buffer overflow in MNG encoder
Details
A stack buffer overflow vulnerability exists in the MNG encoder. There is a bounds checks missing that could corrupting the stack with attacker-controlled data.
==2265506==ERROR: AddressSanitizer: stack-buffer-overflow on address 0x7ffec4971310 at pc 0x55e671b8a072 bp 0x7ffec4970f70 sp 0x7ffec4970f68
WRITE of size 1 at 0x7ffec4971310 thread T0
Severity ?
6.9 (Medium)
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"aliases": [
"CVE-2026-28690"
],
"database_specific": {
"cwe_ids": [
"CWE-121"
],
"github_reviewed": true,
"github_reviewed_at": "2026-03-12T14:11:47Z",
"nvd_published_at": "2026-03-10T07:43:44Z",
"severity": "MODERATE"
},
"details": "A stack buffer overflow vulnerability exists in the MNG encoder. There is a bounds checks missing that could corrupting the stack with attacker-controlled data.\n\n```\n==2265506==ERROR: AddressSanitizer: stack-buffer-overflow on address 0x7ffec4971310 at pc 0x55e671b8a072 bp 0x7ffec4970f70 sp 0x7ffec4970f68\nWRITE of size 1 at 0x7ffec4971310 thread T0\n```",
"id": "GHSA-7h7q-j33q-hvpf",
"modified": "2026-03-12T14:11:47Z",
"published": "2026-03-12T14:11:47Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-7h7q-j33q-hvpf"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-28690"
},
{
"type": "PACKAGE",
"url": "https://github.com/ImageMagick/ImageMagick"
},
{
"type": "WEB",
"url": "https://github.com/dlemstra/Magick.NET/releases/tag/14.10.4"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:H",
"type": "CVSS_V3"
}
],
"summary": "ImageMagick has stack write buffer overflow in MNG encoder"
}
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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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