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vuln-cve/data/2026/66xxx/CVE-2026-66759.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-66759",
"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
"state": "PUBLISHED",
"assignerShortName": "redhat",
"dateReserved": "2026-07-27T17:24:27.249Z",
"datePublished": "2026-07-27T19:12:27.455Z",
"dateUpdated": "2026-11-05T22:13:21.283Z"
},
"containers": {
"cna": {
"title": "Gimp: out-of-bounds read in file-icns plugin causes information disclosure or crash on crafted icns images",
"metrics": [
{
"other": {
"content": {
"value": "Moderate",
"namespace": "https://access.redhat.com/security/updates/classification/"
},
"type": "Red Hat severity rating"
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},
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.1,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H",
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"lang": "en",
"value": "A flaw was found in the file-icns plugin in GIMP. When applying a decompressed mask during ICNS image processing, the plugin reads from the mask data buffer without verifying if the cursor exceeds the allocated resource size. If a crafted file contains a truncated mask resource, the icns_decompress function continues reading past the bounds of the buffer. This out-of-bounds read vulnerability results in information disclosure of heap contents, where memory contents are leaked as alpha channel pixel values, or a crash leading to a denial of service if unmapped memory is accessed."
}
],
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"vendor": "GNOME",
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"status": "affected",
"version": "2.99.14",
"lessThan": "*",
"versionType": "semver"
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"defaultStatus": "unaffected"
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"vendor": "Red Hat",
"product": "Red Hat Enterprise Linux 9",
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"version": "2:3.0.4-4.el9_8.9",
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"packageName": "gimp:2.8/gimp",
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"references": [
{
"url": "https://access.redhat.com/errata/RHSA-2026:50817",
"name": "RHSA-2026:50817",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT"
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},
{
"url": "https://access.redhat.com/security/cve/CVE-2026-66759",
"tags": [
"vdb-entry",
"x_refsource_REDHAT"
]
},
{
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2507557",
"name": "RHBZ#2507557",
"tags": [
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},
{
"url": "https://gitlab.gnome.org/GNOME/gimp/-/issues/16528"
}
],
"datePublic": "2026-07-07T00:00:00.000Z",
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-125",
"description": "Out-of-bounds Read",
"lang": "en",
"type": "CWE"
}
]
}
],
"x_redhatCweChain": "CWE-125: Out-of-bounds Read",
"workarounds": [
{
"lang": "en",
"value": "To mitigate this vulnerability, do not open ICNS files from untrusted sources with GIMP."
}
],
"timeline": [
{
"lang": "en",
"time": "2026-07-07T00:00:00.000Z",
"value": "Reported to Red Hat."
},
{
"lang": "en",
"time": "2026-07-07T00:00:00.000Z",
"value": "Made public."
}
],
"credits": [
{
"lang": "en",
"value": "Red Hat would like to thank Tristan Madani for reporting this issue."
}
],
"providerMetadata": {
"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
"shortName": "redhat",
"dateUpdated": "2026-11-05T22:13:21.283Z"
},
"x_generator": {
"engine": "cvelib 1.8.0"
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},
"adp": [
{
"references": [
{
"url": "https://gitlab.gnome.org/GNOME/gimp/-/issues/16528",
"tags": [
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}
],
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-07-27T19:25:27.419672Z",
"id": "CVE-2026-66759",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
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"dateUpdated": "2026-07-27T19:26:17.337Z"
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}