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vuln-cve/data/2025/66xxx/CVE-2025-66293.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2025-66293",
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"state": "PUBLISHED",
"assignerShortName": "GitHub_M",
"dateReserved": "2025-11-26T23:11:46.392Z",
"datePublished": "2025-12-03T20:33:57.086Z",
"dateUpdated": "2025-12-04T01:31:47.574Z"
},
"containers": {
"cna": {
"title": "LIBPNG has an out-of-bounds read in png_image_read_composite",
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-125",
"lang": "en",
"description": "CWE-125: Out-of-bounds Read",
"type": "CWE"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.1,
"baseSeverity": "HIGH",
"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H",
"version": "3.1"
}
}
],
"references": [
{
"name": "https://github.com/pnggroup/libpng/security/advisories/GHSA-9mpm-9pxh-mg4f",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/pnggroup/libpng/security/advisories/GHSA-9mpm-9pxh-mg4f"
},
{
"name": "https://github.com/pnggroup/libpng/issues/764",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/pnggroup/libpng/issues/764"
},
{
"name": "https://github.com/pnggroup/libpng/commit/788a624d7387a758ffd5c7ab010f1870dea753a1",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/pnggroup/libpng/commit/788a624d7387a758ffd5c7ab010f1870dea753a1"
},
{
"name": "https://github.com/pnggroup/libpng/commit/a05a48b756de63e3234ea6b3b938b8f5f862484a",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/pnggroup/libpng/commit/a05a48b756de63e3234ea6b3b938b8f5f862484a"
}
],
"affected": [
{
"vendor": "pnggroup",
"product": "libpng",
"versions": [
{
"version": "< 1.6.52",
"status": "affected"
}
]
}
],
"providerMetadata": {
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M",
"dateUpdated": "2025-12-03T20:33:57.086Z"
},
"descriptions": [
{
"lang": "en",
"value": "LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. Prior to 1.6.52, an out-of-bounds read vulnerability in libpng's simplified API allows reading up to 1012 bytes beyond the png_sRGB_base[512] array when processing valid palette PNG images with partial transparency and gamma correction. The PNG files that trigger this vulnerability are valid per the PNG specification; the bug is in libpng's internal state management. Upgrade to libpng 1.6.52 or later."
}
],
"source": {
"advisory": "GHSA-9mpm-9pxh-mg4f",
"discovery": "UNKNOWN"
}
},
"adp": [
{
"references": [
{
"url": "https://github.com/pnggroup/libpng/issues/764",
"tags": [
"exploit"
]
}
],
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2025-12-03T20:52:13.771582Z",
"id": "CVE-2025-66293",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2025-12-03T20:55:03.573Z"
}
},
{
"title": "CVE Program Container",
"references": [
{
"url": "http://www.openwall.com/lists/oss-security/2025/12/03/6"
},
{
"url": "http://www.openwall.com/lists/oss-security/2025/12/03/7"
},
{
"url": "http://www.openwall.com/lists/oss-security/2025/12/03/8"
}
],
"providerMetadata": {
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE",
"dateUpdated": "2025-12-04T01:31:47.574Z"
}
}
]
}
}