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vuln-cve/data/2026/12xxx/CVE-2026-12993.json
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{
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"cveId": "CVE-2026-12993",
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"state": "PUBLISHED",
"assignerShortName": "redhat",
"dateReserved": "2026-06-23T12:18:15.412Z",
"datePublished": "2026-06-25T23:23:20.902Z",
"dateUpdated": "2026-11-06T04:08:27.577Z"
},
"containers": {
"cna": {
"title": "Apicurio/apicurio-registry: apicurio-registry: xml entity-expansion denial of service via internal dtd subset",
"metrics": [
{
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"content": {
"value": "Moderate",
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"type": "Red Hat severity rating"
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},
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
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],
"descriptions": [
{
"lang": "en",
"value": "A flaw was found in Apicurio Registry. The DocumentBuilderAccessor correctly blocks external DTD and schema access but does not disable DOCTYPE declarations or enable FEATURE_SECURE_PROCESSING. An attacker with artifact-write permission can upload XML documents with internal entity-expansion payloads (billion-laughs variant) that cause CPU and heap exhaustion, partially mitigated by the JAXP default 64,000 entity-expansion limit."
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],
"affected": [
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"product": "Red Hat build of Apicurio Registry 3.3.1",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"defaultStatus": "unaffected",
"packageName": "apicurio/apicurio-registry-rhel8",
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{
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{
"url": "https://access.redhat.com/errata/RHSA-2026:59360",
"name": "RHSA-2026:59360",
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},
{
"url": "https://access.redhat.com/security/cve/CVE-2026-12993",
"tags": [
"vdb-entry",
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]
},
{
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2491692",
"name": "RHBZ#2491692",
"tags": [
"issue-tracking",
"x_refsource_REDHAT"
]
}
],
"datePublic": "2026-06-10T13:00:00.000Z",
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-776",
"description": "Improper Restriction of Recursive Entity References in DTDs",
"lang": "en",
"type": "CWE"
}
]
}
],
"x_redhatCweChain": "CWE-776: Improper Restriction of Recursive Entity References in DTDs",
"timeline": [
{
"lang": "en",
"time": "2026-05-24T00:00:00.000Z",
"value": "Reported to Red Hat."
},
{
"lang": "en",
"time": "2026-06-10T13:00:00.000Z",
"value": "Made public."
}
],
"providerMetadata": {
"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
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"dateUpdated": "2026-11-06T04:08:27.577Z"
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"x_generator": {
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},
"adp": [
{
"metrics": [
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"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-06-29T18:12:03.315836Z",
"id": "CVE-2026-12993",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
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}
],
"title": "CISA ADP Vulnrichment",
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}