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vuln-cve/data/2026/14xxx/CVE-2026-14677.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-14677",
"assignerOrgId": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007",
"state": "PUBLISHED",
"assignerShortName": "PostgreSQL",
"dateReserved": "2026-07-03T20:28:16.721Z",
"datePublished": "2026-08-13T13:00:08.067Z",
"dateUpdated": "2026-08-29T23:07:20.774Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007",
"shortName": "PostgreSQL",
"dateUpdated": "2026-08-29T23:07:20.774Z"
},
"title": "PostgreSQL 32-bit pltcl and plperl undersize allocations, via integer wraparound",
"x_postgresql": {
"component": "core server"
},
"descriptions": [
{
"lang": "en",
"value": "Integer wraparound in PostgreSQL 32-bit builds of pltcl and plperl allows an object creator to cause the server to undersize an allocation and write out-of-bounds via crafted function bodies. This may execute arbitrary code as the operating system user running the database. CVE-2026-6473 had fixed similar problems. Versions before PostgreSQL 18.6, 17.11, 16.15, 15.19, and 14.24 are affected."
}
],
"affected": [
{
"defaultStatus": "unaffected",
"product": "PostgreSQL",
"vendor": "n/a",
"versions": [
{
"lessThan": "18.6",
"status": "affected",
"version": "18",
"versionType": "rpm"
},
{
"lessThan": "17.11",
"status": "affected",
"version": "17",
"versionType": "rpm"
},
{
"lessThan": "16.15",
"status": "affected",
"version": "16",
"versionType": "rpm"
},
{
"lessThan": "15.19",
"status": "affected",
"version": "15",
"versionType": "rpm"
},
{
"lessThan": "14.24",
"status": "affected",
"version": "0",
"versionType": "rpm"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"lang": "en",
"cweId": "CWE-190",
"type": "CWE",
"description": "Integer Overflow or Wraparound"
}
]
}
],
"references": [
{
"url": "https://www.postgresql.org/support/security/CVE-2026-14677/"
}
],
"metrics": [
{
"format": "CVSS",
"cvssV3_1": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"baseScore": 8.8,
"baseSeverity": "HIGH"
}
}
],
"configurations": [
{
"lang": "en",
"value": "Attacker has permission to \"CREATE EXTENSION plperl\" or \"CREATE EXTENSION pltcl\"; alternatively, another user previously issued one of those. Attacker has permission to create objects (temporary objects or non-temporary objects in at least one schema)."
}
],
"credits": [
{
"lang": "en",
"value": "The PostgreSQL project thanks Tulya Project, Team Dhiutsa, Bitecope Technologies Private Ltd for reporting this problem."
}
]
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-08-13T00:00:00+00:00",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"version": "2.0.3",
"id": "CVE-2026-14677"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-08-14T03:55:42.134Z"
}
}
]
}
}