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vuln-cve/data/2026/57xxx/CVE-2026-57077.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-57077",
"assignerOrgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
"state": "PUBLISHED",
"assignerShortName": "CPANSec",
"dateReserved": "2026-06-23T18:02:32.995Z",
"datePublished": "2026-07-16T21:41:52.038Z",
"dateUpdated": "2026-07-17T13:05:34.286Z"
},
"containers": {
"cna": {
"affected": [
{
"collectionURL": "https://cpan.org/modules",
"defaultStatus": "unaffected",
"packageName": "YAML-Syck",
"product": "YAML::Syck",
"programFiles": [
"token.c"
],
"programRoutines": [
{
"name": "newline_len"
},
{
"name": "is_newline"
}
],
"repo": "https://github.com/toddr/YAML-Syck",
"vendor": "TODDR",
"versions": [
{
"lessThan": "1.47",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "YAML::Syck versions before 1.47 for Perl allow an out-of-bounds read via an unbounded newline scan in newline_len.\n\nIn the bundled libsyck newline_len and is_newline dereference the scan pointer, and the following byte for a \"\\r\\n\" pair, with no NUL-terminator or bounds check. During block-scalar lexing at a document boundary the scan runs one byte past the heap lexer buffer. This is an incomplete fix of CVE-2025-11683, on a lexer path the earlier fix did not cover.\n\nAny caller that runs Load or LoadFile on an untrusted document with a block scalar at a document boundary reaches the over-read."
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-125",
"description": "CWE-125 Out-of-bounds Read",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"orgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
"shortName": "CPANSec",
"dateUpdated": "2026-07-16T21:41:52.038Z"
},
"references": [
{
"tags": [
"release-notes"
],
"url": "https://metacpan.org/release/TODDR/YAML-Syck-1.47/changes"
},
{
"tags": [
"patch"
],
"url": "https://github.com/toddr/YAML-Syck/commit/44c90a109ec3215ee7ce747bd11209835e123d8b.patch"
},
{
"tags": [
"related"
],
"url": "https://www.cve.org/CVERecord?id=CVE-2025-11683"
}
],
"solutions": [
{
"lang": "en",
"value": "Upgrade to YAML-Syck 1.47 or later."
}
],
"source": {
"discovery": "UNKNOWN"
},
"title": "YAML::Syck versions before 1.47 for Perl allow an out-of-bounds read via an unbounded newline scan in newline_len",
"x_generator": {
"engine": "cpansec-cna-tool 0.1"
}
},
"adp": [
{
"metrics": [
{
"cvssV3_1": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 7.7,
"attackVector": "LOCAL",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "NONE",
"confidentialityImpact": "HIGH"
}
},
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-07-17T13:05:26.689858Z",
"id": "CVE-2026-57077",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-07-17T13:05:34.286Z"
}
}
]
}
}