In libxml2 before 2.15.4, xmlFAParsePosCharGroup has an out-of-bounds read, aka an out-of-bounds read in the NXT macro in xmlregexp.
{
"cna_assigner": "mitre",
"cwe_ids": [
"CWE-125"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/86xxx/CVE-2026-86137.json"
}{
"extracted_events": [
{
"cpe": "cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "2.15.4"
}
],
"source": "CPE_RANGE"
},
{
"range": [
{
"fixed": "76fe08d97de88bfaef2f7d5cd27f11954cc5bee2"
}
],
"source": "REFERENCES_COMMIT"
}
]
}
{
"extracted_events": [
{
"cpe": "cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "2.15.4"
}
],
"source": "CPE_RANGE"
}
]
}