In libexpat before 2.7.4, XML_ExternalEntityParserCreate does not copy unknown encoding handler user data.
{
"cna_assigner": "mitre",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/24xxx/CVE-2026-24515.json",
"cwe_ids": [
"CWE-476"
]
}{
"source": [
"AFFECTED_FIELD",
"CPE_RANGE"
],
"extracted_events": [
{
"introduced": "0"
},
{
"fixed": "2.7.4"
},
{
"introduced": "0"
},
{
"fixed": "2.7.4"
}
],
"cpe": "cpe:2.3:a:libexpat_project:libexpat:*:*:*:*:*:*:*:*"
}