xmlparse.c in Expat (aka libexpat) before 2.4.5 allows attackers to insert namespace-separator characters into namespace URIs.
{
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/25xxx/CVE-2022-25236.json",
"cna_assigner": "mitre"
}