PCRE2 before 10.49, when there is an attacker-controlled regular expression and certain JIT API usage, allows an out-of-bounds write with arbitrary data.
{
"cna_assigner": "mitre",
"cwe_ids": [
"CWE-787"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/103xxx/CVE-2026-103111.json"
}{
"extracted_events": [
{
"introduced": "0"
},
{
"fixed": "10.49"
},
{
"introduced": "PCRE2"
}
],
"source": [
"AFFECTED_FIELD",
"DESCRIPTION"
]
}