mutt before 2.3.2 has an infinite loop in dataobjectto_stream in crypt-gpgme.c.
{
"cwe_ids": [
"CWE-253"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43863.json",
"cna_assigner": "mitre"
}"2026-08-12T16:24:25Z"
[
{
"id": "CVE-2026-43863-5d94f00f",
"deprecated": false,
"signature_type": "Function",
"signature_version": "v1",
"digest": {
"length": 665.0,
"function_hash": "291780642740665739145790585489475175920"
},
"source": "https://github.com/muttmua/mutt/commit/fdc04a171777327218a1e78db504926c388b48c4",
"target": {
"function": "data_object_to_stream",
"file": "crypt-gpgme.c"
}
},
{
"id": "CVE-2026-43863-6152f419",
"deprecated": false,
"signature_type": "Line",
"signature_version": "v1",
"digest": {
"threshold": 0.9,
"line_hashes": [
"72667749872040532556909085062395333088",
"5330007247927108908134823818397956359",
"299880176779277435951141385634128707486",
"76412029671035022022562424004978624116"
]
},
"source": "https://github.com/muttmua/mutt/commit/fdc04a171777327218a1e78db504926c388b48c4",
"target": {
"file": "crypt-gpgme.c"
}
}
]
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-43863.json"