An issue was discovered in Mutt before 1.10.1 and NeoMutt before 2018-07-16. pop.c mishandles a zero-length UID.
{
"unresolved_ranges": [
{
"vendor_product": "canonical:ubuntu_linux",
"extracted_events": [
{
"introduced": "16.04"
},
{
"last_affected": "16.04"
}
],
"source": "CPE_STRING",
"cpes": [
"cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*"
]
},
{
"vendor_product": "debian:debian_linux",
"extracted_events": [
{
"introduced": "8.0"
},
{
"last_affected": "8.0"
},
{
"introduced": "9.0"
},
{
"last_affected": "9.0"
}
],
"source": "CPE_STRING",
"cpes": [
"cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
]
}
]
}{
"cpe": "cpe:2.3:a:neomutt:neomutt:*:*:*:*:*:*:*:*",
"extracted_events": [
{
"introduced": "0"
},
{
"fixed": "20180716"
}
],
"source": [
"CPE_RANGE",
"REFERENCES"
]
}"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2018-14356.json"
"2026-07-09T01:16:34Z"
[
{
"target": {
"function": "fetch_uidl",
"file": "pop.c"
},
"deprecated": false,
"id": "CVE-2018-14356-263ce318",
"signature_type": "Function",
"digest": {
"function_hash": "214779869344275749438539806132619455272",
"length": 862.0
},
"source": "https://github.com/neomutt/neomutt/commit/93b8ac558752d09e1c56d4f1bc82631316fa9c82",
"signature_version": "v1"
},
{
"target": {
"file": "pop.c"
},
"deprecated": false,
"id": "CVE-2018-14356-d5b18b28",
"signature_type": "Line",
"digest": {
"line_hashes": [
"183900168417652641200592331176789393976",
"12136713607176310715405667071917061014",
"97793888614729856506731367925857897308"
],
"threshold": 0.9
},
"source": "https://github.com/neomutt/neomutt/commit/93b8ac558752d09e1c56d4f1bc82631316fa9c82",
"signature_version": "v1"
}
]
{
"cpe": "cpe:2.3:a:mutt:mutt:*:*:*:*:*:*:*:*",
"extracted_events": [
{
"introduced": "0"
},
{
"fixed": "1.10.1"
}
],
"source": [
"CPE_RANGE",
"REFERENCES"
]
}"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2018-14356.json"
"2026-07-09T01:16:34Z"
[
{
"target": {
"file": "pop.c"
},
"deprecated": false,
"id": "CVE-2018-14356-9540e57f",
"signature_type": "Line",
"digest": {
"line_hashes": [
"183900168417652641200592331176789393976",
"302077254245696924769674009380705740272",
"201508763138501646174767155346071602360"
],
"threshold": 0.9
},
"source": "https://gitlab.com/muttmua/mutt@e154cba1b3fc52bb8cb8aa846353c0db79b5d9c6",
"signature_version": "v1"
},
{
"target": {
"function": "fetch_uidl",
"file": "pop.c"
},
"deprecated": false,
"id": "CVE-2018-14356-96bcf9dc",
"signature_type": "Function",
"digest": {
"function_hash": "178171658824911686137081369592429687820",
"length": 884.0
},
"source": "https://gitlab.com/muttmua/mutt@e154cba1b3fc52bb8cb8aa846353c0db79b5d9c6",
"signature_version": "v1"
}
]