In OpenBSD 7.6 before errata 006 and OpenBSD 7.5 before errata 015, traffic sent over wg(4) could result in kernel crash.
{
"cna_assigner": "cisa-cg",
"cwe_ids": [
"CWE-131"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/30xxx/CVE-2025-30334.json",
"unresolved_ranges": [
{
"extracted_events": [
{
"range": [
{
"introduced": "7.6"
},
{
"fixed": "7.6 errata 006"
},
{
"introduced": "7.5"
},
{
"fixed": "7.5 errata 015"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandardRange"
}
]
}
]
}"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-30334.json"
[
{
"deprecated": false,
"digest": {
"function_hash": "216188919336063026041902814142812308464",
"length": 1595
},
"id": "CVE-2025-30334-0d469a16",
"signature_type": "Function",
"signature_version": "v1",
"source": "https://github.com/openbsd/src/commit/c06199859734d958552a581d72b4c0f910e68d7c",
"target": {
"file": "sys/net/if_wg.c",
"function": "wg_encap"
}
},
{
"deprecated": false,
"digest": {
"function_hash": "120520610405388594525371185532986627690",
"length": 648
},
"id": "CVE-2025-30334-1602240c",
"signature_type": "Function",
"signature_version": "v1",
"source": "https://github.com/openbsd/src/commit/c06199859734d958552a581d72b4c0f910e68d7c",
"target": {
"file": "sys/net/if_wg.c",
"function": "wg_send_keepalive"
}
},
{
"deprecated": false,
"digest": {
"line_hashes": [
"83343953805146044242264980070978435343",
"299364561509663440177361655134551193840",
"42088115300762091289946004776903443155",
"265094828541947898560976553936455603584",
"147368607334420913678113574538032731937",
"23634279383864034457098534962883364127",
"69652920451318715628709566626887061648",
"255018818678037629217393543231696548328",
"246008076811899083045407795505263646067",
"253672565478662964469437573925979673654",
"126977874363448193900361047208821284362",
"81348200111137290221100445459052716738",
"44060543386248363908633129975864509639",
"268106267825389395503286251315629441475",
"30502288272547523623601177062444854684",
"70520756014127117439495968481033433584",
"49629254913426394278187746794667044948",
"66520383006974392233340702506935621603",
"46152388312246980332187119043923305236",
"204032009078146271638363464061871474193",
"253866739769580325646174072113737813191",
"157863860938673406936371266240450837602",
"260933346738031239626993782038779664768",
"15448824986671318451163544369947656167",
"332987177094974240217217779281085703214",
"65838268489895091308104963147271611960",
"326857049190610354083714125048985539168"
],
"threshold": 0.9
},
"id": "CVE-2025-30334-5e25f91f",
"signature_type": "Line",
"signature_version": "v1",
"source": "https://github.com/openbsd/src/commit/c06199859734d958552a581d72b4c0f910e68d7c",
"target": {
"file": "sys/net/if_wg.c"
}
},
{
"deprecated": false,
"digest": {
"function_hash": "84261944810268550346371219159969192448",
"length": 554
},
"id": "CVE-2025-30334-6376a83c",
"signature_type": "Function",
"signature_version": "v1",
"source": "https://github.com/openbsd/src/commit/c06199859734d958552a581d72b4c0f910e68d7c",
"target": {
"file": "sys/net/if_wg.c",
"function": "wg_send_buf"
}
}
]
"2026-10-21T09:06:52Z"