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CVE-2026-58085 Missing MAC validation in wg(4) packet decryption

🗓️ 19 Aug 2026 07:38:50Reported by freebsdType 
cvelist
 cvelist
🔗 www.cve.org👁 3 Views

wg(4) driver skips MAC verification after OCF decrypt, allowing forged WireGuard packets to bypass Poly1305 authentication.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
freebsd
FreeBSD
FreeBSD -- Missing MAC validation in wg(4) packet decryption
29 Jul 202600:00
freebsd
cve
CVE
CVE-2026-58085
19 Aug 202607:38
cve
euvd
EUVD
EUVD-2026-62339
19 Aug 202609:31
euvd
freebsd_advisory
FreeBSD Advisory
FreeBSD-SA-26:52.if_wg
29 Jul 202600:00
freebsd_advisory
nessus
Tenable Nessus
FreeBSD : FreeBSD -- Missing MAC validation in wg(4) packet decryption (3840a83e-8bb8-11f1-a6ab-bc241121aa0a)
30 Jul 202600:00
nessus
nvd
NVD
CVE-2026-58085
19 Aug 202608:17
nvd
packetstormnews
Packet Storm News
FreeBSD Security Advisory - FreeBSD-SA-26:52.if_wg
29 Jul 202600:00
packetstormnews
ptsecurity
Positive Technologies
PT-2026-73234
13 Aug 202600:00
ptsecurity
[
  {
    "defaultStatus": "unknown",
    "modules": [
      "if_wg"
    ],
    "product": "FreeBSD",
    "vendor": "FreeBSD",
    "versions": [
      {
        "status": "affected",
        "versionType": "release",
        "version": "15.1-RELEASE",
        "lessThan": "p2"
      },
      {
        "status": "affected",
        "versionType": "release",
        "version": "15.0-RELEASE",
        "lessThan": "p12"
      },
      {
        "status": "affected",
        "versionType": "release",
        "version": "14.4-RELEASE",
        "lessThan": "p8"
      }
    ]
  }
]

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