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CVE-2026-45257 Arbitrary file overwrite via the KTLS receive path

🗓️ 26 Jun 2026 14:50:27Reported by freebsdType 
cvelist
 cvelist
🔗 www.cve.org👁 3 Views

Unprivileged user can overwrite a file via KTLS receive path on loopback, corrupting file cache and escalating privileges.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
Circl
CVE-2026-45257
10 Jun 202621:43
circl
CVE
CVE-2026-45257
26 Jun 202614:50
cve
EUVD
EUVD-2026-39780
26 Jun 202614:50
euvd
FreeBSD
FreeBSD -- Arbitrary file overwrite via the KTLS receive path
9 Jun 202600:00
freebsd
FreeBSD Advisory
FreeBSD-SA-26:26.ktls
9 Jun 202600:00
freebsd_advisory
Tenable Nessus
FreeBSD : FreeBSD -- Arbitrary file overwrite via the KTLS receive path (f2c4892a-6472-11f1-958d-bc241121aa0a)
11 Jun 202600:00
nessus
NVD
CVE-2026-45257
26 Jun 202615:16
nvd
Packet Storm News
FreeBSD Security Advisory - FreeBSD-SA-26:26.ktls
9 Jun 202600:00
packetstormnews
Positive Technologies
PT-2026-48611
13 May 202600:00
ptsecurity
Vulnrichment
CVE-2026-45257 Arbitrary file overwrite via the KTLS receive path
26 Jun 202614:50
vulnrichment
Rows per page
[
  {
    "defaultStatus": "unknown",
    "modules": [
      "ktls"
    ],
    "product": "FreeBSD",
    "vendor": "FreeBSD",
    "versions": [
      {
        "status": "affected",
        "versionType": "release",
        "version": "15.0-RELEASE",
        "lessThan": "p10"
      },
      {
        "status": "affected",
        "versionType": "release",
        "version": "14.4-RELEASE",
        "lessThan": "p6"
      },
      {
        "status": "affected",
        "versionType": "release",
        "version": "14.3-RELEASE",
        "lessThan": "p15"
      }
    ]
  }
]

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