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CVE-2026-49416 Integer overflow in vt(4) CONS_HISTORY ioctl

🗓️ 27 Jun 2026 09:25:12Reported by freebsdType 
cvelist
 cvelist
🔗 www.cve.org👁 70 Views

Integer overflow in vt(4) CONS_HISTORY ioctl causes too-small heap allocation and out-of-bounds write that enables privilege escalation.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
freebsd
FreeBSD
FreeBSD -- Integer overflow in vt(4) CONS_HISTORY ioctl
9 Jun 202600:00
–freebsd
attackerkb
attackerkb
CVE-2026-49416
27 Jun 202609:25
–attackerkb
bdu_fstec
BDU FSTEC
FreeBSD ioctl Privilege Escalation
10 Aug 202600:00
–bdu_fstec
circl
Circl
CVE-2026-49416
27 Jun 202613:55
–circl
cve
CVE
CVE-2026-49416
27 Jun 202609:25
–cve
euvd
EUVD
EUVD-2026-39960
27 Jun 202609:25
–euvd
freebsd_advisory
FreeBSD Advisory
FreeBSD-SA-26:34.vt
9 Jun 202600:00
–freebsd_advisory
nessus
Tenable Nessus
FreeBSD : FreeBSD -- Integer overflow in vt(4) CONS_HISTORY ioctl (71036b90-6476-11f1-958d-bc241121aa0a)
11 Jun 202600:00
–nessus
mend
Mend
CVE-2026-49416
27 Jun 202609:25
–mend
nvd
NVD
CVE-2026-49416
27 Jun 202610:16
–nvd
Rows per page
[
  {
    "defaultStatus": "unknown",
    "modules": [
      "vt"
    ],
    "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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27 Jun 2026 09:25Current
CVSS 3.17.8
EPSS0.00153
SSVC
70