The vulnerability of the ioctl request handler CONS_HISTORY in FreeBSD’s operating systems allows a attacker to increase their privileges and execute arbitrary code.
🗓️ 10 Aug 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 2 Views
| Reporter | Title | Published | Views | Family All 12 |
|---|---|---|---|---|
 | FreeBSD -- Integer overflow in vt(4) CONS_HISTORY ioctl | 9 Jun 202600:00 | – | freebsd |
 | CVE-2026-49416 | 27 Jun 202609:25 | – | attackerkb |
 | CVE-2026-49416 | 27 Jun 202613:55 | – | circl |
 | CVE-2026-49416 | 27 Jun 202609:25 | – | cve |
 | CVE-2026-49416 Integer overflow in vt(4) CONS_HISTORY ioctl | 27 Jun 202609:25 | – | cvelist |
 | EUVD-2026-39960 | 27 Jun 202609:25 | – | euvd |
 | FreeBSD-SA-26:34.vt | 9 Jun 202600:00 | – | freebsd_advisory |
 | FreeBSD : FreeBSD -- Integer overflow in vt(4) CONS_HISTORY ioctl (71036b90-6476-11f1-958d-bc241121aa0a) | 11 Jun 202600:00 | – | nessus |
 | CVE-2026-49416 | 27 Jun 202610:16 | – | nvd |
 | FreeBSD Security Advisory - FreeBSD-SA-26:34.vt | 9 Jun 202600:00 | – | packetstormnews |
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10 Aug 2026 00:00Current
5.7Medium risk
Vulners AI Score5.7
CVSS 26.8
CVSS 37.8
EPSS0.00107