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EUVD-2026-62239

🗓️ 19 Aug 2026 05:15:21Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 26 Views

ZFS_IOC_USERSPACE_MANY truncates 64-bit buffer size to 32-bit, causing kernel heap overflow and privilege escalation.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
freebsd
FreeBSD
FreeBSD -- Multiple vulnerabilities in OpenZFS
30 Jun 202600:00
–freebsd
bdu_fstec
BDU FSTEC
OpenZFS Heap Buffer Overflow Privilege Escalation
12 Aug 202600:00
–bdu_fstec
circl
Circl
CVE-2026-49429
6 Jul 202601:35
–circl
cve
CVE
CVE-2026-49429
19 Aug 202605:15
–cve
cvelist
Cvelist
CVE-2026-49429 Kernel heap overflow in ZFS_IOC_USERSPACE_MANY ioctl
19 Aug 202605:15
–cvelist
freebsd_advisory
FreeBSD Advisory
FreeBSD-SA-26:40.zfs
30 Jun 202600:00
–freebsd_advisory
nessus
Tenable Nessus
FreeBSD : FreeBSD -- Multiple vulnerabilities in OpenZFS (9534b664-74e1-11f1-958d-bc241121aa0a)
1 Jul 202600:00
–nessus
mend
Mend
CVE-2026-49429
19 Aug 202605:15
–mend
nvd
NVD
CVE-2026-49429
19 Aug 202606:17
–nvd
packetstormnews
Packet Storm News
FreeBSD Security Advisory - FreeBSD-SA-26:40.zfs
30 Jun 202600:00
–packetstormnews
Rows per page
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        "vendor": {
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        },
        "product_version": "15.1-RELEASE <p1"
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19 Aug 2026 12:16Current
7.5High risk
Vulners AI Score7.5
CVSS 3.17.8
EPSS0.00153
26