CVE-2019-25033: Unbound before 1.9.5 allows an integer overflow in the regional allocator via the ALIGN_UP macro. NOTE: The vendor disputes that this is a vulnerability…

PriorityP346critical9.8CVSS 3.1

AVNACLPRNUINSUCHIHAH

EPSS

1.78%

75.5th percentile

Unbound before 1.9.5 allows an integer overflow in the regional allocator via the ALIGN_UP macro. NOTE: The vendor disputes that this is a vulnerability. Although the code may be vulnerable, a running Unbound installation cannot be remotely or locally exploited

Affected

7 ranges

Vendor	Product	Version range	Fixed in
debian	debian_linux	—	—
debian	unbound	< unbound 1.9.6-1 (bookworm)	unbound 1.9.6-1 (bookworm)
nlnetlabs	unbound	< 1.9.5	1.9.5
nlnetlabs	unbound	>= 0 < 1.9.6-1	1.9.6-1
nlnetlabs	unbound	>= 0 < 1.9.6-1	1.9.6-1
nlnetlabs	unbound	>= 0 < 1.9.6-1	1.9.6-1
nlnetlabs	unbound	>= 0 < 1.9.6-1	1.9.6-1

CVSS provenance

nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

nvdv2.07.5HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P

osv9.8CRITICAL

vendor_debian9.8LOW

vendor_redhat9.8CRITICAL

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