CVE-2019-25032 Integer overflow in n/a

Critical 9.8 Published Updated

An integer overflow in the regional allocator of the Unbound DNS resolver could potentially lead to a denial of service, though exploitation is disputed.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2019-25032?

CVE-2019-25032 is a critical vulnerability in Debian Debian Linux, published on 27 Apr 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Unbound before 1.9.5 allows an integer overflow in the regional allocator via regional_alloc. 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

Weakness: CWE-190

Which versions are affected by CVE-2019-25032?

It affects 2 products.

Products include Debian Debian Linux, Nlnetlabs Unbound.

How do I fix CVE-2019-25032?

Upgrade to a fixed version.

Is CVE-2019-25032 being exploited?

There is no known exploitation of CVE-2019-25032 in the wild and no public exploit code.

All Debian Debian Linux vulnerabilities

Sources

Also known as DEBIAN-CVE-2019-25032, GHSA-jm8p-cr8m-9qqg, UBUNTU-CVE-2019-25032.

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