CVE-2021-35944 Memory corruption in n/a

High 7.5 Published Updated

A buffer overflow in Couchbase Server allows remote attackers to crash the memcached service via specially crafted network packets.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2021-35944?

CVE-2021-35944 is a high-severity memory corruption vulnerability in Couchbase Couchbase Server, published on 29 Sep 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Couchbase Server 6.5.x, 6.6.x through 6.6.2, and 7.0.0 has a Buffer Overflow. A specially crafted network packet sent from an attacker can crash memcached.

Weakness: CWE-120

Which versions are affected by CVE-2021-35944?

It affects 1 product.

Products include Couchbase Couchbase Server.

How do I fix CVE-2021-35944?

No fix has been published for CVE-2021-35944 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2021-35944 being exploited?

There is no known exploitation of CVE-2021-35944 in the wild and no public exploit code.

All Couchbase Couchbase Server vulnerabilities

Sources

Also known as GHSA-7vvj-xvcf-6h4f.

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