CVE-2023-2602 Denial of service in libcap

What is CVE-2023-2602?

CVE-2023-2602 is a low-severity denial of service vulnerability in Debian Debian Linux, published on 6 Jun 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A vulnerability was found in the pthread_create() function in libcap. This issue may allow a malicious actor to use cause __real_pthread_create() to return an error, which can exhaust the process memory.

Weakness: CWE-401

Which versions are affected by CVE-2023-2602?

It affects 4 products.

Products include Debian Debian Linux, Fedoraproject Fedora, Libcap Project Libcap, Redhat Enterprise Linux.

How do I fix CVE-2023-2602?

Apply the vendor's patch.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2023-2602 being exploited?

There is no known exploitation of CVE-2023-2602 in the wild and no public exploit code.

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All Debian Debian Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as ALPINE-CVE-2023-2602, AZL-27064, DEBIAN-CVE-2023-2602, GHSA-7wq6-hwpj-wcq2, UBUNTU-CVE-2023-2602.