CVE-2022-25314 Integer overflow in n/a

What is CVE-2022-25314?

CVE-2022-25314 is a high-severity vulnerability in Debian Debian Linux, published on 18 Feb 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In Expat (aka libexpat) before 2.4.5, there is an integer overflow in copyString.

Weakness: CWE-190

Which versions are affected by CVE-2022-25314?

It affects 6 products.

Products include Debian Debian Linux, Fedoraproject Fedora, Libexpat Project Libexpat, Oracle Http Server, Oracle Zfs Storage Appliance Kit, Siemens Sinema Remote Connect Server.

How do I fix CVE-2022-25314?

Upgrade to a fixed version.

Is CVE-2022-25314 being exploited?

There is no known exploitation of CVE-2022-25314 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

Other vulnerabilities in Debian Debian Linux

• CVE-2015-3306 ProFTPD Improper Access Control Exploited Critical 10.0
• CVE-2025-49113 RoundCube Webmail Deserialization of Untrusted Data Exploited Critical 9.9
• CVE-2026-24061 GNU InetUtils Argument Injection Exploited Critical 9.8
• CVE-2025-39682 Linux Kernel Improper Check for Unusual or Exceptional Conditions Exploited Critical 9.8
• CVE-2024-9680 Mozilla Firefox Use-After-Free Exploited Critical 9.8

All Debian Debian Linux vulnerabilities

Sources

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

Also known as A-221384482, ALPINE-CVE-2022-25314, ASB-A-221384482, AZL-8624, CLEANSTART-2026-BQ08401, DEBIAN-CVE-2022-25314 and 3 more.