CVE-2023-22652: Stack buffer overflow in "read_file" function

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-06-01 · updated 2026-06-17
Weakness: CWE-120

Description

A Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in openSUSE libeconf leads to DoS via malformed config files. This issue affects libeconf: before 0.5.2.

Affected products

openSUSE libeconf: before 0.5.2 — fixed in 0.5.2

How to fix

Upgrade to a fixed version: openSUSE libeconf 0.5.2. Check the vendor advisory for mitigations.

References

https://bugzilla.suse.com/show_bug.cgi?id=CVE-2023-22652
https://https://github.com/openSUSE/libeconf/issues/177
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SDD5GL5T3V5XZ3VFA4HPE6YGJ2K4HHPC/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SMG5256D5I3GFA3RBAJQ2WYPJDYAIL74/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YAYW7X753Z6GOJKVLQPXBDHISN6ZT233/
https://bugzilla.suse.com/show_bug.cgi?id=CVE-2023-22652
https://https://github.com/openSUSE/libeconf/issues/177
https://lists.debian.org/debian-lts-announce/2025/05/msg00016.html
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SDD5GL5T3V5XZ3VFA4HPE6YGJ2K4HHPC/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SMG5256D5I3GFA3RBAJQ2WYPJDYAIL74/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YAYW7X753Z6GOJKVLQPXBDHISN6ZT233/
https://github.com/openSUSE/libeconf/issues/177

Get alerted when CVE-2023-22652 or the next vulnerability affects your stack