Alerts This Week
Warning Icon 1 646
Alerts This Week
Warning Icon 1 646

Gentoo: 202311-08 High: GNU Libmicrohttpd Buffer Overflow Threat

gentoo
Calendar Grey November 25, 2023
Dist Gentoo Esm H88
A buffer overflow vulnerability in GNU Libmicrohttpd affects Gentoo Linux, necessitating immediate upgrades for protection.
A buffer overflow vulnerability has been discovered in GNU Libmicrohttpd.

Summary

A buffer overflow vulnerability has been discovered in GNU Libmicrohttpd. Please review the CVE identifier referenced below for details.

Topics%20covered

Topics Covered

security advisory high severity gentoo buffer overflow threat GNU Libmicrohttpd

Resolution

All GNU Libmicrohttpd users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">net-libs/libmicrohttpd-0.9.70"

References

[ 1 ] CVE-2021-3466 https://nvd.nist.gov/vuln/detail/CVE-2021-3466

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website:
https://security.gentoo.org/glsa/202311-08
style>.gentoo_availability{display:block;}

Concerns

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.

Severity: High
Title: GNU Libmicrohttpd: Buffer Overflow Vulnerability
Date: November 25, 2023
Bugs: #778296
ID: 202311-08

Topics%20covered

Topics Covered

security advisory high severity gentoo buffer overflow threat GNU Libmicrohttpd

Synopsis

A buffer overflow vulnerability has been discovered in GNU Libmicrohttpd.

Background

GNU libmicrohttpd is a small C library that makes it easy to run an HTTP server as part of another application. GNU Libmicrohttpd is free software and part of the GNU project.

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Affected Packages

Package Vulnerable Unaffected ---------------------- ------------ ------------ net-libs/libmicrohttpd = 0.9.70 > 0.9.70

Impact

A missing bounds check in the post_process_urlencoded function leads to a buffer overflow, allowing a remote attacker to write arbitrary data in an application that uses libmicrohttpd. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Workaround

There is no known workaround at this time.

Related News

Your message here