Gentoo: GLSA-202208-04: libmcpp: Denial of service
Summary
A buffer overflow and an out-of-bounds read vulnerability have been discovered in libmcpp, which could be exploited for denial of service.
Resolution
All libmcpp users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-cpp/libmcpp-2.7.2_p5"
References
[ 1 ] CVE-2019-14274 https://nvd.nist.gov/vuln/detail/CVE-2019-14274
Availability
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/202208-04
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.
Background
libmcpp is a portable C/C++ preprocessor.
Affected Packages
------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 dev-cpp/libmcpp < 2.7.2_p5 >= 2.7.2_p5
Impact
===== An attacker that can provide crafted input to libmcpp could achieve denial of service.
Workaround
There is no known workaround at this time.