CVE-2019-19334

NameCVE-2019-19334
DescriptionIn all versions of libyang before 1.0-r5, a stack-based buffer overflow was discovered in the way libyang parses YANG files with a leaf of type "identityref". An application that uses libyang to parse untrusted YANG files may be vulnerable to this flaw, which would allow an attacker to cause a denial of service or possibly gain code execution.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs946217

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libyang (PTS)bullseye1.0.225-1.1fixed
sid, trixie3.4.2+dfsg-2fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libyangsourcebuster0.16.105-1+deb10u1
libyangsource(unstable)0.16.105-2946217

Notes

https://github.com/CESNET/libyang/commit/6980afae2ff9fcd6d67508b0a3f694d75fd059d6

Search for package or bug name: Reporting problems