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libyang: stack-based buffer overflow in make_canonical when identityref leaf type is used

🗓️ 23 Dec 2019 08:55:03Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 3 Views

Libyang has a stack overflow in make_canonical for identityref leaf when parsing YANG files.

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Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8aarch64libyang0:0.16.105-3.el8_1.2libyang-0:0.16.105-3.el8_1.2.aarch64.rpm
Red Hat Enterprise Linux8i686libyang0:0.16.105-3.el8_1.2libyang-0:0.16.105-3.el8_1.2.i686.rpm
Red Hat Enterprise Linux8ppc64lelibyang0:0.16.105-3.el8_1.2libyang-0:0.16.105-3.el8_1.2.ppc64le.rpm
Red Hat Enterprise Linux8s390xlibyang0:0.16.105-3.el8_1.2libyang-0:0.16.105-3.el8_1.2.s390x.rpm
Red Hat Enterprise Linux8x86_64libyang0:0.16.105-3.el8_1.2libyang-0:0.16.105-3.el8_1.2.x86_64.rpm
Red Hat Enterprise Linux8aarch64libyang-cpp-debuginfo0:0.16.105-3.el8_1.2libyang-cpp-debuginfo-0:0.16.105-3.el8_1.2.aarch64.rpm
Red Hat Enterprise Linux8i686libyang-cpp-debuginfo0:0.16.105-3.el8_1.2libyang-cpp-debuginfo-0:0.16.105-3.el8_1.2.i686.rpm
Red Hat Enterprise Linux8ppc64lelibyang-cpp-debuginfo0:0.16.105-3.el8_1.2libyang-cpp-debuginfo-0:0.16.105-3.el8_1.2.ppc64le.rpm
Red Hat Enterprise Linux8s390xlibyang-cpp-debuginfo0:0.16.105-3.el8_1.2libyang-cpp-debuginfo-0:0.16.105-3.el8_1.2.s390x.rpm
Red Hat Enterprise Linux8x86_64libyang-cpp-debuginfo0:0.16.105-3.el8_1.2libyang-cpp-debuginfo-0:0.16.105-3.el8_1.2.x86_64.rpm
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21 Nov 2025 18:11Current
6.3Medium risk
Vulners AI Score6.3
CVSS 27.5
CVSS 3.19.8
CVSS 38.1
EPSS0.0387
3