Vulnerability Details CVE-2019-20391
An invalid memory access flaw is present in libyang before v1.0-r3 in the function resolve_feature_value() when an if-feature statement is used inside a bit. Applications that use libyang to parse untrusted input yang files may crash.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 36.3%
CVSS Severity
CVSS v3 Score 6.5
CVSS v2 Score 4.3
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1793934
- https://github.com/CESNET/libyang/commit/bdb596ddc07596fa212f231135b87d0b9178f6f8
- https://github.com/CESNET/libyang/compare/v1.0-r2...v1.0-r3
- https://github.com/CESNET/libyang/issues/772
- https://lists.debian.org/debian-lts-announce/2023/09/msg00019.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1793934
- https://github.com/CESNET/libyang/commit/bdb596ddc07596fa212f231135b87d0b9178f6f8
- https://github.com/CESNET/libyang/compare/v1.0-r2...v1.0-r3
- https://github.com/CESNET/libyang/issues/772
- https://lists.debian.org/debian-lts-announce/2023/09/msg00019.html
Products affected by CVE-2019-20391
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cpe:2.3:a:cesnet:libyang:0.11
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cpe:2.3:a:cesnet:libyang:0.12
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cpe:2.3:a:cesnet:libyang:0.13
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cpe:2.3:a:cesnet:libyang:0.14
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cpe:2.3:a:cesnet:libyang:0.15
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cpe:2.3:a:cesnet:libyang:0.16
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cpe:2.3:a:cesnet:libyang:1.0