VulnerabilityModified
CVE-2019-20396
A segmentation fault is present in yyparse in libyang before v1.0-r1 due to a malformed pattern statement value during lys_parse_path parsing.
MEDIUM 6.5EPSS 1.91%
Does this matter?
Lower severity and a low EPSS score (1.91%). Track it; it rarely justifies an emergency change on its own.
Description
A segmentation fault is present in yyparse in libyang before v1.0-r1 due to a malformed pattern statement value during lys_parse_path parsing.
- CVSS 3.1
- 6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- EPSS
- 1.91% probability · 79th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- cesnet/libyang
- Source
- cve@mitre.org
References
- https://github.com/CESNET/libyang/commit/a1f17693904ed6fecc8902c747fc50a8f20e6af8Patch, Third Party Advisory
- https://github.com/CESNET/libyang/compare/v0.16-r3...v1.0-r1Third Party Advisory
- https://github.com/CESNET/libyang/issues/740Exploit, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/09/msg00019.html
- https://github.com/CESNET/libyang/commit/a1f17693904ed6fecc8902c747fc50a8f20e6af8Patch, Third Party Advisory
- https://github.com/CESNET/libyang/compare/v0.16-r3...v1.0-r1Third Party Advisory
- https://github.com/CESNET/libyang/issues/740Exploit, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/09/msg00019.html
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.