MEDIUM
libyang: heap-based buffer over-read in function lys_type_free() due to malformed pattern
Published Jan 22, 2020
6.5
MEDIUMCVSS 3.1
EPSS 1.93%
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.
Affected products
No data.
OR
- 0.11
- 0.11
- 0.12
- 0.12
- 0.13
- 0.13
- 0.14
- 0.15
- 0.16
- 0.16
- 0.16
No data.
Red Hat Enterprise Linux 8
libyang-0:1.0.184-1.el8
Fixed · RHEA-2021:1906
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 8 | libyang-0:1.0.184-1.el8 | Fixed | RHEA-2021:1906 |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Weaknesses (2)
References (9)
- https://access.redhat.com/security/cve/CVE-2019-20396 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1793929 Issue Tracking
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2019-10946 Advisory
- https://github.com/CESNET/libyang/commit/a1f17693904ed6fecc8902c747fc50a8f20e6af8 PatchThird Party Advisory
- https://github.com/CESNET/libyang/compare/v0.16-r3...v1.0-r1 Third Party Advisory
- https://github.com/CESNET/libyang/issues/740 ExploitThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/09/msg00019.html mailing-list
- https://nvd.nist.gov/vuln/detail/CVE-2019-20396
- https://www.cve.org/CVERecord?id=CVE-2019-20396
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2019-20396 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1793929 | Issue Tracking | |
| https://euvd.enisa.europa.eu/vulnerability/EUVD-2019-10946 | Advisory | |
| https://github.com/CESNET/libyang/commit/a1f17693904ed6fecc8902c747fc50a8f20e6af8 | PatchThird Party Advisory | |
| https://github.com/CESNET/libyang/compare/v0.16-r3...v1.0-r1 | Third Party Advisory | |
| https://github.com/CESNET/libyang/issues/740 | ExploitThird Party Advisory | |
| https://lists.debian.org/debian-lts-announce/2023/09/msg00019.html | mailing-list | |
| https://nvd.nist.gov/vuln/detail/CVE-2019-20396 | ||
| https://www.cve.org/CVERecord?id=CVE-2019-20396 |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Jan 22, 2020
Updated Aug 5, 2024
Reserved Jan 22, 2020
Link CVE-2019-20396
CISA Vulnrichment
No data
GitHub
No data