CVE-2019-20394

A double-free is present in libyang before v1.0-r3 in the function yyparse() when a type statement in used in a notification statement. Applications that use libyang to parse untrusted input yang files may be vulnerable to this flaw, which would cause a crash or potentially code execution.
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:cesnet:libyang:0.11:r1:*:*:*:*:*:*
cpe:2.3:a:cesnet:libyang:0.11:r2:*:*:*:*:*:*
cpe:2.3:a:cesnet:libyang:0.12:r1:*:*:*:*:*:*
cpe:2.3:a:cesnet:libyang:0.12:r2:*:*:*:*:*:*
cpe:2.3:a:cesnet:libyang:0.13:r1:*:*:*:*:*:*
cpe:2.3:a:cesnet:libyang:0.13:r2:*:*:*:*:*:*
cpe:2.3:a:cesnet:libyang:0.14:r1:*:*:*:*:*:*
cpe:2.3:a:cesnet:libyang:0.15:r1:*:*:*:*:*:*
cpe:2.3:a:cesnet:libyang:0.16:r1:*:*:*:*:*:*
cpe:2.3:a:cesnet:libyang:0.16:r2:*:*:*:*:*:*
cpe:2.3:a:cesnet:libyang:0.16:r3:*:*:*:*:*:*
cpe:2.3:a:cesnet:libyang:1.0:r1:*:*:*:*:*:*
cpe:2.3:a:cesnet:libyang:1.0:r2:*:*:*:*:*:*

History

21 Nov 2024, 04:38

Type Values Removed Values Added
References () https://bugzilla.redhat.com/show_bug.cgi?id=1793932 - Issue Tracking, Patch, Third Party Advisory () https://bugzilla.redhat.com/show_bug.cgi?id=1793932 - Issue Tracking, Patch, Third Party Advisory
References () https://github.com/CESNET/libyang/commit/6cc51b1757dfbb7cff92de074ada65e8523289a6 - Patch, Third Party Advisory () https://github.com/CESNET/libyang/commit/6cc51b1757dfbb7cff92de074ada65e8523289a6 - Patch, Third Party Advisory
References () https://github.com/CESNET/libyang/compare/v1.0-r2...v1.0-r3 - Third Party Advisory () https://github.com/CESNET/libyang/compare/v1.0-r2...v1.0-r3 - Third Party Advisory
References () https://github.com/CESNET/libyang/issues/769 - Exploit, Third Party Advisory () https://github.com/CESNET/libyang/issues/769 - Exploit, Third Party Advisory
References () https://lists.debian.org/debian-lts-announce/2023/09/msg00019.html - () https://lists.debian.org/debian-lts-announce/2023/09/msg00019.html -

19 Sep 2023, 22:15

Type Values Removed Values Added
References
  • (MLIST) https://lists.debian.org/debian-lts-announce/2023/09/msg00019.html -

Information

Published : 2020-01-22 22:15

Updated : 2024-11-21 04:38


NVD link : CVE-2019-20394

Mitre link : CVE-2019-20394

CVE.ORG link : CVE-2019-20394


JSON object : View

Products Affected

cesnet

  • libyang
CWE
CWE-415

Double Free