6.5

CVE-2019-20396

Exploit
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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Cesnet ≫ Libyang Version 0.11 Update r1
Cesnet ≫ Libyang Version 0.11 Update r2
Cesnet ≫ Libyang Version 0.12 Update r1
Cesnet ≫ Libyang Version 0.12 Update r2
Cesnet ≫ Libyang Version 0.13 Update r1
Cesnet ≫ Libyang Version 0.13 Update r2
Cesnet ≫ Libyang Version 0.14 Update r1
Cesnet ≫ Libyang Version 0.15 Update r1
Cesnet ≫ Libyang Version 0.16 Update r1
Cesnet ≫ Libyang Version 0.16 Update r2
Cesnet ≫ Libyang Version 0.16 Update r3
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 1.91% 0.772
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 6.5 2.8 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NIST 4.3 8.6 2.9
AV:N/AC:M/Au:N/C:N/I:N/A:P
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

https://lists.debian.org/debian-lts-announce/2023/09/msg00019.html
https://github.com/CESNET/libyang/compare/v0.16-r3...v1.0-r1
Third Party Advisory
https://github.com/CESNET/libyang/commit/a1f17693904ed6fecc8902c747fc50a8f20e6af8
Patch
Third Party Advisory
https://github.com/CESNET/libyang/issues/740
Third Party Advisory
Exploit