CVE-2019-20396
Published: 22 January 2020
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.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
libyang Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
| eoan |
Ignored
(end of life)
|
|
| focal |
Needed
|
|
| groovy |
Ignored
(end of life)
|
|
| hirsute |
Ignored
(end of life)
|
|
| impish |
Not vulnerable
(1.0.176-1)
|
|
| jammy |
Not vulnerable
(1.0.176-1)
|
|
| kinetic |
Not vulnerable
(1.0.176-1)
|
|
| lunar |
Does not exist
|
|
| mantic |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(1.0.176-1)
|
|
| xenial |
Does not exist
|
|
|
Patches: upstream: https://github.com/CESNET/libyang/commit/a1f17693904ed6fecc8902c747fc50a8f20e6af8 |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 6.5 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | Required |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |