CVE-2019-20838
Published: 15 June 2020
libpcre in PCRE before 8.43 allows a subject buffer over-read in JIT when UTF is disabled, and \X or \R has more than one fixed quantifier, a related issue to CVE-2019-20454.
Priority
Status
Package | Release | Status |
---|---|---|
pcre3
Launchpad, Ubuntu, Debian |
bionic |
Released
(2:8.39-9ubuntu0.1)
|
eoan |
Ignored
(end of life)
|
|
focal |
Released
(2:8.39-12ubuntu0.1)
|
|
groovy |
Ignored
(end of life)
|
|
hirsute |
Ignored
(end of life)
|
|
impish |
Released
(2:8.39-13ubuntu0.21.10.1)
|
|
jammy |
Released
(2:8.39-13ubuntu0.22.04.1)
|
|
kinetic |
Ignored
(end of life, was needed)
|
|
lunar |
Ignored
(end of life, was needed)
|
|
mantic |
Ignored
(end of life, was needed)
|
|
noble |
Needed
|
|
trusty |
Not vulnerable
(code not present)
|
|
upstream |
Released
(8.43)
|
|
xenial |
Not vulnerable
(code not present)
|
|
Patches:
upstream: https://vcs.pcre.org/pcre?view=revision&revision=1740 |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 7.5 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | None |
Scope | Unchanged |
Confidentiality | None |
Integrity impact | None |
Availability impact | High |
Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |