CVE-2017-7186
Published: 20 March 2017
libpcre1 in PCRE 8.40 and libpcre2 in PCRE2 10.23 allow remote attackers to cause a denial of service (segmentation violation for read access, and application crash) by triggering an invalid Unicode property lookup.
Notes
| Author | Note |
|---|---|
| mdeslaur | pcre32 support enabled only in pcre3/1:8.35-4 |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
pcre2 Launchpad, Ubuntu, Debian |
hirsute |
Not vulnerable
(10.32-4)
|
| xenial |
Needed
|
|
| kinetic |
Not vulnerable
(10.32-4)
|
|
| artful |
Ignored
(end of life)
|
|
| bionic |
Not vulnerable
(10.31-2)
|
|
| cosmic |
Not vulnerable
(10.31-3)
|
|
| disco |
Not vulnerable
(10.32-4)
|
|
| eoan |
Not vulnerable
(10.32-4)
|
|
| focal |
Not vulnerable
(10.32-4)
|
|
| groovy |
Not vulnerable
(10.32-4)
|
|
| impish |
Not vulnerable
(10.32-4)
|
|
| jammy |
Not vulnerable
(10.32-4)
|
|
| lunar |
Not vulnerable
(10.32-4)
|
|
| precise |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(10.22-3)
|
|
| yakkety |
Ignored
(end of life)
|
|
| zesty |
Ignored
(end of life)
|
|
| mantic |
Not vulnerable
(10.32-4)
|
|
|
Patches: upstream: https://vcs.pcre.org/pcre2/code/trunk/src/pcre2_ucd.c?r1=316&r2=670&sortby=date upstream: https://vcs.pcre.org/pcre2/code/trunk/src/pcre2_internal.h?r1=600&r2=670&sortby=date |
||
|
pcre3 Launchpad, Ubuntu, Debian |
hirsute |
Not vulnerable
(2:8.39-3)
|
| xenial |
Released
(2:8.38-3.1ubuntu0.1~esm2)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
|
| kinetic |
Not vulnerable
(2:8.39-3)
|
|
| artful |
Not vulnerable
(2:8.39-3)
|
|
| bionic |
Not vulnerable
(2:8.39-3)
|
|
| cosmic |
Not vulnerable
(2:8.39-3)
|
|
| disco |
Not vulnerable
(2:8.39-3)
|
|
| eoan |
Not vulnerable
(2:8.39-3)
|
|
| focal |
Not vulnerable
(2:8.39-3)
|
|
| groovy |
Not vulnerable
(2:8.39-3)
|
|
| impish |
Not vulnerable
(2:8.39-3)
|
|
| jammy |
Not vulnerable
(2:8.39-3)
|
|
| lunar |
Not vulnerable
(2:8.39-3)
|
|
| precise |
Not vulnerable
(code not present)
|
|
| trusty |
Not vulnerable
(code not present)
|
|
| upstream |
Released
(2:8.39-3)
|
|
| yakkety |
Ignored
(end of life)
|
|
| zesty |
Not vulnerable
(2:8.39-3)
|
|
| mantic |
Not vulnerable
(2:8.39-3)
|
|
|
Patches: upstream: https://vcs.pcre.org/pcre?view=revision&revision=1688 |
||
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:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |