CVE-2017-7244
Published: 23 March 2017
The _pcre32_xclass function in pcre_xclass.c in libpcre1 in PCRE 8.40 allows remote attackers to cause a denial of service (invalid memory read) via a crafted file.
Notes
Author | Note |
---|---|
mdeslaur | pcre32 support enabled only in pcre3/1:8.35-4 same commit as CVE-2017-7186 |
ccdm94 | in xenial, this CVE was patched together with CVE-2017-7186, since the fixes are the same, i.e. USN-5665-1 fixes this issue without mentioning this CVE. |
Priority
Status
Package | Release | Status |
---|---|---|
pcre3 Launchpad, Ubuntu, Debian |
hirsute |
Not vulnerable
(2:8.39-3)
|
jammy |
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)
|
|
kinetic |
Not vulnerable
(2:8.39-3)
|
|
precise |
Not vulnerable
(code not present)
|
|
trusty |
Not vulnerable
(code not present)
|
|
upstream |
Released
(2:8.39-3)
|
|
xenial |
Released
(2:8.38-3.1ubuntu0.1~esm2)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
|
yakkety |
Ignored
(end of life)
|
|
zesty |
Not vulnerable
(2:8.39-3)
|
|
Patches: upstream: https://vcs.pcre.org/pcre?view=revision&revision=1688 |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 5.5 |
Attack vector | Local |
Attack complexity | Low |
Privileges required | None |
User interaction | Required |
Scope | Unchanged |
Confidentiality | None |
Integrity impact | None |
Availability impact | High |
Vector | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |