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.
Priority
Low
CVSS 3 base score: 7.5
Status
| Package | Release | Status |
|---|---|---|
|
pcre2 Launchpad, Ubuntu, Debian |
Upstream |
Released
(10.22-3)
|
| Ubuntu 21.04 (Hirsute Hippo) |
Not vulnerable
(10.32-4)
|
|
| Ubuntu 20.04 LTS (Focal Fossa) |
Not vulnerable
(10.32-4)
|
|
| Ubuntu 18.04 LTS (Bionic Beaver) |
Not vulnerable
(10.31-2)
|
|
| Ubuntu 16.04 ESM (Xenial Xerus) |
Ignored
(end of standard support, was needed)
|
|
| Ubuntu 14.04 ESM (Trusty Tahr) |
Does not exist
|
|
|
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 |
Upstream |
Released
(2:8.39-3)
|
| Ubuntu 21.04 (Hirsute Hippo) |
Not vulnerable
(2:8.39-3)
|
|
| Ubuntu 20.04 LTS (Focal Fossa) |
Not vulnerable
(2:8.39-3)
|
|
| Ubuntu 18.04 LTS (Bionic Beaver) |
Not vulnerable
(2:8.39-3)
|
|
| Ubuntu 16.04 ESM (Xenial Xerus) |
Needed
|
|
| Ubuntu 14.04 ESM (Trusty Tahr) |
Not vulnerable
(code not present)
|
|
|
Patches: Upstream: https://vcs.pcre.org/pcre?view=revision&revision=1688 |
||
Notes
| Author | Note |
|---|---|
| mdeslaur | pcre32 support enabled only in pcre3/1:8.35-4 |
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7186
- https://blogs.gentoo.org/ago/2017/03/14/libpcre-invalid-memory-read-in-match-pcre_exec-c/
- NVD
- Launchpad
- Debian