The pcre_compile2 function in pcre_compile.c in PCRE 8.38 mishandles the /((?:F?+(?:^(?(R)a+\"){99}-))(?J)(?'R'(?'R'<((?'RR'(?'R'\){97)?J)?J)(?'R'(?'R'\){99|(:(?|(?'R')(\k'R')|((?'R')))H'R'R)(H'R))))))/ pattern and related patterns with named subgroups, which allows remote attackers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2016-1283 from the MITRE CVE dictionary dictionary and NIST NVD.
| Base Score | 6.8 |
|---|---|
| Base Metrics | AV:N/AC:M/Au:N/C:P/I:P/A:P |
| Access Vector | Network |
| Access Complexity | Medium |
| Authentication | None |
| Confidentiality Impact | Partial |
| Integrity Impact | Partial |
| Availability Impact | Partial |
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
| Platform | Errata | Release Date |
|---|---|---|
| Red Hat Software Collections for Red Hat Enterprise Linux 6 (rh-mariadb100-mariadb) | RHSA-2016:1132 | 2016-05-26 |
| Red Hat Software Collections for Red Hat Enterprise Linux 7 (rh-mariadb100-mariadb) | RHSA-2016:1132 | 2016-05-26 |
| Platform | Package | State |
|---|---|---|
| Red Hat Software Collections for Red Hat Enterprise Linux | rh-mariadb101-mariadb | Not affected |
| Red Hat Software Collections for Red Hat Enterprise Linux | rh-php70-php | Will not fix |
| Red Hat Software Collections for Red Hat Enterprise Linux | php55-php | Not affected |
| Red Hat Software Collections for Red Hat Enterprise Linux | rh-php56-php | Will not fix |
| Red Hat Software Collections for Red Hat Enterprise Linux | php54-php | Not affected |
| Red Hat JBoss Web Server 3.0 | pcre | Not affected |
| Red Hat JBoss EWS 2 | httpd | Not affected |
| Red Hat JBoss EWS 1 | httpd | Not affected |
| Red Hat Enterprise Linux 7 | virtuoso-opensource | Not affected |
| Red Hat Enterprise Linux 7 | pcre | Not affected |
| Red Hat Enterprise Linux 7 | glib2 | Not affected |
| Red Hat Enterprise Linux 6 | pcre | Not affected |
| Red Hat Enterprise Linux 6 | glib2 | Not affected |
| Red Hat Enterprise Linux 5 | pcre | Not affected |
| Red Hat Directory Server 8 | pcre | Not affected |
Vulmon