CVE-2015-4644
php: NULL pointer dereference in php_pgsql_meta_data()
Severity
LowRed Hat Product Security
CVSS 2.0
Review impact separately from score.
Published · June 11, 2015
Updated · June 28, 2026
Description
The php_pgsql_meta_data function in pgsql.c in the PostgreSQL (aka pgsql) extension in PHP before 5.4.42, 5.5.x before 5.5.26, and 5.6.x before 5.6.10 does not validate token extraction for table names, which might allow remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted name. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-1352.
Statement
Red Hat Product Security has rated this issue as having Low security impact. This issue is not planned to be corrected in future updates for php packages in Red Hat Enterprise Linux 6 and 7, and php53 packages in Red Hat Enterprise Linux 5. The php packages in Red Hat Enterprise Linux 5 were not affected by this issue.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 2.0 · 2.6AV:N/AC:H/Au:N/C:N/I:N/A:P
CWE-476 · NULL Pointer Dereference