$ cve CVE-2011-3182 JSON

CVE-2011-3182 EXPLOIT

5.0

MEDIUM · CVSS 2.0 · EPSS 19.2% (pctl 97)

Patch early

A public exploit exists.

Description

PHP before 5.3.7 does not properly check the return values of the malloc, calloc, and realloc library functions, which allows context-dependent attackers to cause a denial of service (NULL pointer dereference and application crash) or trigger a buffer overflow by leveraging the ability to provide an arbitrary value for a function argument, related to (1) ext/curl/interface.c, (2) ext/date/lib/parse_date.c, (3) ext/date/lib/parse_iso_intervals.c, (4) ext/date/lib/parse_tz.c, (5) ext/date/lib/timelib.c, (6) ext/pdo_odbc/pdo_odbc.c, (7) ext/reflection/php_reflection.c, (8) ext/soap/php_sdl.c, (9) ext/xmlrpc/libxmlrpc/base64.c, (10) TSRM/tsrm_win32.c, and (11) the strtotime function.

Scoring

CVSS	5.0 (MEDIUM, v2.0)
Vector	AV:N/AC:L/Au:N/C:N/I:N/A:P
EPSS	19.15% — more likely to be exploited than 97% of all CVEs
On CISA KEV	no
Public exploit	yes
Published	2011-08-25
Last modified	2026-06-16

Affected (1)

Vendor	Product
php	php

Public exploits

Source	Title	Date
exploit-db	PHP < 5.3.7 - Multiple Null Pointer Dereference Denial of Service Vulnerabilities	2011-08-19

References

→ the Explorer · watch your stack · NVD