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PHP CVEs

Vulnerabilities in the PHP language itself, and which PHP versions they affect.

PHP CVEs stored760
Affected version records16,617
Newest source updateNovember 5, 2026
CVE-2011-0441 March 29, 2011
The Debian GNU/Linux /etc/cron.d/php5 cron job for PHP 5.3.5 allows local users to delete arbitrary files via a symlink attack on a directory under /var/lib/php5/. Full details
MEDIUM 6.3
CVE-2011-1471 March 20, 2011
Integer signedness error in zip_stream.c in the Zip extension in PHP before 5.3.6 allows context-dependent attackers to cause a denial of service (CPU consumption) via a malformed archive file that triggers errors in zip_fread… Full details
MEDIUM 4.3
CVE-2011-1470 March 20, 2011
The Zip extension in PHP before 5.3.6 allows context-dependent attackers to cause a denial of service (application crash) via a ziparchive stream that is not properly handled by the stream_get_contents function. Full details
MEDIUM 4.3
CVE-2011-1469 March 20, 2011
Unspecified vulnerability in the Streams component in PHP before 5.3.6 allows context-dependent attackers to cause a denial of service (application crash) by accessing an ftp:// URL during use of an HTTP proxy with the… Full details
MEDIUM 4.3
CVE-2011-1468 March 20, 2011
Multiple memory leaks in the OpenSSL extension in PHP before 5.3.6 might allow remote attackers to cause a denial of service (memory consumption) via (1) plaintext data to the openssl_encrypt function or (2) ciphertext… Full details
MEDIUM 4.3
CVE-2011-1467 March 20, 2011
Unspecified vulnerability in the NumberFormatter::setSymbol (aka numfmt_set_symbol) function in the Intl extension in PHP before 5.3.6 allows context-dependent attackers to cause a denial of service (application crash) via an invalid argument, a related issue… Full details
MEDIUM 5
CVE-2011-1466 March 20, 2011
Integer overflow in the SdnToJulian function in the Calendar extension in PHP before 5.3.6 allows context-dependent attackers to cause a denial of service (application crash) via a large integer in the first argument to… Full details
MEDIUM 5
CVE-2011-1464 March 20, 2011
Buffer overflow in the strval function in PHP before 5.3.6, when the precision configuration option has a large value, might allow context-dependent attackers to cause a denial of service (application crash) via a small… Full details
MEDIUM 4.3
CVE-2011-0708 March 20, 2011
exif.c in the Exif extension in PHP before 5.3.6 on 64-bit platforms performs an incorrect cast, which allows remote attackers to cause a denial of service (application crash) via an image with a crafted… Full details
MEDIUM 4.3
CVE-2011-0421 March 20, 2011
The _zip_name_locate function in zip_name_locate.c in the Zip extension in PHP before 5.3.6 does not properly handle a ZIPARCHIVE::FL_UNCHANGED argument, which might allow context-dependent attackers to cause a denial of service (NULL pointer dereference)… Full details
MEDIUM 4.3
CVE-2011-1148 March 18, 2011
Use-after-free vulnerability in the substr_replace function in PHP 5.3.6 and earlier allows context-dependent attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact by using the same variable for… Full details
HIGH 7.5
CVE-2011-1153 March 16, 2011
Multiple format string vulnerabilities in phar_object.c in the phar extension in PHP 5.3.5 and earlier allow context-dependent attackers to obtain sensitive information from process memory, cause a denial of service (memory corruption), or possibly… Full details
HIGH 7.5
CVE-2011-1092 March 15, 2011
Integer overflow in ext/shmop/shmop.c in PHP before 5.3.6 allows context-dependent attackers to cause a denial of service (crash) and possibly read sensitive memory via a large third argument to the shmop_read function. Full details
HIGH 7.5
CVE-2011-0420 February 19, 2011
The grapheme_extract function in the Internationalization extension (Intl) for ICU for PHP 5.3.5 allows context-dependent attackers to cause a denial of service (crash) via an invalid size argument, which triggers a NULL pointer dereference. Full details
MEDIUM 5
CVE-2011-0755 February 2, 2011
Integer overflow in the mt_rand function in PHP before 5.3.4 might make it easier for context-dependent attackers to predict the return values by leveraging a script's use of a large max parameter, as demonstrated… Full details
MEDIUM 5
CVE-2011-0754 February 2, 2011
The SplFileInfo::getType function in the Standard PHP Library (SPL) extension in PHP before 5.3.4 on Windows does not properly detect symbolic links, which might make it easier for local users to conduct symlink attacks… Full details
MEDIUM 4.4
CVE-2011-0753 February 2, 2011
Race condition in the PCNTL extension in PHP before 5.3.4, when a user-defined signal handler exists, might allow context-dependent attackers to cause a denial of service (memory corruption) via a large number of concurrent… Full details
MEDIUM 4.3
CVE-2011-0752 February 2, 2011
The extract function in PHP before 5.2.15 does not prevent use of the EXTR_OVERWRITE parameter to overwrite (1) the GLOBALS superglobal array and (2) the this variable, which allows context-dependent attackers to bypass intended… Full details
MEDIUM 5
CVE-2010-4700 January 18, 2011
The set_magic_quotes_runtime function in PHP 5.3.2 and 5.3.3, when the MySQLi extension is used, does not properly interact with use of the mysqli_fetch_assoc function, which might make it easier for context-dependent attackers to conduct… Full details
MEDIUM 6.8
CVE-2010-4699 January 18, 2011
The iconv_mime_decode_headers function in the Iconv extension in PHP before 5.3.4 does not properly handle encodings that are unrecognized by the iconv and mbstring (aka Multibyte String) implementations, which allows remote attackers to trigger… Full details
MEDIUM 5
CVE-2010-4698 January 18, 2011
Stack-based buffer overflow in the GD extension in PHP before 5.2.15 and 5.3.x before 5.3.4 allows context-dependent attackers to cause a denial of service (application crash) via a large number of anti-aliasing steps in… Full details
MEDIUM 5
CVE-2010-4697 January 18, 2011
Use-after-free vulnerability in the Zend engine in PHP before 5.2.15 and 5.3.x before 5.3.4 might allow context-dependent attackers to cause a denial of service (heap memory corruption) or have unspecified other impact via vectors… Full details
MEDIUM 6.8
CVE-2006-7243 January 18, 2011
PHP before 5.3.4 accepts the \0 character in a pathname, which might allow context-dependent attackers to bypass intended access restrictions by placing a safe file extension after this character, as demonstrated by .php\0.jpg at… Full details
MEDIUM 5
CVE-2010-4645 January 11, 2011
strtod.c, as used in the zend_strtod function in PHP 5.2 before 5.2.17 and 5.3 before 5.3.5, and other products, allows context-dependent attackers to cause a denial of service (infinite loop) via a certain floating-point… Full details
MEDIUM 5
CVE-2010-4150 December 7, 2010
Double free vulnerability in the imap_do_open function in the IMAP extension (ext/imap/php_imap.c) in PHP 5.2 before 5.2.15 and 5.3 before 5.3.4 allows attackers to cause a denial of service (memory corruption) or possibly execute… Full details
MEDIUM 5
CVE-2010-4409 December 6, 2010
Integer overflow in the NumberFormatter::getSymbol (aka numfmt_get_symbol) function in PHP 5.3.3 and earlier allows context-dependent attackers to cause a denial of service (application crash) via an invalid argument. Full details
MEDIUM 5
CVE-2009-5016 November 12, 2010
Integer overflow in the xml_utf8_decode function in ext/xml/xml.c in PHP before 5.2.11 makes it easier for remote attackers to bypass cross-site scripting (XSS) and SQL injection protection mechanisms via a crafted string that uses… Full details
MEDIUM 6.8
CVE-2010-3870 November 12, 2010
The utf8_decode function in PHP before 5.3.4 does not properly handle non-shortest form UTF-8 encoding and ill-formed subsequences in UTF-8 data, which makes it easier for remote attackers to bypass cross-site scripting (XSS) and… Full details
MEDIUM 6.8
CVE-2010-4156 November 10, 2010
The mb_strcut function in Libmbfl 1.1.0, as used in PHP 5.3.x through 5.3.3, allows context-dependent attackers to obtain potentially sensitive information via a large value of the third parameter (aka the length parameter). Full details
MEDIUM 5
CVE-2010-3709 November 9, 2010
The ZipArchive::getArchiveComment function in PHP 5.2.x through 5.2.14 and 5.3.x through 5.3.3 allows context-dependent attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted ZIP archive. Full details
MEDIUM 4.3
CVE-2010-3436 November 9, 2010
fopen_wrappers.c in PHP 5.3.x through 5.3.3 might allow remote attackers to bypass open_basedir restrictions via vectors related to the length of a filename. Full details
MEDIUM 5
CVE-2010-3710 October 25, 2010
Stack consumption vulnerability in the filter_var function in PHP 5.2.x through 5.2.14 and 5.3.x through 5.3.3, when FILTER_VALIDATE_EMAIL mode is used, allows remote attackers to cause a denial of service (memory consumption and application… Full details
MEDIUM 4.3
CVE-2010-2950 September 28, 2010
Format string vulnerability in stream.c in the phar extension in PHP 5.3.x through 5.3.3 allows context-dependent attackers to obtain sensitive information (memory contents) and possibly execute arbitrary code via a crafted phar:// URI that… Full details
MEDIUM 6.8
CVE-2010-2531 August 20, 2010
The var_export function in PHP 5.2 before 5.2.14 and 5.3 before 5.3.3 flushes the output buffer to the user when certain fatal errors occur, even if display_errors is off, which allows remote attackers to… Full details
MEDIUM 4.3
CVE-2010-2484 August 20, 2010
The strrchr function in PHP 5.2 before 5.2.14 allows context-dependent attackers to obtain sensitive information (memory contents) or trigger memory corruption by causing a userspace interruption of an internal function or handler. Full details
MEDIUM 5
CVE-2010-3065 August 20, 2010
The default session serializer in PHP 5.2 through 5.2.13 and 5.3 through 5.3.2 does not properly handle the PS_UNDEF_MARKER marker, which allows context-dependent attackers to modify arbitrary session variables via a crafted session variable… Full details
MEDIUM 5
CVE-2010-3064 August 20, 2010
Stack-based buffer overflow in the php_mysqlnd_auth_write function in the Mysqlnd extension in PHP 5.3 through 5.3.2 allows context-dependent attackers to cause a denial of service (crash) and possibly execute arbitrary code via a long… Full details
MEDIUM 6.8
CVE-2010-3063 August 20, 2010
The php_mysqlnd_read_error_from_line function in the Mysqlnd extension in PHP 5.3 through 5.3.2 does not properly calculate a buffer length, which allows context-dependent attackers to trigger a heap-based buffer overflow via crafted inputs that cause… Full details
MEDIUM 5
CVE-2010-3062 August 20, 2010
mysqlnd_wireprotocol.c in the Mysqlnd extension in PHP 5.3 through 5.3.2 allows remote attackers to (1) read sensitive memory via a modified length value, which is not properly handled by the php_mysqlnd_ok_read function; or (2)… Full details
MEDIUM 5
CVE-2010-2225 June 24, 2010
Use-after-free vulnerability in the SplObjectStorage unserializer in PHP 5.2.x and 5.3.x through 5.3.2 allows remote attackers to execute arbitrary code or obtain sensitive information via serialized data, related to the PHP unserialize function. Full details
HIGH 7.5
CVE-2010-2191 June 8, 2010
The (1) parse_str, (2) preg_match, (3) unpack, and (4) pack functions; the (5) ZEND_FETCH_RW, (6) ZEND_CONCAT, and (7) ZEND_ASSIGN_CONCAT opcodes; and the (8) ArrayObject::uasort method in PHP 5.2 through 5.2.13 and 5.3 through 5.3.2… Full details
MEDIUM 6.4
CVE-2010-2190 June 8, 2010
The (1) trim, (2) ltrim, (3) rtrim, and (4) substr_replace functions in PHP 5.2 through 5.2.13 and 5.3 through 5.3.2 allow context-dependent attackers to obtain sensitive information (memory contents) by causing a userspace interruption… Full details
MEDIUM 5
CVE-2010-2101 May 27, 2010
The (1) strip_tags, (2) setcookie, (3) strtok, (4) wordwrap, (5) str_word_count, and (6) str_pad functions in PHP 5.2 through 5.2.13 and 5.3 through 5.3.2 allow context-dependent attackers to obtain sensitive information (memory contents) by… Full details
MEDIUM 5
CVE-2010-2100 May 27, 2010
The (1) htmlentities, (2) htmlspecialchars, (3) str_getcsv, (4) http_build_query, (5) strpbrk, and (6) strtr functions in PHP 5.2 through 5.2.13 and 5.3 through 5.3.2 allow context-dependent attackers to obtain sensitive information (memory contents) by… Full details
MEDIUM 5
CVE-2010-2097 May 27, 2010
The (1) iconv_mime_decode, (2) iconv_substr, and (3) iconv_mime_encode functions in PHP 5.2 through 5.2.13 and 5.3 through 5.3.2 allow context-dependent attackers to obtain sensitive information (memory contents) by causing a userspace interruption of an… Full details
MEDIUM 5
CVE-2010-2094 May 27, 2010
Multiple format string vulnerabilities in the phar extension in PHP 5.3 before 5.3.2 allow context-dependent attackers to obtain sensitive information (memory contents) and possibly execute arbitrary code via a crafted phar:// URI that is… Full details
MEDIUM 6.8
CVE-2010-2093 May 27, 2010
Use-after-free vulnerability in the request shutdown functionality in PHP 5.2 before 5.2.13 and 5.3 before 5.3.2 allows context-dependent attackers to cause a denial of service (crash) via a stream context structure that is freed… Full details
MEDIUM 5
CVE-2010-1917 May 12, 2010
Stack consumption vulnerability in PHP 5.2 through 5.2.13 and 5.3 through 5.3.2 allows context-dependent attackers to cause a denial of service (PHP crash) via a crafted first argument to the fnmatch function, as demonstrated… Full details
MEDIUM 5
CVE-2010-1915 May 12, 2010
The preg_quote function in PHP 5.2 through 5.2.13 and 5.3 through 5.3.2 allows context-dependent attackers to obtain sensitive information (memory contents) by causing a userspace interruption of an internal function, related to the call… Full details
MEDIUM 5
CVE-2010-1914 May 12, 2010
The Zend Engine in PHP 5.2 through 5.2.13 and 5.3 through 5.3.2 allows context-dependent attackers to obtain sensitive information by interrupting the handler for the (1) ZEND_BW_XOR opcode (shift_left_function), (2) ZEND_SL opcode (bitwise_xor_function), or… Full details
MEDIUM 5