Exploit for Improperly Controlled Sequential Memory Allocation in Php

CVE-2026-109619: PHP2Shell — Security Research Lab & PoC...

CVE-2026-7568: Integer Overflow or Wraparound

In PHP versions 8.2. before 8.2.31, 8.3. before 8.3.31, 8.4. before 8.4.21, and 8.5. before 8.5.6, the metaphone function in ext/standard/metaphone.c uses a signed int variable to track the current position within the input string. If a string longer than 2,147,483,647 bytes is passed, a signed...

CVE-2026-12184

NULL pointer dereference in PHP: in ext/standard/httpfopenwrapper.c phpstreamurlwraphttpex, when phpstreamxportcryptosetup fails while enabling TLS the stream is reset to NULL but the peer-name reset code then dereferences it. A remote server that fails TLS setup expired cert, peer-name mismatch...

PT-2026-37242

Уязвимость функции var destroy сценария ext/standard/var unserializer.re интерпретатора языка PHP связана с использованием памяти после ее освобождения. Эксплуатация уязвимости может позволить нарушителю, действующему удаленно, выполнить произвольный код...

K17313: PHP vulnerability CVE-2014-4721

Security Advisory Description The phpinfo implementation in ext/standard/info.c in PHP before 5.4.30 and 5.5.x before 5.5.14 does not ensure use of the string data type for the PHPAUTHPW, PHPAUTHTYPE, PHPAUTHUSER, and PHPSELF variables, which might allow context-dependent attackers to obtain...

K51390683: PHP vulnerabilities CVE-2016-5094 and CVE-2016-5095

Security Advisory Description CVE-2016-5094 Integer overflow in the phphtmlentities function in ext/standard/html.c in PHP before 5.5.36 and 5.6.x before 5.6.22 allows remote attackers to cause a denial of service or possibly have unspecified other impact by triggering a large output string from...

SUSE CVE-2016-5096

Integer overflow in the fread function in ext/standard/file.c in PHP before 5.5.36 and 5.6.x before 5.6.22 allows remote attackers to cause a denial of service or possibly have unspecified other impact via a large integer in the second argument...

Huawei EulerOS: Security Advisory for php (EulerOS-SA-2020-1542)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2020 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Information Disclosure

php is vulnerable to information disclosure. The vulnerability exists as the phpinfo implementation in ext/standard/info.c does not ensure use of the string data type for the PHPAUTHPW, PHPAUTHTYPE, PHPAUTHUSER, and PHPSELF...

CVE-2019-9022

An issue was discovered in PHP 7.x before 7.1.26, 7.2.x before 7.2.14, and 7.3.x before 7.3.2. dnsgetrecord misparses a DNS response, which can allow a hostile DNS server to cause PHP to misuse memcpy, leading to read operations going past the buffer allocated for DNS data. This affects phpparser...

CVE-2019-9022: Out-of-bounds Read

An issue was discovered in PHP 7.x before 7.1.26, 7.2.x before 7.2.14, and 7.3.x before 7.3.2. dnsgetrecord misparses a DNS response, which can allow a hostile DNS server to cause PHP to misuse memcpy, leading to read operations going past the buffer allocated for DNS data. This affects phpparser...

PT-2019-1895

Name of the Vulnerable Software and Affected Versions PHP versions 7.0.x through 7.1.25 PHP versions 7.2.x through 7.2.13 PHP versions 7.3.x through 7.3.1 Description An issue in PHP's dns get record function can cause it to misparse a DNS response, allowing a hostile DNS server to cause PHP to...

CVE-2018-19396

ext/standard/varunserializer.c in PHP 5.x through 7.1.24 allows attackers to cause a denial of service application crash via an unserialize call for the com, dotnet, or variant class...

CVE-2018-19396

ext/standard/varunserializer.c in PHP 5.x through 7.1.24 allows attackers to cause a denial of service application crash via an unserialize call for the com, dotnet, or variant class...

CVE-2018-19396

ext/standard/varunserializer.c in PHP 5.x through 7.1.24 allows attackers to cause a denial of service application crash via an unserialize call for the com, dotnet, or variant class...

CVE-2018-19395

ext/standard/var.c in PHP 5.x through 7.1.24 on Windows allows attackers to cause a denial of service NULL pointer dereference and application crash because com and comsafearrayproxy return NULL in compropertiesget in ext/comdotnet/comhandlers.c, as demonstrated by a serialize call on...

CVE-2018-19395: NULL Pointer Dereference

ext/standard/var.c in PHP 5.x through 7.1.24 on Windows allows attackers to cause a denial of service NULL pointer dereference and application crash because com and comsafearrayproxy return NULL in compropertiesget in ext/comdotnet/comhandlers.c, as demonstrated by a serialize call on...

Design/Logic Flaw

An issue was discovered in ext/standard/linkwin32.c in PHP before 5.6.37, 7.0.x before 7.0.31, 7.1.x before 7.1.20, and 7.2.x before 7.2.8. The linkinfo function on Windows doesn't implement the openbasedir check. This could be abused to find files on paths outside of the allowed directories...

CVE-2018-15132: Exposure of Sensitive Information to an Unauthorized Actor

An issue was discovered in ext/standard/linkwin32.c in PHP before 5.6.37, 7.0.x before 7.0.31, 7.1.x before 7.1.20, and 7.2.x before 7.2.8. The linkinfo function on Windows doesn't implement the openbasedir check. This could be abused to find files on paths outside of the allowed directories...

CVE-2018-14884

An issue was discovered in PHP 7.0.x before 7.0.27, 7.1.x before 7.1.13, and 7.2.x before 7.2.1. Inappropriately parsing an HTTP response leads to a segmentation fault because httpheadervalue in ext/standard/httpfopenwrapper.c can be a NULL value that is mishandled in an atoi call...