BIT-LIBPHP-2024-2756 __Host-/__Secure- cookie bypass due to partial CVE-2022-31629 fix

Due to an incomplete fix to CVE-2022-31629 https://github.com/advisories/GHSA-c43m-486j-j32p , network and same-site attackers can set a standard insecure cookie in the victim's browser which is treated as a Host- or Secure- cookie by PHP applications...

BIT-LIBPHP-2024-2408 PHP is vulnerable to the Marvin Attack

The opensslprivatedecrypt function in PHP, when using PKCS1 padding OPENSSLPKCS1PADDING, which is the default, is vulnerable to the Marvin Attack unless it is used with an OpenSSL version that includes the changes from this pull request: https://github.com/openssl/openssl/pull/13817...

BIT-LIBPHP-2024-1874 Command injection via array-ish $command parameter of proc_open()

In PHP versions 8.1. before 8.1.28, 8.2. before 8.2.18, 8.3. before 8.3.5, when using procopen command with array syntax, due to insufficient escaping, if the arguments of the executed command are controlled by a malicious user, the user can supply arguments that would execute arbitrary commands ...

BIT-LIBPHP-2024-11236 Integer overflow in the firebird and dblib quoters causing OOB writes

In PHP versions 8.1. before 8.1.31, 8.2. before 8.2.26, 8.3. before 8.3.14, uncontrolled long string inputs to ldapescape function on 32-bit systems can cause an integer overflow, resulting in an out-of-bounds write...

BIT-LIBPHP-2024-11235 Reference counting in php_request_shutdown causes Use-After-Free

In PHP versions 8.3. before 8.3.19 and 8.4. before 8.4.5, a code sequence involving set handler or ??= operator and exceptions can lead to a use-after-free vulnerability. If the third party can control the memory layout leading to this, for example by supplying specially crafted inputs to the...

BIT-LIBPHP-2024-11234 Configuring a proxy in a stream context might allow for CRLF injection in URIs

In PHP versions 8.1. before 8.1.31, 8.2. before 8.2.26, 8.3. before 8.3.14, when using streams with configured proxy and "requestfulluri" option, the URI is not properly sanitized which can lead to HTTP request smuggling and allow the attacker to use the proxy to perform arbitrary HTTP requests...

BIT-LIBPHP-2024-11233 Single byte overread with convert.quoted-printable-decode filter

In PHP versions 8.1. before 8.1.31, 8.2. before 8.2.26, 8.3. before 8.3.14, due to an error in convert.quoted-printable-decode filter certain data can lead to buffer overread by one byte, which can in certain circumstances lead to crashes or disclose content of other memory areas...

BIT-LIBPHP-2023-3824 Buffer overflow and overread in phar_dir_read()

In PHP version 8.0. before 8.0.30, 8.1. before 8.1.22, and 8.2. before 8.2.8, when loading phar file, while reading PHAR directory entries, insufficient length checking may lead to a stack buffer overflow, leading potentially to memory corruption or RCE...

BIT-LIBPHP-2023-3823 Security issue with external entity loading in XML without enabling it

In PHP versions 8.0. before 8.0.30, 8.1. before 8.1.22, and 8.2. before 8.2.8 various XML functions rely on libxml global state to track configuration variables, like whether external entities are loaded. This state is assumed to be unchanged unless the user explicitly changes it by calling...

BIT-LIBPHP-2023-3247 Missing error check and insufficient random bytes in HTTP Digest authentication for SOAP

In PHP versions 8.0. before 8.0.29, 8.1. before 8.1.20, 8.2. before 8.2.7 when using SOAP HTTP Digest Authentication, random value generator was not checked for failure, and was using narrower range of values than it should have. In case of random generator failure, it could lead to a disclosure ...

BIT-LIBPHP-2023-0662 DoS vulnerability when parsing multipart request body

In PHP 8.0.X before 8.0.28, 8.1.X before 8.1.16 and 8.2.X before 8.2.3, excessive number of parts in HTTP form upload can cause high resource consumption and excessive number of log entries. This can cause denial of service on the affected server by exhausting CPU resources or disk space...

BIT-LIBPHP-2023-0568 Array overrun in common path resolve code

In PHP 8.0.X before 8.0.28, 8.1.X before 8.1.16 and 8.2.X before 8.2.3, core path resolution function allocate buffer one byte too small. When resolving paths with lengths close to system MAXPATHLEN setting, this may lead to the byte after the allocated buffer being overwritten with NUL value,...

BIT-LIBPHP-2023-0567 password_verify() always returns true for some invalid hashes

In PHP 8.0.X before 8.0.28, 8.1.X before 8.1.16 and 8.2.X before 8.2.3, passwordverify function may accept some invalid Blowfish hashes as valid. If such invalid hash ever ends up in the password database, it may lead to an application allowing any password for this entry as valid...

BIT-LIBPHP-2022-4900 Potential buffer overflow in php_cli_server_startup_workers

A vulnerability was found in PHP where setting the environment variable PHPCLISERVERWORKERS to a large value leads to a heap buffer overflow...

BIT-LIBPHP-2022-37454

The Keccak XKCP SHA-3 reference implementation before fdc6fef has an integer overflow and resultant buffer overflow that allows attackers to execute arbitrary code or eliminate expected cryptographic properties. This occurs in the sponge function interface...

BIT-LIBPHP-2022-31631 PDO::quote() may return unquoted string

In PHP versions 8.0. before 8.0.27, 8.1. before 8.1.15, 8.2. before 8.2.2 when using PDO::quote function to quote user-supplied data for SQLite, supplying an overly long string may cause the driver to incorrectly quote the data, which may further lead to SQL injection vulnerabilities...

BIT-LIBPHP-2022-31630 OOB read due to insufficient input validation in imageloadfont()

In PHP versions prior to 7.4.33, 8.0.25 and 8.1.12, when using imageloadfont function in gd extension, it is possible to supply a specially crafted font file, such as if the loaded font is used with imagechar function, the read outside allocated buffer will be used. This can lead to crashes or...

BIT-LIBPHP-2022-31629 $_COOKIE names string replacement (. -> _): cookie integrity vulnerabilities

In PHP versions before 7.4.31, 8.0.24 and 8.1.11, the vulnerability enables network and same-site attackers to set a standard insecure cookie in the victim's browser which is treated as a Host- or Secure- cookie by PHP applications...

BIT-LIBPHP-2022-31628 phar wrapper can occur dos when using quine gzip file

In PHP versions before 7.4.31, 8.0.24 and 8.1.11, the phar uncompressor code would recursively uncompress "quines" gzip files, resulting in an infinite loop...

BIT-LIBPHP-2022-31627 Heap buffer overflow in finfo_buffer

In PHP versions 8.1.x below 8.1.8, when fileinfo functions, such as finfobuffer, due to incorrect patch applied to the third party code from libmagic, incorrect function may be used to free allocated memory, which may lead to heap corruption...

BIT-LIBPHP-2022-31626 mysqlnd/pdo password buffer overflow

In PHP versions 7.4.x below 7.4.30, 8.0.x below 8.0.20, and 8.1.x below 8.1.7, when pdomysql extension with mysqlnd driver, if the third party is allowed to supply host to connect to and the password for the connection, password of excessive length can trigger a buffer overflow in PHP, which can...

BIT-LIBPHP-2022-31625 Freeing unallocated memory in php_pgsql_free_params()

In PHP versions 7.4.x below 7.4.30, 8.0.x below 8.0.20, and 8.1.x below 8.1.7, when using Postgres database extension, supplying invalid parameters to the parametrized query may lead to PHP attempting to free memory using uninitialized data as pointers. This could lead to RCE vulnerability or...

BIT-LIBPHP-2021-21708 UAF due to php_filter_float() failing

In PHP versions 7.4.x below 7.4.28, 8.0.x below 8.0.16, and 8.1.x below 8.1.3, when using filter functions with FILTERVALIDATEFLOAT filter and min/max limits, if the filter fails, there is a possibility to trigger use of allocated memory after free, which can result it crashes, and potentially in...

BIT-LIBPHP-2021-21707 Special characters break path parsing in XML functions

In PHP versions 7.3.x below 7.3.33, 7.4.x below 7.4.26 and 8.0.x below 8.0.13, certain XML parsing functions, like simplexmlloadfile, URL-decode the filename passed to them. If that filename contains URL-encoded NUL character, this may cause the function to interpret this as the end of the...

BIT-LIBPHP-2021-21706 ZipArchive::extractTo may extract outside of destination dir

In PHP versions 7.3.x below 7.3.31, 7.4.x below 7.4.24 and 8.0.x below 8.0.11, in Microsoft Windows environment, ZipArchive::extractTo may be tricked into writing a file outside target directory when extracting a ZIP file, thus potentially causing files to be created or overwritten, subject to OS...

BIT-LIBPHP-2021-21705 Incorrect URL validation in FILTER_VALIDATE_URL

In PHP versions 7.3.x below 7.3.29, 7.4.x below 7.4.21 and 8.0.x below 8.0.8, when using URL validation functionality via filtervar function with FILTERVALIDATEURL parameter, an URL with invalid password field can be accepted as valid. This can lead to the code incorrectly parsing the URL and...

BIT-LIBPHP-2021-21704 Multiple vulnerabilities in Firebird client extension

In PHP versions 7.3.x below 7.3.29, 7.4.x below 7.4.21 and 8.0.x below 8.0.8, when using Firebird PDO driver extension, a malicious database server could cause crashes in various database functions, such as getAttribute, execute, fetch and others by returning invalid response data that is not...

BIT-LIBPHP-2021-21703 PHP-FPM memory access in root process leading to privilege escalation

In PHP versions 7.3.x up to and including 7.3.31, 7.4.x below 7.4.25 and 8.0.x below 8.0.12, when running PHP FPM SAPI with main FPM daemon process running as root and child worker processes running as lower-privileged users, it is possible for the child processes to access memory shared with the...

BIT-LIBPHP-2021-21702 Null Dereference in SoapClient

In PHP versions 7.3.x below 7.3.27, 7.4.x below 7.4.15 and 8.0.x below 8.0.2, when using SOAP extension to connect to a SOAP server, a malicious SOAP server could return malformed XML data as a response that would cause PHP to access a null pointer and thus cause a crash...

BIT-LIBPHP-2020-7071 FILTER_VALIDATE_URL accepts URLs with invalid userinfo

In PHP versions 7.3.x below 7.3.26, 7.4.x below 7.4.14 and 8.0.0, when validating URL with functions like filtervar$url, FILTERVALIDATEURL, PHP will accept an URL with invalid password as valid URL. This may lead to functions that rely on URL being valid to mis-parse the URL and produce wrong dat...

BIT-LIBPHP-2020-7070 PHP parses encoded cookie names so malicious `__Host-` cookies can be sent

In PHP versions 7.2.x below 7.2.34, 7.3.x below 7.3.23 and 7.4.x below 7.4.11, when PHP is processing incoming HTTP cookie values, the cookie names are url-decoded. This may lead to cookies with prefixes like Host confused with cookies that decode to such prefix, thus leading to an attacker being...

BIT-LIBPYTHON-2025-4517 Arbitrary writes via tarfile realpath overflow

Allows arbitrary filesystem writes outside the extraction directory during extraction with filter="data". You are affected by this vulnerability if using the tarfile module to extract untrusted tar archives using TarFile.extractall or TarFile.extract using the filter= parameter with a value of...

BIT-LIBPHP-2020-7069 Wrong ciphertext/tag in AES-CCM encryption for a 12 bytes IV

In PHP versions 7.2.x below 7.2.34, 7.3.x below 7.3.23 and 7.4.x below 7.4.11, when AES-CCM mode is used with opensslencrypt function with 12 bytes IV, only first 7 bytes of the IV is actually used. This can lead to both decreased security and incorrect encryption data...

BIT-LIBPHP-2020-7068 Use of freed hash key in the phar_parse_zipfile function

In PHP versions 7.2.x below 7.2.33, 7.3.x below 7.3.21 and 7.4.x below 7.4.9, while processing PHAR files using phar extension, pharparsezipfile could be tricked into accessing freed memory, which could lead to a crash or information disclosure...

BIT-LIBPYTHON-2025-4516 Use-after-free in "unicode_escape" decoder with error handler

There is an issue in CPython when using bytes.decode"unicodeescape", error="ignore|replace". If you are not using the "unicodeescape" encoding or an error handler your usage is not affected. To work-around this issue you may stop using the error= handler and instead wrap the bytes.decode call in ...

BIT-LIBPYTHON-2025-4435 Tarfile extracts filtered members when errorlevel=0

When using a TarFile.errorlevel = 0 and extracting with a filter the documented behavior is that any filtered members would be skipped and not extracted. However the actual behavior of TarFile.errorlevel = 0 in affected versions is that the member would still be extracted and not skipped...

BIT-LIBPHP-2020-7067 OOB Read in urldecode()

In PHP versions 7.2.x below 7.2.30, 7.3.x below 7.3.17 and 7.4.x below 7.4.5, if PHP is compiled with EBCDIC support uncommon, urldecode function can be made to access locations past the allocated memory, due to erroneously using signed numbers as array indexes...

BIT-LIBPYTHON-2025-4330 Extraction filter bypass for linking outside extraction directory

Allows the extraction filter to be ignored, allowing symlink targets to point outside the destination directory, and the modification of some file metadata. You are affected by this vulnerability if using the tarfile module to extract untrusted tar archives using TarFile.extractall or...

BIT-LIBPHP-2020-7066 get_headers() silently truncates after a null byte

In PHP versions 7.2.x below 7.2.29, 7.3.x below 7.3.16 and 7.4.x below 7.4.4, while using getheaders with user-supplied URL, if the URL contains zero \0 character, the URL will be silently truncated at it. This may cause some software to make incorrect assumptions about the target of the getheade...

BIT-LIBPHP-2020-7065 mb_strtolower (UTF-32LE): stack-buffer-overflow at php_unicode_tolower_full

In PHP versions 7.3.x below 7.3.16 and 7.4.x below 7.4.4, while using mbstrtolower function with UTF-32LE encoding, certain invalid strings could cause PHP to overwrite stack-allocated buffer. This could lead to memory corruption, crashes and potentially code execution...

BIT-LIBPYTHON-2025-4138 Bypassing extraction filter to create symlinks to arbitrary targets outside extraction directory

Allows the extraction filter to be ignored, allowing symlink targets to point outside the destination directory, and the modification of some file metadata. You are affected by this vulnerability if using the tarfile module to extract untrusted tar archives using TarFile.extractall or...

BIT-LIBPHP-2020-7064 Use-of-uninitialized-value in exif

In PHP versions 7.2.x below 7.2.9, 7.3.x below 7.3.16 and 7.4.x below 7.4.4, while parsing EXIF data with exifreaddata function, it is possible for malicious data to cause PHP to read one byte of uninitialized memory. This could potentially lead to information disclosure or crash...

BIT-LIBPYTHON-2025-1795 Mishandling of comma during folding and unicode-encoding of email headers

During an address list folding when a separating comma ends up on a folded line and that line is to be unicode-encoded then the separator itself is also unicode-encoded. Expected behavior is that the separating comma remains a plan comma. This can result in the address header being misinterpreted...

BIT-LIBPHP-2020-7063 Files added to tar with Phar::buildFromIterator have all-access permissions

In PHP versions 7.2.x below 7.2.28, 7.3.x below 7.3.15 and 7.4.x below 7.4.3, when creating PHAR archive using PharData::buildFromIterator function, the files are added with default permissions 0666, or all access even if the original files on the filesystem were with more restrictive permissions...

BIT-LIBPYTHON-2025-0938 URL parser allowed square brackets in domain names

The Python standard library functions urllib.parse.urlsplit and urlparse accepted domain names that included square brackets which isn't valid according to RFC 3986. Square brackets are only meant to be used as delimiters for specifying IPv6 and IPvFuture hosts in URLs. This could result in...

BIT-LIBPHP-2020-7062 Null Pointer Dereference in PHP Session Upload Progress

In PHP versions 7.2.x below 7.2.28, 7.3.x below 7.3.15 and 7.4.x below 7.4.3, when using file upload functionality, if upload progress tracking is enabled, but session.uploadprogress.cleanup is set to 0 disabled, and the file upload fails, the upload procedure would try to clean up data that does...

BIT-LIBPYTHON-2024-9287 Virtual environment (venv) activation scripts don't quote paths

A vulnerability has been found in the CPython venv module and CLI where path names provided when creating a virtual environment were not quoted properly, allowing the creator to inject commands into virtual environment "activation" scripts ie "source venv/bin/activate". This means that...

BIT-LIBPHP-2020-7061 heap-buffer-overflow in phar_extract_file

In PHP versions 7.3.x below 7.3.15 and 7.4.x below 7.4.3, while extracting PHAR files on Windows using phar extension, certain content inside PHAR file could lead to one-byte read past the allocated buffer. This could potentially lead to information disclosure or crash...

BIT-LIBPYTHON-2024-8088 Infinite loop when iterating over zip archive entry names from zipfile.Path

There is a HIGH severity vulnerability affecting the CPython "zipfile" module affecting "zipfile.Path". Note that the more common API "zipfile.ZipFile" class is unaffected. When iterating over names of entries in a zip archive for example, methods of "zipfile.Path" like "namelist", "iterdir", etc...

BIT-LIBPHP-2020-7060 global buffer-overflow in mbfl_filt_conv_big5_wchar

When using certain mbstring functions to convert multibyte encodings, in PHP versions 7.2.x below 7.2.27, 7.3.x below 7.3.14 and 7.4.x below 7.4.2 it is possible to supply data that will cause function mbflfiltconvbig5wchar to read past the allocated buffer. This may lead to information disclosur...