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Critical DLA-3243-1 6 CVEs

php7.3 - security update

Published Dec 15, 2022 · Updated Mar 9, 2026

Fixed packages 1

ReleasePackageFixed in
Debian · 10 php7.3 7.3.31-1~deb10u2

Vulnerabilities 6

  • Critical 9.8

    Buffer overflow in sponge queue functions

    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.

  • High 8.1

    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 …

  • High 7.5
    CVE-2022-31626 Public exploit EPSS 58%

    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 pdo_mysql 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 trigg…

  • Medium 6.5
    CVE-2022-31629 Public exploit EPSS 50%

    $_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.

  • Medium 5.3
    CVE-2021-21707 Public exploit EPSS 25%

    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 simplexml_load_file(), URL-decode the filename passed to them. If that filename contains URL-encoded NUL character, this may cause the function …

  • Low 2.3

    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.