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Medium DSA-4628-1 6 CVEs

php7.0 - security update

Published Feb 18, 2020 · Updated Mar 9, 2026

Fixed packages 1

ReleasePackageFixed in
Debian · 9 php7.0 7.0.33-0+deb9u7

Vulnerabilities 6

  • Medium 6.5

    OOB read in php_strip_tags_ex

    When using fgetss() function to read data with stripping tags, 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 this function to read past the allocated buffer. This may lead to informa…

  • Medium 6.5

    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 mbfl_filt_conv_big5_wchar to read past the allocated buff…

  • Medium 4.8

    Heap-buffer-overflow READ in exif

    When PHP EXIF extension is parsing EXIF information from an image, e.g. via exif_read_data() function, in PHP versions 7.2.x below 7.2.26, 7.3.x below 7.3.13 and 7.4.0 it is possible to supply it with data what will cause it to read past the allocated buffer.…

  • Medium 4.8

    Use-after-free in exif parsing under memory sanitizer

    When PHP EXIF extension is parsing EXIF information from an image, e.g. via exif_read_data() function, in PHP versions 7.2.x below 7.2.26, 7.3.x below 7.3.13 and 7.4.0 it is possible to supply it with data what will cause it to read past the allocated buffer.…

  • Low 3.7

    DirectoryIterator class silently truncates after a null byte

    In PHP versions 7.2.x below 7.2.26, 7.3.x below 7.3.13 and 7.4.0, PHP DirectoryIterator class accepts filenames with embedded \0 byte and treats them as terminating at that byte. This could lead to security vulnerabilities, e.g. in applications checking paths…

  • Low 3.7

    Buffer underflow in bc_shift_addsub

    In PHP versions 7.2.x below 7.2.26, 7.3.x below 7.3.13 and 7.4.0, PHP bcmath extension functions on some systems, including Windows, can be tricked into reading beyond the allocated space by supplying it with string containing characters that are identified a…