| Name | CVE-2020-7060 |
| Description | 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 buffer. This may lead to information disclosure or crash. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-2124-1, DSA-4626-1, DSA-4628-1, ELA-216-1 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| php5 (PTS) | jessie, jessie (lts) | 5.6.40+dfsg-0+deb8u21 | fixed |
| php7.0 (PTS) | stretch (security) | 7.0.33-0+deb9u12 | fixed |
| stretch (lts), stretch | 7.0.33-0+deb9u19 | fixed | |
| php7.3 (PTS) | buster, buster (lts) | 7.3.31-1~deb10u8 | fixed |
| buster (security) | 7.3.31-1~deb10u7 | fixed | |
| php7.4 (PTS) | bullseye | 7.4.33-1+deb11u5 | fixed |
| bullseye (security) | 7.4.33-1+deb11u6 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| php5 | source | wheezy | 5.4.45-0+deb7u27 | ELA-216-1 | ||
| php5 | source | jessie | 5.6.40+dfsg-0+deb8u9 | DLA-2124-1 | ||
| php5 | source | (unstable) | (unfixed) | |||
| php7.0 | source | stretch | 7.0.33-0+deb9u7 | DSA-4628-1 | ||
| php7.0 | source | (unstable) | (unfixed) | |||
| php7.3 | source | buster | 7.3.14-1~deb10u1 | DSA-4626-1 | ||
| php7.3 | source | (unstable) | 7.3.15-1 | |||
| php7.4 | source | (unstable) | 7.4.2-7 |
Fixed in PHP 7.4.2, 7.3.14, 7.2.27
PHP Bug: https://bugs.php.net/79037