| Name | CVE-2019-9023 |
| Description | An issue was discovered in PHP before 5.6.40, 7.x before 7.1.26, 7.2.x before 7.2.14, and 7.3.x before 7.3.1. A number of heap-based buffer over-read instances are present in mbstring regular expression functions when supplied with invalid multibyte data. These occur in ext/mbstring/oniguruma/regcomp.c, ext/mbstring/oniguruma/regexec.c, ext/mbstring/oniguruma/regparse.c, ext/mbstring/oniguruma/enc/unicode.c, and ext/mbstring/oniguruma/src/utf32_be.c when a multibyte regular expression pattern contains invalid multibyte sequences. |
| 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-1679-1, DSA-4398-1, ELA-83-1 |
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 |
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+deb7u18 | ELA-83-1 | ||
| php5 | source | jessie | 5.6.40+dfsg-0+deb8u1 | DLA-1679-1 | ||
| php5 | source | (unstable) | (unfixed) | |||
| php7.0 | source | stretch | 7.0.33-0+deb9u2 | DSA-4398-1 | ||
| php7.0 | source | (unstable) | (unfixed) | |||
| php7.3 | source | (unstable) | 7.3.1-1 |
Fixed in 5.6.40, 7.1.26, 7.2.14, 7.3.1
PHP Bug: https://bugs.php.net/bug.php?id=77370
PHP Bug: https://bugs.php.net/bug.php?id=77371
PHP Bug: https://bugs.php.net/bug.php?id=77381
PHP Bug: https://bugs.php.net/bug.php?id=77382
PHP Bug: https://bugs.php.net/bug.php?id=77385
PHP Bug: https://bugs.php.net/bug.php?id=77394
PHP Bug: https://bugs.php.net/bug.php?id=77418
https://github.com/php/php-src/commit/20407d06ca3cb5eeb10f876a812b40c381574bcc (7.1)
https://github.com/php/php-src/commit/31f59e1f3074ab344b473dde6077a6844ca87264 (7.1)
https://github.com/php/php-src/commit/28362ed4fae6969b5a8878591a5a06eadf114e03 (7.1)
https://github.com/php/php-src/commit/9d6c59eeea88a3e9d7039cb4fed5126ef704593a (7.1)