------------------------------------------------------------------------- Debian LTS Advisory DLA-2431-2 debian-...@lists.debian.org https://www.debian.org/lts/security/ Markus Koschany January 30, 2021 https://wiki.debian.org/LTS -------------------------------------------------------------------------
Package : libonig Version : 6.1.3-2+deb9u2 CVE ID : CVE-2020-26159 It was discovered that CVE-2020-26159 in the Oniguruma regular expressions library, notably used in PHP mbstring, was a false-positive. In consequence the patch for CVE-2020-26159 was reverted. For reference, the original advisory text follows. CVE-2020-26159 In Oniguruma an attacker able to supply a regular expression for compilation may be able to overflow a buffer by one byte in concat_opt_exact_str in src/regcomp.c For Debian 9 stretch, this problem has been fixed in version 6.1.3-2+deb9u2. We recommend that you upgrade your libonig packages. For the detailed security status of libonig please refer to its security tracker page at: https://security-tracker.debian.org/tracker/libonig Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS
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