Alerts This Week
Warning Icon 1 914
Alerts This Week
Warning Icon 1 914

Debian 9 DLA-2431-2 Moderate: libonig Buffer Overflow Reversion

debian lts
Calendar Grey January 30, 2021
Dist Debian Esm H88
Debian LTS Advisory DLA-2432-1 addresses an issue with libxml2, advising users to update their packages to enhance security.
It was discovered that CVE-2020-26159 in the Oniguruma regular expressions library, notably used in PHP mbstring, was a false-positive
Topics%20covered

Topics Covered

security advisory security issue buffer overflow debian false positive libonig

Summary

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/source-package/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


-------------------------------------------------------------------------Package: libonig
Version: 6.1.3-2+deb9u2
CVE ID: CVE-2020-26159

Topics%20covered

Topics Covered

security advisory security issue buffer overflow debian false positive libonig

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here