Test ID:	1.3.6.1.4.1.25623.1.1.1.2.2021.2431
Category:	Debian Local Security Checks
Title:	Debian: Security Advisory (DLA-2431)
Summary:	The remote host is missing an update for the Debian 'libonig' package(s) announced via the DLA-2431 advisory.
Description:	Summary: The remote host is missing an update for the Debian 'libonig' package(s) announced via the DLA-2431 advisory. Vulnerability Insight: 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: [link moved to references] Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: [link moved to references] Affected Software/OS: 'libonig' package(s) on Debian 9. Solution: Please install the updated package(s). CVSS Score: 5.0 CVSS Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N
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