USN-2916-1

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USN-2916-1

Summary: perl vulnerabilities

Details: It was discovered that Perl incorrectly handled certain regular expressions with an invalid backreference. An attacker could use this issue to cause Perl to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2013-7422) Markus Vervier discovered that Perl incorrectly handled nesting in the Data::Dumper module. An attacker could use this issue to cause Perl to consume memory and crash, resulting in a denial of service. (CVE-2014-4330) Stephane Chazelas discovered that Perl incorrectly handled duplicate environment variables. An attacker could possibly use this issue to bypass the taint protection mechanism. (CVE-2016-2381)

References: https://ubuntu.com/security/notices/USN-2916-1, https://ubuntu.com/security/CVE-2013-7422, https://ubuntu.com/security/CVE-2014-4330, https://ubuntu.com/security/CVE-2016-2381