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Debian Security Advisory DSA 3982-1 (perl - security update)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
Multiple vulnerabilities were discovered in the implementation of the Perl programming language. The Common Vulnerabilities and Exposures project identifies the following problems: CVE-2017-12837 Jakub Wilk reported a heap buffer overflow flaw in the regular expression compiler, allowing a remote attacker to cause a denial of service via a specially crafted regular expression with the case-insensitive modifier. CVE-2017-12883 Jakub Wilk reported a buffer over-read flaw in the regular expression parser, allowing a remote attacker to cause a denial of service or information leak.
Affected Software
Affected Software
perl on Debian Linux
Detection Method
Detection Method
This check tests the installed software version using the apt package manager.
Solution
Solution
For the oldstable distribution (jessie), these problems have been fixed in version 5.20.2-3+deb8u9. For the stable distribution (stretch), these problems have been fixed in version 5.24.1-3+deb9u2. For the testing distribution (buster), these problems have been fixed in version 5.26.0-8. For the unstable distribution (sid), these problems have been fixed in version 5.26.0-8. We recommend that you upgrade your perl packages.