Debian Security Advisory
DSA-4172-1 perl -- security update
- Date Reported:
- 14 Apr 2018
- Affected Packages:
- Security database references:
- In Mitre's CVE dictionary: CVE-2018-6797, CVE-2018-6798, CVE-2018-6913.
- More information:
Multiple vulnerabilities were discovered in the implementation of the Perl programming language. The Common Vulnerabilities and Exposures project identifies the following problems:
Brian Carpenter reported that a crafted regular expression could cause a heap buffer write overflow, with control over the bytes written.
Nguyen Duc Manh reported that matching a crafted locale dependent regular expression could cause a heap buffer read overflow and potentially information disclosure.
GwanYeong Kim reported that 'pack()' could cause a heap buffer write overflow with a large item count.
For the oldstable distribution (jessie), these problems have been fixed in version 5.20.2-3+deb8u10. The oldstable distribution (jessie) update contains only a fix for CVE-2018-6913.
For the stable distribution (stretch), these problems have been fixed in version 5.24.1-3+deb9u3.
We recommend that you upgrade your perl packages.
For the detailed security status of perl please refer to its security tracker page at: https://security-tracker.debian.org/tracker/perl