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Debian Security Advisory DSA-3982-1                   security@debian.org
https://www.debian.org/security/                     Salvatore Bonaccorso
September 21, 2017                    https://www.debian.org/security/faq
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Package        : perl
CVE ID         : CVE-2017-12837 CVE-2017-12883
Debian Bug     : 875596 875597

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.

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.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org

Debian: DSA-3982-1: perl security update

September 21, 2017
Multiple vulnerabilities were discovered in the implementation of the Perl programming language

Summary

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.

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.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org

Severity
Multiple vulnerabilities were discovered in the implementation of the
Perl programming language. The Common Vulnerabilities and Exposures
project identifies the following problems:

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