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Debian Security Advisory DSA-3861-1                   security@debian.org
https://www.debian.org/security/                       Sebastien Delafond
May 24, 2017                          https://www.debian.org/security/faq
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Package        : libtasn1-6
CVE ID         : CVE-2017-6891
Debian Bug     : 863186

Jakub Jirasek of Secunia Research discovered that libtasn1, a library
used to handle Abstract Syntax Notation One structures, did not
properly validate its input. This would allow an attacker to cause a
crash by denial-of-service, or potentially execute arbitrary code, by
tricking a user into processing a maliciously crafted assignments
file.

For the stable distribution (jessie), this problem has been fixed in
version 4.2-3+deb8u3.

We recommend that you upgrade your libtasn1-6 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-3861-1: libtasn1-6 security update

May 24, 2017
Jakub Jirasek of Secunia Research discovered that libtasn1, a library used to handle Abstract Syntax Notation One structures, did not properly validate its input

Summary

For the stable distribution (jessie), this problem has been fixed in
version 4.2-3+deb8u3.

We recommend that you upgrade your libtasn1-6 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
Jakub Jirasek of Secunia Research discovered that libtasn1, a library
used to handle Abstract Syntax Notation One structures, did not
properly validate its input. This would allow an attacker to cause a
crash by denial-of-service, or potentially execute arbitrary code, by
tricking a user into processing a maliciously crafted assignments
file.

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