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Debian Security Advisory DSA-3998-1                   security@debian.org
https://www.debian.org/security/                     Salvatore Bonaccorso
October 11, 2017                      https://www.debian.org/security/faq
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Package        : nss
CVE ID         : CVE-2017-7805

Martin Thomson discovered that nss, the Mozilla Network Security Service
library, is prone to a use-after-free vulnerability in the TLS 1.2
implementation when handshake hashes are generated. A remote attacker
can take advantage of this flaw to cause an application using the nss
library to crash, resulting in a denial of service, or potentially to
execute arbitrary code.

For the oldstable distribution (jessie), this problem has been fixed
in version 2:3.26-1+debu8u3.

For the stable distribution (stretch), this problem has been fixed in
version 2:3.26.2-1.1+deb9u1.

For the testing distribution (buster), this problem has been fixed
in version 2:3.33-1.

For the unstable distribution (sid), this problem has been fixed in
version 2:3.33-1.

We recommend that you upgrade your nss 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-3998-1: nss security update

October 11, 2017
Martin Thomson discovered that nss, the Mozilla Network Security Service library, is prone to a use-after-free vulnerability in the TLS 1.2 implementation when handshake hashes are...

Summary

For the oldstable distribution (jessie), this problem has been fixed
in version 2:3.26-1+debu8u3.

For the stable distribution (stretch), this problem has been fixed in
version 2:3.26.2-1.1+deb9u1.

For the testing distribution (buster), this problem has been fixed
in version 2:3.33-1.

For the unstable distribution (sid), this problem has been fixed in
version 2:3.33-1.

We recommend that you upgrade your nss 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
Martin Thomson discovered that nss, the Mozilla Network Security Service
library, is prone to a use-after-free vulnerability in the TLS 1.2
implementation when handshake hashes are generated. A remote attacker
can take advantage of this flaw to cause an application using the nss
library to crash, resulting in a denial of service, or potentially to
execute arbitrary code.

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