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Debian 8 LTS DLA-1857-1: nss Segmentation Faults and Information Disclosure

debian lts
Calendar Grey July 20, 2019
Dist Debian Esm H88
Crucial update for NSS users: We've faced significant issues leading to data leaks and system downtime. Please install immediately to boost security and performance
Vulnerabilities have been discovered in nss, the Mozilla Network Security Service library
Topics%20covered

Topics Covered

security advisory debian information disclosure segmentation fault nss

Summary

CVE-2019-11719: Out-of-bounds read when importing curve25519 private key

When importing a curve25519 private key in PKCS#8format with leading
0x00 bytes, it is possible to trigger an out-of-bounds read in the
Network Security Services (NSS) library. This could lead to
information disclosure.

CVE-2019-11729: Empty or malformed p256-ECDH public keys may trigger a
segmentation fault

Empty or malformed p256-ECDH public keys may trigger a segmentation
fault due values being improperly sanitized before being copied into
memory and used.

For Debian 8 "Jessie", these problems have been fixed in version
2:3.26-1+debu8u5.

We recommend that you upgrade your nss packages.

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


Severity
critical
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<pre><font face="Courier">Package: nss
Version: 2:3.26-1+debu8u5
CVE ID: CVE-2019-11719 CVE-2019-11729

Topics%20covered

Topics Covered

security advisory debian information disclosure segmentation fault nss

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