Information Exposure Affecting nss package, versions <2:3.53-1


Severity

Recommended
0.0
medium
0
10

Snyk's Security Team recommends NVD's CVSS assessment. Learn more

Threat Intelligence

EPSS
0.06% (30th percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-NSS-569768
  • published20 May 2020
  • disclosed9 Jul 2020

Introduced: 20 May 2020

CVE-2020-12399  (opens in a new tab)
CWE-203  (opens in a new tab)

How to fix?

Upgrade Debian:unstable nss to version 2:3.53-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream nss package and not the nss package as distributed by Debian. See How to fix? for Debian:unstable relevant fixed versions and status.

NSS has shown timing differences when performing DSA signatures, which was exploitable and could eventually leak private keys. This vulnerability affects Thunderbird < 68.9.0, Firefox < 77, and Firefox ESR < 68.9.

CVSS Scores

version 3.1