Information Exposure Affecting gcc-9 package, versions <9.4.0-1ubuntu1~20.04


Severity

Recommended
0.0
medium
0
10

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.05% (23rd percentile)

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  • Snyk IDSNYK-UBUNTU2004-GCC9-584247
  • published12 Jun 2020
  • disclosed8 Jun 2020

Introduced: 8 Jun 2020

CVE-2020-13844  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade Ubuntu:20.04 gcc-9 to version 9.4.0-1ubuntu1~20.04 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream gcc-9 package and not the gcc-9 package as distributed by Ubuntu. See How to fix? for Ubuntu:20.04 relevant fixed versions and status.

Arm Armv8-A core implementations utilizing speculative execution past unconditional changes in control flow may allow unauthorized disclosure of information to an attacker with local user access via a side-channel analysis, aka "straight-line speculation."

CVSS Scores

version 3.1