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Vulnerability of Mozilla NSS: vulnerability via Middlebox Compatibility Mode CCS

Synthesis of the vulnerability 

A vulnerability via Middlebox Compatibility Mode CCS of Mozilla NSS was announced.
Vulnerable software: Fedora, NSS, RHEL.
Severity of this announce: 2/4.
Creation date: 22/10/2020.
Références of this computer vulnerability: 1641480, CVE-2020-25648, FEDORA-2020-a857113c7a, FEDORA-2020-bb91bf9b8e, FEDORA-2020-f29254bd5e, RHSA-2021:1384-01, VIGILANCE-VUL-33655.

Description of the vulnerability 

A vulnerability via Middlebox Compatibility Mode CCS of Mozilla NSS was announced.
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This cybersecurity announce impacts software or systems such as Fedora, NSS, RHEL.

Our Vigil@nce team determined that the severity of this threat alert is medium.

The trust level is of type confirmed by the editor, with an origin of document.

An attacker with a expert ability can exploit this computer weakness alert.

Solutions for this threat 

Mozilla NSS: version 3.58.
The version 3.58 is fixed:
  https://ftp.mozilla.org/pub/security/nss/releases/NSS_3_58_RTM/src/

Fedora 31-32: new nss packages.
New packages are available:
  Fedora 31: nss 3.58.0-3.fc31
  Fedora 32: nss 3.58.0-3.fc32

Fedora 33: new nss packages.
New packages are available:
  Fedora 33: nss 3.58.0-3.fc33

RHEL 7: new nss packages.
New packages are available:
  RHEL 7.9: nss 3.53.1-7.el7_9
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Computer vulnerabilities tracking service 

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