Incorrect Type Conversion or Cast Affecting firefox package, versions <95.0-1


Severity

Recommended
0.0
high
0
10

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

Threat Intelligence

EPSS
0.46% (76th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-DEBIANUNSTABLE-FIREFOX-2311968
  • published8 Dec 2021
  • disclosed8 Dec 2021

Introduced: 8 Dec 2021

CVE-2021-43537  (opens in a new tab)
CWE-704  (opens in a new tab)

How to fix?

Upgrade Debian:unstable firefox to version 95.0-1 or higher.

NVD Description

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

An incorrect type conversion of sizes from 64bit to 32bit integers allowed an attacker to corrupt memory leading to a potentially exploitable crash. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.

CVSS Scores

version 3.1