Arbitrary Code Injection Affecting firefox-esr package, versions <78.9.0esr-1
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Test your applications- Snyk ID SNYK-DEBIAN12-FIREFOXESR-1546319
- published 25 Jun 2021
- disclosed 24 Jun 2021
Introduced: 24 Jun 2021
CVE-2021-29955 Open this link in a new tabHow to fix?
Upgrade Debian:12
firefox-esr
to version 78.9.0esr-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream firefox-esr
package and not the firefox-esr
package as distributed by Debian
.
See How to fix?
for Debian:12
relevant fixed versions and status.
A transient execution vulnerability, named Floating Point Value Injection (FPVI) allowed an attacker to leak arbitrary memory addresses and may have also enabled JIT type confusion attacks. (A related vulnerability, Speculative Code Store Bypass (SCSB), did not affect Firefox.). This vulnerability affects Firefox ESR < 78.9 and Firefox < 87.