CVE-2021-29970

EPSS 1.4%

Vexday Risk Score

3Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS —EPSS 1.4%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado

Lifecycle

05 Aug 2021Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

A malicious webpage could have triggered a use-after-free, memory corruption, and a potentially exploitable crash. *This bug could only be triggered when accessibility was enabled.*. This vulnerability affects Thunderbird < 78.12, Firefox ESR < 78.12, and Firefox < 90.

Affected products

Mozilla · Firefox Mozilla · Firefox ESR Mozilla · Thunderbird

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References

https://bugzilla.mozilla.org/show_bug.cgi?id=1709976 https://security.gentoo.org/glsa/202202-03 https://security.gentoo.org/glsa/202208-14 https://www.mozilla.org/security/advisories/mfsa2021-28/https://www.mozilla.org/security/advisories/mfsa2021-29/https://www.mozilla.org/security/advisories/mfsa2021-30/