CVE-2021-38495

EPSS 1.1%

Vexday Risk Score

3Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS —EPSS 1.1%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado

Lifecycle

03 Nov 2021Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

Mozilla developers reported memory safety bugs present in Thunderbird 78.13.0. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Thunderbird < 91.1 and Firefox ESR < 91.1.

Affected products

Mozilla · Firefox ESR Mozilla · Thunderbird

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References

https://bugzilla.mozilla.org/buglist.cgi?bug_id=1723391%2C1723920%2C1724101%2C1724107 https://security.gentoo.org/glsa/202202-03 https://security.gentoo.org/glsa/202208-14 https://www.mozilla.org/security/advisories/mfsa2021-40/https://www.mozilla.org/security/advisories/mfsa2021-41/