CVE-2020-6822

EPSS 1.3%

Vexday Risk Score

3Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS —EPSS 1.3%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado

Lifecycle

24 Apr 2020Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

On 32-bit builds, an out of bounds write could have occurred when processing an image larger than 4 GB in <code>GMPDecodeData</code>. It is possible that with enough effort this could have been exploited to run arbitrary code. This vulnerability affects Thunderbird < 68.7.0, Firefox ESR < 68.7, and Firefox < 75.

Affected products

Mozilla · Firefox Mozilla · Firefox ESR Mozilla · Thunderbird

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References

https://bugzilla.mozilla.org/show_bug.cgi?id=1544181 https://usn.ubuntu.com/4335-1/https://www.mozilla.org/security/advisories/mfsa2020-12/https://www.mozilla.org/security/advisories/mfsa2020-13/https://www.mozilla.org/security/advisories/mfsa2020-14/