QID 375959

Date Published: 2021-10-20

QID 375959: Mozilla Thunderbird Multiple Vulnerabilities (MFSA2021-47)

Thunderbird is a free and open-source cross-platform email client developed for Windows, OS X, and Linux, with a mobile version for Android.

Mozilla Firefox is prone to
CVE-2021-38502 Downgrade attack on SMTP STARTTLS connections
CVE-2021-38496 Use-after-free in MessageTask
CVE-2021-38497 Validation message could have been overlaid on another origin
CVE-2021-38498 Use-after-free of nsLanguageAtomService object
CVE-2021-32810 Data race in crossbeam-deque
CVE-2021-38500 Memory safety bugs
CVE-2021-38501 Memory safety bugs

Affected Products:
Prior to Mozilla Thunderbird 91.2

Successful exploitation of this vulnerability may allow an attacker to corrupt memory leading to a potentially exploitable crash.

CVSS V3 rated as Critical - 9.8 severity.

CVSS V2 rated as High - 6.8 severity.

Solution

Vendor has released fix to address these vulnerabilities. Refer to MFSA2021-47

Vendor References

MFSA2021-47 - www.mozilla.org/en-US/security/advisories/mfsa2021-47/

CVEs related to QID 375959

CVE-2021-38502 | CVE-2021-38496 | CVE-2021-38497 | CVE-2021-38498 | CVE-2021-32810 | CVE-2021-38500 | CVE-2021-38501 |

Software Advisories

Advisory ID	Software	Component	Link
MFSA2021-47			www.mozilla.org/en-US/security/advisories/mfsa2021-47/

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