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OPENSUSE-SU-2021:0208-1 Not scored

Security update for MozillaThunderbird

This update for MozillaThunderbird fixes the following issues: - Mozilla Thunderbird was updated to 78.7.0 ESR (MFSA 2021-05, bsc#1181414) * CVE-2021-23953: Fixed a Cross-origin information leakage via redirected PDF requests * CVE-2021-23954: Fixed a type confusion when using logical assignment operators in JavaScript switch statements * CVE-2020-26976: Fixed an issue where HTTPS pages could have been intercepted by a registered service worker when they should not have been * CVE-2021-23960: Fixed a use-after-poison for incorrectly redeclared JavaScript variables during GC * CVE-2021-23964: Fixed Memory safety bugs * CVE-2020-15685: Fixed an IMAP Response Injection when using STARTTLS This update was imported from the SUSE:SLE-15:Update update project.

Exploit probability Not scored
Published January 30, 2021
Required by Not available
Last source change February 4, 2026

02 / AFFECTED SOFTWARE

Affected packages

openSUSE:Leap 15.1 MozillaThunderbird

03 / CONNECTIONS

Connected vulnerabilities

04 / EVIDENCE

Source records

Open Source Vulnerabilities openSUSE-SU-2021:0208-1

This update for MozillaThunderbird fixes the following issues: - Mozilla Thunderbird was updated to 78.7.0 ESR (MFSA 2021-05, bsc#1181414) * CVE-2021-23953: Fixed a Cross-origin information leakage via redirected PDF requests * CVE-2021-23954: Fixed a type confusion when using logical assignment operators in JavaScript switch statements * CVE-2020-26976: Fixed an issue where HTTPS pages could have been intercepted by a registered service worker when they should not have been * CVE-2021-23960: Fixed a use-after-poison for incorrectly redeclared JavaScript variables during GC * CVE-2021-23964: Fixed Memory safety bugs * CVE-2020-15685: Fixed an IMAP Response Injection when using STARTTLS This update was imported from the SUSE:SLE-15:Update update project.

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05 / REFERENCES

Further evidence