[RHSA-2021:0298] thunderbird security update

Severity Important
Affected Packages 3
CVEs 6

Mozilla Thunderbird is a standalone mail and newsgroup client.

This update upgrades Thunderbird to version 78.7.0.

Security Fix(es):

  • Mozilla: Cross-origin information leakage via redirected PDF requests (CVE-2021-23953)

  • Mozilla: Type confusion when using logical assignment operators in JavaScript switch statements (CVE-2021-23954)

  • Mozilla: Memory safety bugs fixed in Firefox 85 and Firefox ESR 78.7 (CVE-2021-23964)

  • Mozilla: IMAP Response Injection when using STARTTLS (CVE-2020-15685)

  • Mozilla: HTTPS pages could have been intercepted by a registered service worker when they should not have been (CVE-2020-26976)

  • Mozilla: Use-after-poison for incorrectly redeclared JavaScript variables during GC (CVE-2021-23960)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Type Package URL Namespace Name / Product Version Distribution / Platform Arch Patch / Fix
Affected pkg:rpm/redhat/thunderbird?arch=x86_64&distro=redhat-8.3 redhat thunderbird < 78.7.0-1.el8_3 redhat-8.3 x86_64
Affected pkg:rpm/redhat/thunderbird?arch=ppc64le&distro=redhat-8.3 redhat thunderbird < 78.7.0-1.el8_3 redhat-8.3 ppc64le
Affected pkg:rpm/redhat/thunderbird?arch=aarch64&distro=redhat-8.3 redhat thunderbird < 78.7.0-1.el8_3 redhat-8.3 aarch64
# CVE Description CVSS EPSS EPSS Trend (30 days) Affected Products Weaknesses Security Advisories Exploits PoC Pubblication Date Modification Date
# CVE Description CVSS EPSS EPSS Trend (30 days) Affected Products Weaknesses Security Advisories PoC Pubblication Date Modification Date
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