(RHSA-2022:0843) Important: thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client.

This update upgrades Thunderbird to version 91.7.0.

Security Fix(es):

• Mozilla: Use-after-free in XSLT parameter processing (CVE-2022-26485)

• Mozilla: Use-after-free in WebGPU IPC Framework (CVE-2022-26486)

• expat: Malformed 2- and 3-byte UTF-8 sequences can lead to arbitrary code execution (CVE-2022-25235)

• expat: Namespace-separator characters in “xmlns[:prefix]” attribute values can lead to arbitrary code execution (CVE-2022-25236)

• expat: Integer overflow in storeRawNames() (CVE-2022-25315)

• Mozilla: Use-after-free in text reflows (CVE-2022-26381)

• Mozilla: Browser window spoof using fullscreen mode (CVE-2022-26383)

• Mozilla: iframe allow-scripts sandbox bypass (CVE-2022-26384)

• Mozilla: Time-of-check time-of-use bug when verifying add-on signatures (CVE-2022-26387)

• thunderbird: Crafted email could trigger an out-of-bounds write (CVE-2022-0566)

• Mozilla: Temporary files downloaded to /tmp and accessible by other local users (CVE-2022-26386)

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.