Synopsis: Important: thunderbird security update Advisory ID: SLSA-2021:1350-1 Issue Date: 2021-04-26 CVE Numbers: CVE-2021-23994 CVE-2021-23995 CVE-2021-23998 CVE-2021-23961 CVE-2021-23999 CVE-2021-24002 CVE-2021-29945 CVE-2021-29946 CVE-2021-29948 -- This update upgrades Thunderbird to version 78.10.0. Security Fix(es): * Mozilla: Out of bound write due to lazy initialization (CVE-2021-23994) * Mozilla: Use-after-free in Responsive Design Mode (CVE-2021-23995) * Mozilla: More internal network hosts could have been probed by a malicious webpage (CVE-2021-23961) * Mozilla: Secure Lock icon could have been spoofed (CVE-2021-23998) * Mozilla: Blob URLs may have been granted additional privileges (CVE-2021-23999) * Mozilla: Arbitrary FTP command execution on FTP servers using an encoded URL (CVE-2021-24002) * Mozilla: Incorrect size computation in WebAssembly JIT could lead to null-reads (CVE-2021-29945) * Mozilla: Port blocking could be bypassed (CVE-2021-29946) * Mozilla: Race condition when reading from disk while verifying signatures (CVE-2021-29948) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE --- SL7 x86_64 - thunderbird-78.10.0-1.el7_9.x86_64.rpm - thunderbird-debuginfo-78.10.0-1.el7_9.x86_64.rpm -- - Scientific Linux Development Team