Synopsis:          Important: firefox security update
Advisory ID:       SLSA-2021:1363-1
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
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This update upgrades Firefox to version 78.10.0 ESR.

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)

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

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SL7
 x86_64
 - firefox-78.10.0-1.el7_9.i686.rpm
 - firefox-78.10.0-1.el7_9.x86_64.rpm
 - firefox-debuginfo-78.10.0-1.el7_9.x86_64.rpm
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- Scientific Linux Development Team