Resolves: #2013247 Added fix for failing addons signatures.

firefox-nss-addon-hack.patch

@@ -0,0 +1,19 @@
+diff -up firefox-84.0.2/security/certverifier/NSSCertDBTrustDomain.cpp.nss-hack firefox-84.0.2/security/certverifier/NSSCertDBTrustDomain.cpp
+--- firefox-84.0.2/security/certverifier/NSSCertDBTrustDomain.cpp.nss-hack      2021-01-11 12:12:02.585514543 +0100
++++ firefox-84.0.2/security/certverifier/NSSCertDBTrustDomain.cpp       2021-01-11 12:47:50.345984582 +0100
+@@ -1619,6 +1619,15 @@ SECStatus InitializeNSS(const nsACString
+     return srv;
+   }
+
++  /* Sets the NSS_USE_ALG_IN_ANY_SIGNATURE bit.
++   * does not change NSS_USE_ALG_IN_CERT_SIGNATURE,
++   * so policy will still disable use of sha1 in
++   * certificate related signature processing. */
++  srv = NSS_SetAlgorithmPolicy(SEC_OID_SHA1, NSS_USE_ALG_IN_ANY_SIGNATURE, 0);
++  if (srv != SECSuccess) {
++    NS_WARNING("Unable to use SHA1 for Add-ons, expect broken/disabled Add-ons. See https://bugzilla.redhat.com/show_bug.cgi?id=1908018 for details.");
++  }
++
+   if (nssDbConfig == NSSDBConfig::ReadWrite) {
+     UniquePK11SlotInfo slot(PK11_GetInternalKeySlot());
+     if (!slot) {

firefox.spec

@@ -129,7 +129,7 @@ end}
 Summary:        Mozilla Firefox Web browser
 Name:           firefox
 Version:        91.4.0
-Release:        1%{?dist}
+Release:        2%{?dist}
 URL:            https://www.mozilla.org/firefox/
 License:        MPLv1.1 or GPLv2+ or LGPLv2+
 %if 0%{?rhel} == 9
@@ -184,6 +184,7 @@ Patch6:         build-nss-version.patch
 Patch215:        firefox-enable-addons.patch
 Patch219:        rhbz-1173156.patch
 Patch224:        mozilla-1170092.patch
+Patch225:        firefox-nss-addon-hack.patch
 
 # Upstream patches
 
@@ -424,6 +425,7 @@ echo "use_rustts            %{?use_rustts}"
 %patch215 -p1 -b .addons
 %patch219 -p1 -b .rhbz-1173156
 %patch224 -p1 -b .1170092
+%patch225 -p1 -b .firefox-nss-addon-hack
 
 # Patch for big endian platforms only
 %if 0%{?big_endian}
@@ -1247,6 +1249,9 @@ gtk-update-icon-cache %{_datadir}/icons/hicolor &>/dev/null || :
 #---------------------------------------------------------------------
 
 %changelog
+* Mon Dec 13 2021 Jan Horak <jhorak@redhat.com> - 91.4.0-2
+- Added fix for failing addons signatures.
+
 * Wed Dec 01 2021 Eike Rathke <erack@redhat.com> - 91.4.0-1
 - Update to 91.4.0 build1