Mozilla: Opportunistic Encryption in HTTP2 could be used to bypass the Same-Origin-Policy on services hosted on other ports

The Mozilla Foundation Security Advisory describes this flaw as: The Opportunistic Encryption feature of HTTP2 RFC 8164 allows a connection to be transparently upgraded to TLS while retaining the visual properties of an HTTP connection, including being same-origin with unencrypted connections on...

CentOS 8 : thunderbird (CESA-2021:4130)

The remote CentOS Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the CESA-2021:4130 advisory. - Mozilla: iframe sandbox rules did not apply to XSLT stylesheets CVE-2021-38503 - Mozilla: Use-after-free in file picker dialog CVE-2021-38504 -...

CentOS 8 : firefox (CESA-2021:4123)

The remote CentOS Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the CESA-2021:4123 advisory. - Mozilla: iframe sandbox rules did not apply to XSLT stylesheets CVE-2021-38503 - Mozilla: Use-after-free in file picker dialog CVE-2021-38504 -...

Mozilla Firefox Security Advisory (MFSA2016-80) - Linux

This host is missing a security update for Mozilla Firefox. Copyright C 2021 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; y...

Mozilla Firefox Security Advisory (MFSA2016-54) - Linux

This host is missing a security update for Mozilla Firefox. Copyright C 2021 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; y...

Mozilla Firefox Security Advisory (MFSA2016-13) - Linux

This host is missing a security update for Mozilla Firefox. Copyright C 2021 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; y...

Mozilla Firefox Security Advisory (MFSA2016-29) - Linux

This host is missing a security update for Mozilla Firefox. Copyright C 2021 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; y...

Mozilla Firefox Security Advisory (MFSA2016-91) - Linux

This host is missing a security update for Mozilla Firefox. Copyright C 2021 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; y...

Oracle Linux 8 : thunderbird (ELSA-2021-4130)

The remote Oracle Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the ELSA-2021-4130 advisory. 91.3.0-2.0.1 - Replaced thunderbird-redhat-default-prefs.js with thunderbird-oracle-default-prefs.js 91.3.0-2 - Update to 19.3.0 build2 91.3.0-1 - Upda...

Oracle Linux 8 : firefox (ELSA-2021-4123)

The remote Oracle Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the ELSA-2021-4123 advisory. 91.3.0-1.0.1 - Removed Upstream references - Add firefox-oracle-default-prefs.js and remove the corresponding Red Hat file 91.3.0-1 - Update to 91.3.0...

Mozilla: Opportunistic Encryption in HTTP2 could be used to bypass the Same-Origin-Policy on services hosted on other ports

The Mozilla Foundation Security Advisory describes this flaw as: The Opportunistic Encryption feature of HTTP2 RFC 8164 allows a connection to be transparently upgraded to TLS while retaining the visual properties of an HTTP connection, including being same-origin with unencrypted connections on...

Mozilla: Opportunistic Encryption in HTTP2 could be used to bypass the Same-Origin-Policy on services hosted on other ports

The Mozilla Foundation Security Advisory describes this flaw as: The Opportunistic Encryption feature of HTTP2 RFC 8164 allows a connection to be transparently upgraded to TLS while retaining the visual properties of an HTTP connection, including being same-origin with unencrypted connections on...

Mozilla: Opportunistic Encryption in HTTP2 could be used to bypass the Same-Origin-Policy on services hosted on other ports

The Mozilla Foundation Security Advisory describes this flaw as: The Opportunistic Encryption feature of HTTP2 RFC 8164 allows a connection to be transparently upgraded to TLS while retaining the visual properties of an HTTP connection, including being same-origin with unencrypted connections on...

Mozilla: Opportunistic Encryption in HTTP2 could be used to bypass the Same-Origin-Policy on services hosted on other ports

The Mozilla Foundation Security Advisory describes this flaw as: The Opportunistic Encryption feature of HTTP2 RFC 8164 allows a connection to be transparently upgraded to TLS while retaining the visual properties of an HTTP connection, including being same-origin with unencrypted connections on...

RLSA-2021:4130 Important: thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client. This update upgrades Thunderbird to version 91.3.0. Security Fixes: Mozilla: Use-after-free in HTTP2 Session object Mozilla: Memory safety bugs fixed in Firefox 94 and Firefox ESR 91.3 Mozilla: iframe sandbox rules did not apply to XS...

Oracle Linux 7 : firefox (ELSA-2021-4116)

The remote Oracle Linux 7 host has a package installed that is affected by multiple vulnerabilities as referenced in the ELSA-2021-4116 advisory. 91.3.0-1.0.1 - Remove upstream references Orabug: 30143292 - Update distribution for Oracle Linux Orabug: 30143292 - Add firefox-oracle-default-prefs.j...

RHEL 7 : firefox (RHSA-2021:4116)

The remote Redhat Enterprise Linux 7 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2021:4116 advisory. Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. This update upgrades Firefox...

Mozilla: Opportunistic Encryption in HTTP2 could be used to bypass the Same-Origin-Policy on services hosted on other ports

The Mozilla Foundation Security Advisory describes this flaw as: The Opportunistic Encryption feature of HTTP2 RFC 8164 allows a connection to be transparently upgraded to TLS while retaining the visual properties of an HTTP connection, including being same-origin with unencrypted connections on...

firefox security update

An update is available for firefox. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list Mozilla Firefox is an open-source web browser, designed for standards...

ALSA-2021:4123 Important: firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. This update upgrades Firefox to version 91.3.0 ESR. Security Fixes: Mozilla: Use-after-free in HTTP2 Session object Mozilla: Memory safety bugs fixed in Firefox 94 and Firefox ESR 91.3...