Path: csiph.com!news.samoylyk.net!gothmog.csi.it!bofh.it!news.nic.it!robomod From: Moritz Muehlenhoff Newsgroups: linux.debian.announce.security Subject: [SECURITY] [DSA 6225-1] firefox-esr security update Date: Wed, 22 Apr 2026 13:20:01 +0200 Message-ID: X-Original-To: debian-security-announce@lists.debian.org X-Mailbox-Line: From debian-security-announce-request@lists.debian.org Wed Apr 22 11:12:48 2026 Old-Return-Path: X-Amavis-Spam-Status: No, score=-115.03 tagged_above=-10000 required=5.3 tests=[BAYES_00=-2, DKIMWL_WL_HIGH=-0.54, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FVGT_m_MULTI_ODD=0.02, LDO_WHITELIST=-5, PGPSIGNATURE=-5, RCVD_IN_DNSWL_MED=-2.3, USER_IN_DKIM_WELCOMELIST=-0.01, USER_IN_DKIM_WHITELIST=-100] autolearn=ham autolearn_force=no Old-Dkim-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=debian.org; s=smtpauto.seger; h=Content-Type:MIME-Version:Message-ID:Subject:To:From:Date :Reply-To:Cc:Content-Transfer-Encoding:Content-ID:Content-Description: In-Reply-To:References; bh=sjos9qCdDb4+9Oj+/uEZ4VI1uF7onTGJ/3YgY6LHbw8=; b=qW dD0xaat3Mkq5bT4sy3udYNLxZqScf7TQch1Jb0TRIrzprg+4w7rr7hKMQGLbh/QQNkDiERH2OVvR7 LOggAofMEchmgZInq8JAf02cFlqL2HG1XBx6yY+Ca/sKiPvZbaSznlmQsCIo63zZ5qH40MFrq3pjI f8xtPYQnjUfFfCrxeubavyeTfZ/Z8vaUhs7l1RTFCPsOydGCTq9xtOCdTkZ8RI1mjwgoeq5XNSM1J ftnmrL006BwtlJgtD5xdmVB04cPwy5cfIAXyWnivQFdPoT4h0lP7C97E3Q+mOA77Nh4JnaZRW7siX WyJuQAvZqKdCNZ0pCwphVJi9NTPc8ZFg==; MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-Debian: PGP check passed for security officers Priority: urgent Reply-To: debian-security-announce-request@lists.debian.org X-Mailing-List: archive/latest/5149 List-ID: List-URL: List-Archive: https://lists.debian.org/msgid-search/aeitGlal7pq0afXx@seger.debian.org Approved: robomod@news.nic.it Lines: 54 Organization: linux.* mail to news gateway Sender: robomod@news.nic.it X-Original-Date: Wed, 22 Apr 2026 11:12:26 +0000 X-Original-Message-ID: Xref: csiph.com linux.debian.announce.security:4791 -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 - ------------------------------------------------------------------------- Debian Security Advisory DSA-6225-1 security@debian.org https://www.debian.org/security/ Moritz Muehlenhoff April 22, 2026 https://www.debian.org/security/faq - ------------------------------------------------------------------------- Package : firefox-esr CVE ID : CVE-2026-6746 CVE-2026-6747 CVE-2026-6748 CVE-2026-6749 CVE-2026-6750 CVE-2026-6751 CVE-2026-6752 CVE-2026-6753 CVE-2026-6754 CVE-2026-6757 CVE-2026-6761 CVE-2026-6762 CVE-2026-6763 CVE-2026-6764 CVE-2026-6765 CVE-2026-6766 CVE-2026-6767 CVE-2026-6769 CVE-2026-6770 CVE-2026-6771 CVE-2026-6772 CVE-2026-6776 CVE-2026-6785 CVE-2026-6786 Multiple security issues have been found in the Mozilla Firefox web browser, which could potentially result in the execution of arbitrary code, spoofing, information disclosure or privilege escalation. For the oldstable distribution (bookworm), these problems have been fixed in version 140.10.0esr-1~deb12u1. For the stable distribution (trixie), these problems have been fixed in version 140.10.0esr-1~deb13u1. We recommend that you upgrade your firefox-esr packages. For the detailed security status of firefox-esr please refer to its security tracker page at: https://security-tracker.debian.org/tracker/firefox-esr Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: https://www.debian.org/security/ Mailing list: debian-security-announce@lists.debian.org -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEEtuYvPRKsOElcDakFEMKTtsN8TjYFAmnoqu8ACgkQEMKTtsN8 TjY9Ng//Xf+nYKNsh6lCbx5I4THLD/+AI359z3VhvMgFEZLntSKY6vbVZZZja25r e/IaEDEHXLTgmGe7VoTfPwwBOrYm6stPvD3Pn2I1pd6kVk1nODondQLpq7H2G4U+ D9i9SyvKJzfh81wDiFyKBKIyK6KOWASNOcFrRT4oeZnbAGw084K9YdPR8kVxF/z0 WVv2R+yPxd1DnkN1dGLuXznbRhG6isWLKaihbrUimWOwO8XDyk/e/95khGtYZHjM racWSQgIw+iUJDxA6RqbovObw691nMlWiO0HqHiHaRGGNUXW3G1AO+DZsXtLr98Z OTLE1zU5coP+f2EPFC7jT9WjP2Pl9UG9YMRxUvLJ2/glVC5n52Uze3Wm+nE3fk0f F6EVhsDk90EXUNqodKkUgXG0CQ8T/Ha8R0TjmNre7+p6DszA09i05kIHvrmDRbRa vj3ZTafA7tIiOsFfGrDHBBPeNzbFZRgPeoeuFvEngDnvafqkfoEPd6SqwXCIluic k/JN1yJ6JLvp0S2OgeON5dVjiI5wS03Nez6XdrAyCLXPyJS4Jr2NoNlvlzhV/WUI HzPFlue+kdHie6O9pcSR6jX1+fjTQqoSvrt44mJOczd3y9L61HmoNgXboIbbXW4r Yq7/DZBu0YZzF7VvcZkjPum4rgCRsrGo/pqQI4X5u1WtN+s4roE= =pEjw -----END PGP SIGNATURE-----