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[82.192.244.13]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-48066c37433sm200738595e9.10.2026.01.29.14.11.21 for <submit@bugs.debian.org> (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 29 Jan 2026 14:11:21 -0800 (PST) Sender: Salvatore Bonaccorso <salvatore.bonaccorso@gmail.com> Received: by eldamar.lan (Postfix, from userid 1000) id 8630EBE2EE7; Thu, 29 Jan 2026 23:11:20 +0100 (CET) Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit From: Salvatore Bonaccorso <carnil@debian.org> To: Debian Bug Tracking System <submit@bugs.debian.org> Subject: alsa-lib: CVE-2026-25068 Message-ID: <176972466463.1798423.17930061463205998099.reportbug@eldamar.lan> X-Mailer: reportbug 13.2.0 Date: Thu, 29 Jan 2026 23:11:04 +0100 Delivered-To: submit@bugs.debian.org Source: alsa-lib Version: 1.2.15.3-1 Severity: important Tags: security upstream X-Debbugs-Cc: carnil@debian.org, Debian Security Team <team@security.debian.org> Hi, The following vulnerability was published for alsa-lib. CVE-2026-25068[0]: | alsa-lib versions 1.2.2 up to and including 1.2.15.2, prior to | commit 5f7fe33, contain a heap-based buffer overflow in the topology | mixer control decoder. The tplg_decode_control_mixer1() function | reads the num_channels field from untrusted .tplg data and uses it | as a loop bound without validating it against the fixed-size channel | array (SND_TPLG_MAX_CHAN). A crafted topology file with an excessive | num_channels value can cause out-of-bounds heap writes, leading to a | crash. If you fix the vulnerability please also make sure to include the CVE (Common Vulnerabilities & Exposures) id in your changelog entry. For further information see: [0] https://security-tracker.debian.org/tracker/CVE-2026-25068 https://www.cve.org/CVERecord?id=CVE-2026-25068 [1] https://github.com/alsa-project/alsa-lib/commit/5f7fe33002d2d98d84f72e381ec2cccc0d5d3d40 Please adjust the affected versions in the BTS as needed. Regards, Salvatore ]