HIGH7.6
A flaw was found in GStreamer's WavPack audio decoder in gst-plugins-good. When processing a specially crafted WavPack file, an integer overflow in the buffer size calculation (4 * block_samples * channels) in gst_wavpack_dec_handle_frame() causes a very small heap allocation. The WavPack library then writes decoded audio samples far beyond the allocated buffer, resulting in heap memory corruption. This affects both 32-bit and 64-bit systems since the arithmetic is performed in 32-bit integers before promotion to the allocation size type. A remote attacker could use this flaw to crash an application or potentially execute arbitrary code by convincing a user to open a malicious WavPack audio file.
CVSS 3.xHIGH 7.6
CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:HReferences
- https://access.redhat.com/errata/RHSA-2026:36675
- https://access.redhat.com/errata/RHSA-2026:36774
- https://access.redhat.com/errata/RHSA-2026:37129
- https://access.redhat.com/errata/RHSA-2026:47032
- https://access.redhat.com/errata/RHSA-2026:47050
- https://access.redhat.com/errata/RHSA-2026:47051
- https://access.redhat.com/errata/RHSA-2026:47052
- https://access.redhat.com/errata/RHSA-2026:47174
- https://access.redhat.com/errata/RHSA-2026:49602
- https://access.redhat.com/errata/RHSA-2026:49603
- https://access.redhat.com/errata/RHSA-2026:49604
- https://access.redhat.com/security/cve/CVE-2026-53705
- https://bugzilla.redhat.com/show_bug.cgi?id=2487615
- https://access.redhat.com/errata/RHSA-2026:36675
- https://access.redhat.com/errata/RHSA-2026:36774
- https://access.redhat.com/errata/RHSA-2026:37129
- https://access.redhat.com/errata/RHSA-2026:47032
- https://access.redhat.com/errata/RHSA-2026:47050
- https://access.redhat.com/errata/RHSA-2026:47051
- https://access.redhat.com/errata/RHSA-2026:47052
- https://access.redhat.com/errata/RHSA-2026:47174
- https://access.redhat.com/errata/RHSA-2026:49602
- https://access.redhat.com/errata/RHSA-2026:49603
- https://access.redhat.com/errata/RHSA-2026:49604
- https://access.redhat.com/security/cve/CVE-2026-53705
- https://bugzilla.redhat.com/show_bug.cgi?id=2487615
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-53705.json