High [CVE-2026-19387] heap out-of-bounds write in adpcmdec IMA/DVI ADPCM decoder
This high-severity Red Hat Linux advisory covers CVE-2026-19387 affecting Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions, Red Hat Enterprise Linux 10.0 Extended Update Support, Red Hat Enterprise Linux 9.6 Extended Update Support.
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Summary
heap out-of-bounds write in adpcmdec IMA/DVI ADPCM decoder. Red Hat rates this important (CVSS 7.6).
Weakness: CWE-787. Red Hat lists fixing advisory RHSA-2026:55865 with package gstreamer1-plugins-bad-free-0:1.26.7-2.el10_2.7, gstreamer1-plugins-bad-free-0:1.22.12-7.el9_8.4, gstreamer1-plugins-ugly-free-0:1.22.12-6.el9_8.2, gstreamer1-plugins-bad-free-0:1.16.1-9.el8_10.2.
Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 8.
Affected products named by the advisory: Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions; Red Hat Enterprise Linux 10.0 Extended Update Support; Red Hat Enterprise Linux 9.6 Extended Update Support; Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support; and 7 more.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
- gstreamer1-plugins-bad-free-0:1.26.7-2.el10_2.7
- gstreamer1-plugins-bad-free-0:1.22.12-7.el9_8.4
- gstreamer1-plugins-ugly-free-0:1.22.12-6.el9_8.2
- gstreamer1-plugins-bad-free-0:1.16.1-9.el8_10.2
- RHSA-2026:55865
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Mitigation checklist
- Insufficient validation of the per-block sample count for multi-channel streams allows a crafted WAV file to cause writes beyond the allocated output buffer.
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
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