PT-2026-90527
CVE-2026-89266
·
Published
2026-09-11
·
Updated
2026-09-20
Description by
CVSS 4.0
8.8
HighMetricsAV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Name of the Vulnerable Software and Affected Versions
stb vorbis versions prior to 1.23
Description
A heap buffer overflow occurs in the
start decoder() function due to the truncation of the codebook multiplicands allocation size from size t to int. An attacker can exploit this by providing a specially crafted Ogg Vorbis file containing large entries and dimensions values, leading to out-of-bounds writes. This can result in heap corruption or process crashes.Recommendations
Update to a version newer than 1.22.
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