CVE-2023-45678CWE-787

Off-by-one heap buffer write in start_decoder in stb_vorbis

Medium · published October 20, 2023

CVSS v3.1
6.5
EPSS
1%
Percentile
54.1
In the wild
Unconfirmed
What it is

stb_vorbis is a single file MIT licensed library for processing ogg vorbis files. A crafted file may trigger out of buffer write in `start_decoder` because at maximum `m->submaps` can be 16 but `submap_floor` and `submap_residue` are declared as arrays of 15 elements. This issue may lead to code execution.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
CVSS v4.0
Not supplied
EPSS
0.00740 · 54.1th percentile
Weakness
CWE-787 · Out-of-bounds Write
Published
2023-10-20T23:26Z
EPSS history
Timeline
  • 20 OCT 23:26Z
    Off-by-one heap buffer write in start_decoder in stb_vorbis
    cvelistv5