CVE-2023-45678

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

Description

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.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.07%
Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com
Affected: nothings stb
Published at:
Updated at:

References

Link Tags
https://securitylab.github.com/advisories/GHSL-2023-145_GHSL-2023-151_stb_image_h/ third party advisory
https://github.com/nothings/stb/blob/5736b15f7ea0ffb08dd38af21067c314d6a3aae9/stb_vorbis.c#L4074-L4079 third party advisory
https://github.com/nothings/stb/blob/5736b15f7ea0ffb08dd38af21067c314d6a3aae9/stb_vorbis.c#L753-L760 third party advisory

Frequently Asked Questions

What is the severity of CVE-2023-45678?
CVE-2023-45678 has been scored as a medium severity vulnerability.
How to fix CVE-2023-45678?
To fix CVE-2023-45678, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-45678 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-45678 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-45678?
CVE-2023-45678 affects nothings stb.
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