A vulnerability classified as critical was found in stb_vorbis up to 2019-03-04. Affected by this vulnerability is the function start_decoder of the component OGG Vorbis File Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

A heap buffer overflow in the start_decoder function in stb_vorbis through 2019-03-04 allows an attacker to cause a denial of service or execute arbitrary code by opening a crafted Ogg Vorbis file.

The weakness was presented 08/15/2019 (GitHub Repository). The advisory is shared at github.com. This vulnerability is known as CVE-2019-13217 since 07/03/2019. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

See 140114, 140115, 140116 and 140117 for similar entries.

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• stb_vorbis

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• 2019-03-04

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• open-source

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