A vulnerability, which was classified as critical, was found in PNGDec (version unknown). This affects the function inflate_fast of the file /src/inffast.c. The manipulation with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

PNGDec commit 8abf6be was discovered to contain a global buffer overflow via inflate_fast at /src/inffast.c.

The weakness was published 08/17/2022 as 10. It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2022-35011 since 07/04/2022. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/17/2022).

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

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