#2628 Potential buffer overflow in SFXSetup/SfxSetup.cpp

[Serg G. Brester]

Changes of v.26.00 on CPP\7zip\Bundles\SFXSetup\SfxSetup.cpp in function ReadDataString introduce potential BO on context variable buffer.

Bug detailed description:

Memory copy function may overflow the destination buffer in certain circumstances (depending on "foreign" input read from inFile).
More details:
https://sonarcloud.io/project/issues?pullRequest=468&open=AZxo8WNdD7FB2mcciWZO&id=mcmilk_7-Zip-zstd

Possible solution:

https://github.com/mcmilk/7-Zip-zstd/pull/468/changes/f4efd0f2d960b18fd51a894d04b5eadebf8c270b
Details:
https://github.com/mcmilk/7-Zip-zstd/pull/468#issuecomment-3947594135

[Igor Pavlov]

The fix is correct.
Thanks for report!