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stb_image.h: apply mainstream PR/1736

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Fix root-cause of CVE-2021-45340 : dereference of NULL ptr.
Patch authored by Henner Zeller <h.zeller@acm.org>
Mainstream pull request: https://github.com/nothings/stb/pull/1736
This commit is contained in:
Ozkan Sezer
2025-04-23 17:55:02 +03:00
parent e3181a0bcd
commit b5ed0d0138
1 changed files with 2 additions and 1 deletions
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src/video/stb_image.h
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@@ -100,7 +100,7 @@ RECENT REVISION HISTORY:
Bug & warning fixes Bug & warning fixes
Marc LeBlanc David Woo Guillaume George Martins Mozeiko Marc LeBlanc David Woo Guillaume George Martins Mozeiko
Christpher Lloyd Jerry Jansson Joseph Thomson Blazej Dariusz Roszkowski Christpher Lloyd Jerry Jansson Joseph Thomson Blazej Dariusz Roszkowski
Phil Jordan Dave Moore Roy Eltham Phil Jordan Henner Zeller Dave Moore Roy Eltham
Hayaki Saito Nathan Reed Won Chun Hayaki Saito Nathan Reed Won Chun
Luke Graham Johan Duparc Nick Verigakis the Horde3D community Luke Graham Johan Duparc Nick Verigakis the Horde3D community
Thomas Ruf Ronny Chevalier github:rlyeh Thomas Ruf Ronny Chevalier github:rlyeh
@@ -1914,6 +1914,7 @@ static unsigned char *stbi__convert_format(unsigned char *data, int img_n, int r
int i,j; int i,j;
unsigned char *good; unsigned char *good;
if (data == NULL) return data;
if (req_comp == img_n) return data; if (req_comp == img_n) return data;
STBI_ASSERT(req_comp >= 1 && req_comp <= 4); STBI_ASSERT(req_comp >= 1 && req_comp <= 4);