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From: Tobias Geerinckx-Rice <me@tobias.gr>
Date: Thu, 28 Feb 2019 20:29:00 +0100
Subject: [PATCH] netpbm: Fix CVE-2017-2587.
Copied verbatim from Debian[0].
[0]: https://sources.debian.org/data/main/n/netpbm-free/2:10.78.05-0.1/debian/patches/netpbm-CVE-2017-2587.patch
---
diff -urNp old/converter/other/svgtopam.c new/converter/other/svgtopam.c
--- old/converter/other/svgtopam.c 2017-02-08 12:11:02.593690917 +0100
+++ new/converter/other/svgtopam.c 2017-02-08 13:49:38.319029371 +0100
@@ -771,12 +771,17 @@ createCanvas(unsigned int const width,
MALLOCVAR_NOFAIL(canvasP);
- canvasP->width = width;
- canvasP->height = height;
- canvasP->pixels = ppm_allocarray(width, height);
- canvasP->maxval = maxval;
+ if(canvasP != NULL){
+ canvasP->width = width;
+ canvasP->height = height;
+ canvasP->pixels = ppm_allocarray(width, height);
+ canvasP->maxval = maxval;
+
+ *canvasPP = canvasP;
+ } else {
+ pm_error("can't allocate memory for canvas");
+ }
- *canvasPP = canvasP;
}
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