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| author | giraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8> | 2023-09-15 04:23:21 +0000 |
|---|---|---|
| committer | giraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8> | 2023-09-15 04:23:21 +0000 |
| commit | 38d236794b78dbda5e93b1c54116528f3af9debc (patch) | |
| tree | df005eb27f7990ce362876e0d8ea8f6812941b67 /converter/pbm | |
| parent | 1c4fae487d808c17f576731806cc2b7f6419f98a (diff) | |
| download | netpbm-mirror-38d236794b78dbda5e93b1c54116528f3af9debc.tar.gz netpbm-mirror-38d236794b78dbda5e93b1c54116528f3af9debc.tar.xz netpbm-mirror-38d236794b78dbda5e93b1c54116528f3af9debc.zip | |
Fix arithmetic overflow
git-svn-id: http://svn.code.sf.net/p/netpbm/code/trunk@4654 9d0c8265-081b-0410-96cb-a4ca84ce46f8
Diffstat (limited to 'converter/pbm')
| -rw-r--r-- | converter/pbm/pbmtoxbm.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/converter/pbm/pbmtoxbm.c b/converter/pbm/pbmtoxbm.c index 5074c0fb..4bd33dd8 100644 --- a/converter/pbm/pbmtoxbm.c +++ b/converter/pbm/pbmtoxbm.c @@ -366,6 +366,10 @@ convertRaster(FILE * const ifP, unsigned char * bitrow; unsigned int row; + if (cols > UINT_MAX - bitsPerUnit) + pm_error("Image is too wide (%u columns) for computations", + cols); + putinit(xbmVersion); bitrow = pbm_allocrow_packed(cols + padright); |