libpng16-16: In libpng 1.6.34, a wrong calculation of row_factor in the png_check_chunk_length function (pngrutil.c) may trigger a...
CVE-2018-13785 is fixed in 2 products on 1 platform, first by libpng-tools 1.6.34-1ubuntu0.18.04.1, released July 8, 2018. It is not reported as exploited. Patch Radar priority: Routine.
In libpng 1.6.34, a wrong calculation of row_factor in the png_check_chunk_length function (pngrutil.c) may trigger an integer overflow and resultant divide-by-zero while processing a crafted PNG file, leading to a denial of service.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| libpng-tools · Ubuntu 18.04.6 LTS (bionic) | 1.6.34-1ubuntu0.18.04.1 | libpng-tools 1.6.34-1ubuntu0.18.04.1 | Jul 8, 2018 |
| libpng16-16 · Ubuntu 18.04.6 LTS (bionic) | 1.6.34-1ubuntu0.18.04.1 | libpng16-16 1.6.34-1ubuntu0.18.04.1 | Jul 8, 2018 |
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