mupdf: MuPDF through 1.18.1 has an out-of-bounds write because the cached color converter does not properly consider the max...
CVE-2021-37220 is fixed in 2 products on 1 platform, first by mupdf 1.12.0+ds1-1ubuntu0.1~esm1, released August 22, 2023. It is not reported as exploited. Patch Radar priority: Routine.
MuPDF through 1.18.1 has an out-of-bounds write because the cached color converter does not properly consider the maximum key size of a hash table. This can, for example, be seen with crafted "mutool draw" input.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| mupdf · Ubuntu 18.04.6 LTS (bionic) | 1.12.0+ds1-1ubuntu0.1~esm1 | mupdf 1.12.0+ds1-1ubuntu0.1~esm1 | Aug 22, 2023 |
| mupdf · Ubuntu 20.04 LTS (focal) | 1.16.1+ds1-1ubuntu1+esm1 | mupdf 1.16.1+ds1-1ubuntu1+esm1 | Aug 22, 2023 |
| mupdf-tools · Ubuntu 18.04.6 LTS (bionic) | 1.12.0+ds1-1ubuntu0.1~esm1 | mupdf-tools 1.12.0+ds1-1ubuntu0.1~esm1 | Aug 22, 2023 |
| mupdf-tools · Ubuntu 20.04 LTS (focal) | 1.16.1+ds1-1ubuntu1+esm1 | mupdf-tools 1.16.1+ds1-1ubuntu1+esm1 | Aug 22, 2023 |
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