musl: In musl libc through 1.2.1, wcsnrtombs mishandles particular combinations of destination buffer size and source chara...
CVE-2020-28928 is fixed in 2 products on 1 platform, first by musl 1.1.19-1ubuntu0.1~esm1, released November 24, 2020. It is not reported as exploited. Patch Radar priority: Routine.
In musl libc through 1.2.1, wcsnrtombs mishandles particular combinations of destination buffer size and source character limit, as demonstrated by an invalid write access (buffer overflow).
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| musl · Ubuntu 18.04.6 LTS (bionic) | 1.1.19-1ubuntu0.1~esm1 | musl 1.1.19-1ubuntu0.1~esm1 | Nov 24, 2020 |
| musl · Ubuntu 20.04 LTS (focal) | 1.1.24-1ubuntu0.1~esm1 | musl 1.1.24-1ubuntu0.1~esm1 | Nov 24, 2020 |
| musl-tools · Ubuntu 18.04.6 LTS (bionic) | 1.1.19-1ubuntu0.1~esm1 | musl-tools 1.1.19-1ubuntu0.1~esm1 | Nov 24, 2020 |
| musl-tools · Ubuntu 20.04 LTS (focal) | 1.1.24-1ubuntu0.1~esm1 | musl-tools 1.1.24-1ubuntu0.1~esm1 | Nov 24, 2020 |
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