Date: Tue, 29 Sep 2020 08:19:19 +0800 From: Fstark <f734222792@...il.com> To: oss-security@...ts.openwall.com Subject: libass ass_outline.c signed integer overflow In `ass_outline_construct`'s call to `outline_stroke` a signed integer overflow happens *(undefined behaviour)*. On my machine signed overflow happens to wrap around to a negative value, thus failing the assert. https://github.com/libass/libass/issues/431 https://github.com/libass/libass/pull/432
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