musl contributor
Appears in 1 story
Authored the regex fix series and the overflow analysis
On October 21, musl maintainer Rich Felker disclosed CVE-2026-107891: integer overflows in regcomp, the regular expression compiler in the compact C library that underpins Alpine Linux and most container images. The flaw has been present in every musl release since version 0.5.0 and can produce undersized heap allocations followed by out-of-bounds writes. At minimum it crashes programs; arbitrary code execution is possible depending on how the application uses the heap.
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