musl: x87 float stack imbalance (CVE-2019-14697)
musl libc through 1.1.23 has an x87 floating-point stack adjustment imbalance, related to the math/i386/ directory. In some cases, use of this library could introduce out-of-bounds writes that are not present in an application's source code.
References:
- https://www.openwall.com/lists/oss-security/2019/08/06/4
- https://www.openwall.com/lists/musl/2019/08/06/1
- https://nvd.nist.gov/vuln/detail/CVE-2019-14697
Patches:
- https://git.musl-libc.org/cgit/musl/patch/?id=f3ed8bfe8a82af1870ddc8696ed4cc1d5aa6b441
- https://git.musl-libc.org/cgit/musl/patch/?id=6818c31c9bc4bbad5357f1de14bedf781e5b349e