CVE-2023-31973: Missing Release of Memory after Effective Lifetime

May 9, 2023 (updated July 5, 2023)

yasm v1.3.0 was discovered to contain a use after free via the function expand_mmac_params at /nasm/nasm-pp.c.

References

github.com/yasm/yasm/issues/207
nvd.nist.gov/vuln/detail/CVE-2023-31973

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