{"id":"CVE-2023-31723","aliases":["AZL-26739","AZL-35390","DEBIAN-CVE-2023-31723","EUVD-2023-36014","GHSA-5pcc-9vqw-qq2v","UBUNTU-CVE-2023-31723"],"status":"published","title":"yasm 1.3.0.55.g101bc was discovered to contain a segmentation violation via the function...","description":"yasm 1.3.0.55.g101bc was discovered to contain a segmentation violation via the function expand_mmac_params at /nasm/nasm-pp.c.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00288,"percentile":0.21591,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2023-05-17T00:00:00Z","modified":"2026-11-05T05:40:51Z","affected":[{"source":"osv","ecosystem":"Azure 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Tracking","Third Party Advisory","report"]},{"url":"https://github.com/DaisyPo/fuzzing-vulncollect/blob/main/yasm/SEGV/nasm-pp.c:4008%20in%20expand_mmac_params/README.md","tags":["x_transferred","Exploit","Third Party Advisory","evidence","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-31723","tags":["web"]},{"url":"https://github.com/advisories/GHSA-5pcc-9vqw-qq2v"},{"url":"https://security-tracker.debian.org/tracker/CVE-2023-31723","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2023-31723","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-31723","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2023-31723","description":"yasm 1.3.0.55.g101bc was discovered to contain a segmentation violation via the function expand_mmac_params at 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