VulnerabilityModified
CVE-2021-44647
Lua v5.4.3 and above are affected by SEGV by type confusion in funcnamefromcode function in ldebug.c which can cause a local denial of service.
MEDIUM 5.5EPSS 0.42%
Does this matter?
Lower severity and a low EPSS score (0.42%). Track it; it rarely justifies an emergency change on its own.
Description
Lua v5.4.3 and above are affected by SEGV by type confusion in funcnamefromcode function in ldebug.c which can cause a local denial of service.
- CVSS 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.42% probability · 35th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-843
- Affected
- lua/lua · fedoraproject/fedora
- Source
- cve@mitre.org
References
- http://lua-users.org/lists/lua-l/2021-11/msg00195.htmlExploit, Mailing List, Vendor Advisory
- http://lua-users.org/lists/lua-l/2021-11/msg00204.htmlMailing List, Patch, Vendor Advisory
- https://access.redhat.com/security/cve/cve-2021-44647Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/P3EMGAQ5Y6GXJLY4K5DUOOEQT4MZ4J4F/
- https://security.gentoo.org/glsa/202305-23
- http://lua-users.org/lists/lua-l/2021-11/msg00195.htmlExploit, Mailing List, Vendor Advisory
- http://lua-users.org/lists/lua-l/2021-11/msg00204.htmlMailing List, Patch, Vendor Advisory
- https://access.redhat.com/security/cve/cve-2021-44647Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/P3EMGAQ5Y6GXJLY4K5DUOOEQT4MZ4J4F/
- https://security.gentoo.org/glsa/202305-23
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.