CVE-2021-40647

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Summary

CVECVE-2021-40647
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2022-09-09 18:15:00 UTC
Updated2023-08-08 14:22:00 UTC
DescriptionIn man2html 1.6g, a specific string being read in from a file will overwrite the size parameter in the top chunk of the heap. This at least causes the program to segmentation abort if the heap size parameter isn't aligned correctly. In version before GLIBC version 2.29 and aligned correctly, it allows arbitrary write anywhere in the programs memory.

Risk And Classification

Problem Types: CWE-787

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Man2html Project Man2html 1.6g All All All

References

ReferenceSourceLinkTags
CVE-2021-40647 and CVE-2021-40648 · GitHub MISC gist.github.com
man2html.com MISC man2html.com
Commercial Distributor & Supply Company | North American MISC na.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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