HIGH 7.5 Microsoft
CVE-2021-36386
report_vbuild in report.c in Fetchmail before 6.4.20 sometimes omits initialization of the vsnprintf va_list argument which might allow mail servers to cause a denial of service or possibly have unspecified other impact via long error messages. NOTE: it is unclear whether use of Fetchmail on any realistic platform results in an impact beyond an inconvenience to the client user.
Microsoft Security Update 2021-Jul: report_vbuild in report.c in Fetchmail before 6.4.20 sometimes omits initialization of the vsnprintf va_list argument which might allow mail servers to cause a denial of service or possibly have unspecified other impact via long error messages. NOTE: it is unclear whether use of Fetchmail on any realistic platform results in an impact beyond an inconvenience to the client user.
Affected Products
- cbl2 fetchmail 6.4.22-1 on CBL Mariner 2.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-36386
- https://nvd.nist.gov/vuln/detail/CVE-2021-36386
This high severity vulnerability with a CVSS score of 7.5 was published on 2021-07-13 via Microsoft. Affected: cbl2 fetchmail 6.4.22-1 on CBL Mariner 2.0.
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