CVE-2026-12200 PUBLISHED

Ritlabs TinyWeb Server Header libeay32.dll.html stack-based overflow

Assigner: VulDB
Reserved: 14.06.2026 Published: 15.06.2026 Updated: 15.06.2026

A security vulnerability has been detected in Ritlabs TinyWeb Server up to 1.94 on Win32. This impacts an unknown function in the library libeay32.dll.html of the component Header Handler. The manipulation of the argument Authorization leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Metrics

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
CVSS Score: 6.9

Product Status

Vendor Ritlabs
Product TinyWeb Server
Versions
  • Version 1.0 is affected
  • Version 1.1 is affected
  • Version 1.2 is affected
  • Version 1.3 is affected
  • Version 1.4 is affected
  • Version 1.5 is affected
  • Version 1.6 is affected
  • Version 1.7 is affected
  • Version 1.8 is affected
  • Version 1.9 is affected
  • Version 1.10 is affected
  • Version 1.11 is affected
  • Version 1.12 is affected
  • Version 1.13 is affected
  • Version 1.14 is affected
  • Version 1.15 is affected
  • Version 1.16 is affected
  • Version 1.17 is affected
  • Version 1.18 is affected
  • Version 1.19 is affected
  • Version 1.20 is affected
  • Version 1.21 is affected
  • Version 1.22 is affected
  • Version 1.23 is affected
  • Version 1.24 is affected
  • Version 1.25 is affected
  • Version 1.26 is affected
  • Version 1.27 is affected
  • Version 1.28 is affected
  • Version 1.29 is affected
  • Version 1.30 is affected
  • Version 1.31 is affected
  • Version 1.32 is affected
  • Version 1.33 is affected
  • Version 1.34 is affected
  • Version 1.35 is affected
  • Version 1.36 is affected
  • Version 1.37 is affected
  • Version 1.38 is affected
  • Version 1.39 is affected
  • Version 1.40 is affected
  • Version 1.41 is affected
  • Version 1.42 is affected
  • Version 1.43 is affected
  • Version 1.44 is affected
  • Version 1.45 is affected
  • Version 1.46 is affected
  • Version 1.47 is affected
  • Version 1.48 is affected
  • Version 1.49 is affected
  • Version 1.50 is affected
  • Version 1.51 is affected
  • Version 1.52 is affected
  • Version 1.53 is affected
  • Version 1.54 is affected
  • Version 1.55 is affected
  • Version 1.56 is affected
  • Version 1.57 is affected
  • Version 1.58 is affected
  • Version 1.59 is affected
  • Version 1.60 is affected
  • Version 1.61 is affected
  • Version 1.62 is affected
  • Version 1.63 is affected
  • Version 1.64 is affected
  • Version 1.65 is affected
  • Version 1.66 is affected
  • Version 1.67 is affected
  • Version 1.68 is affected
  • Version 1.69 is affected
  • Version 1.70 is affected
  • Version 1.71 is affected
  • Version 1.72 is affected
  • Version 1.73 is affected
  • Version 1.74 is affected
  • Version 1.75 is affected
  • Version 1.76 is affected
  • Version 1.77 is affected
  • Version 1.78 is affected
  • Version 1.79 is affected
  • Version 1.80 is affected
  • Version 1.81 is affected
  • Version 1.82 is affected
  • Version 1.83 is affected
  • Version 1.84 is affected
  • Version 1.85 is affected
  • Version 1.86 is affected
  • Version 1.87 is affected
  • Version 1.88 is affected
  • Version 1.89 is affected
  • Version 1.90 is affected
  • Version 1.91 is affected
  • Version 1.92 is affected
  • Version 1.93 is affected
  • Version 1.94 is affected

Credits

  • nathan2 (VulDB User) reporter
  • VulDB CNA Team coordinator

References

Problem Types

  • Stack-based Buffer Overflow CWE
  • Memory Corruption CWE