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Servers and applications

CVE-2018-1336

An improper handing of overflow in the UTF-8 decoder with supplementary characters can lead to an infinite loop in the decoder causing a Denial of Service. Versions Affected: Apache Tomcat 9.0.0.M9 to 9.0.7, 8.5.0 to 8.5.30, 8.0.0.RC1 to 8.0.51, and 7.0.28 to 7.0.86.

Severity
High 7.5
Published
2 Aug 2018
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Sources
NVD

Affected software

SoftwareAffected versions
Apache TomcatServers and applications · cpe:a:apache:tomcat
  • From 9.0.1 up to 9.0.7
  • Version 9.0.0-milestone27
  • Version 9.0.0-milestone26
  • Version 9.0.0-milestone25
All 33 release lines
  • From 7.0.28 up to 7.0.86
  • Version 8.0.0-rc1
  • Version 8.0.0-rc2
  • Version 8.0.0-rc3
  • Version 8.0.0-rc4
  • Version 8.0.0-rc5
  • Version 8.0.0-rc6
  • Version 8.0.0-rc7
  • Version 8.0.0-rc8
  • Version 8.0.0-rc9
  • Version 8.0.0-rc10
  • From 8.0.0 up to 8.0.51
  • From 8.5.0 up to 8.5.30
  • Version 9.0.0-milestone9
  • Version 9.0.0-milestone10
  • Version 9.0.0-milestone11
  • Version 9.0.0-milestone12
  • Version 9.0.0-milestone13
  • Version 9.0.0-milestone14
  • Version 9.0.0-milestone15
  • Version 9.0.0-milestone16
  • Version 9.0.0-milestone17
  • Version 9.0.0-milestone18
  • Version 9.0.0-milestone19
  • Version 9.0.0-milestone20
  • Version 9.0.0-milestone21
  • Version 9.0.0-milestone22
  • Version 9.0.0-milestone23
  • Version 9.0.0-milestone24
  • Version 9.0.0-milestone25
  • Version 9.0.0-milestone26
  • Version 9.0.0-milestone27
  • From 9.0.1 up to 9.0.7

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2018-1336
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2018-1336