CVE-2018-1336

unknown

Published 2018-10-17 · Modified 2024-03-12

CVSS v3

—

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v2

—

VIR risk

—

Description

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.

Predictions

Exploit likelihood

30%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2018-1336

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2018-1336.html

OS impact

OS	Version	Status	Fixed in
sles		affected
debian	bookworm	fixed	`0`
debian	bullseye	fixed	`0`
debian	forky	fixed	`0`
debian	sid	fixed	`0`
debian	trixie	fixed	`0`

Package impact

Ecosystem	Package	Vulnerable	Fixed
Maven	org.apache.tomcat.embed:tomcat-embed-core	`>=9.0.0.M9,<9.0.8`	`9.0.8`
Maven	org.apache.tomcat.embed:tomcat-embed-core	`>=8.5.0,<8.5.31`	`8.5.31`
Maven	org.apache.tomcat.embed:tomcat-embed-core	`>=8.0.0RC1,<8.0.51`	`8.0.51`
Maven	org.apache.tomcat.embed:tomcat-embed-core	`>=7.0.28,<7.0.87`	`7.0.87`

References

Verify integrity in audit chain (admin only). AS-IS.