🛡️ USN-8383-1 — tomcat6

⚪ Unknown ✅ No Known Exploit OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

tomcat6, tomcat7 vulnerabilities

It was discovered that Tomcat incorrectly handled digest

authentication. A remote attacker could possibly use this issue to

bypass authentication restrictions. (CVE-2026-43512)

It was discovered that Tomcat incorrectly handled case sensitivity

in LockOutRealm. A remote attacker could possibly use this issue to

bypass account lockout protections and obtain sensitive information.

(CVE-2026-43513)

It was discovered that Tomcat incorrectly handled authorization when

multiple method constraints defined the same HTTP method. A remote

attacker could possibly use this issue to bypass authorization

restrictions. (CVE-2026-43515)

Affected software

USN-8383-1 is recorded against 2 packages.

  • tomcat6 (fixed in 6.0.39-1ubuntu0.1+esm3)
  • tomcat7 (fixed in 7.0.68-1ubuntu0.4+esm4)

Timeline and source

Published on 4 June 2026 and last revised on 5 June 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

ubuntu.com (Advisory)
ubuntu.com (Report)
ubuntu.com (Report)
ubuntu.com (Report)

Details

Severity Unknown
CVSS Score N/A
CVSS Vector N/A
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2026-06-04
Updated 2026-08-12
Modified 2026-06-05
Fix URL N/A

Affected Packages

Software From version Fixed in
tomcat6 6.0.39-1ubuntu0.1+esm3
tomcat7 7.0.68-1ubuntu0.4+esm4

Similar Threats

Free Vulnerability Check

Is your site affected by USN-8383-1?

BotEraser helps you identify potentially vulnerable plugins and themes by checking your installation against USN-8383-1 and other known CVE records.

Scan My Site Free →

No credit card required  ·  Results in minutes

ⓘ Data Notice: The information presented above has been compiled from publicly available internet sources. Boteraser aggregates this data solely for informational purposes and does not independently classify, evaluate, or endorse any findings about the vulnerabilities listed. The accuracy and completeness of this information is the sole responsibility of the original publishers. Boteraser and its operators accept no liability for any decisions made based on this data.