Summary
[1:10.1.49-5]
- Resolves: RHEL-264918
tomcat: Stalled TLS handshake when the server's first flight is too large
- Resolves: RHEL-255786
tomcat: Security constraint bypass due to improper access control (CVE-2026-65182)
- Resolves: RHEL-271888
tomcat: Authentication bypass via limited replay attack in DIGEST authenticator (CVE-2026-65905)
- Resolves: RHEL-271766
tomcat: Access control bypass due to off-by-one error in RewriteValve [N] flag processing (CVE-2026-65927)
- Resolves: RHEL-271791
tomcat: Unauthorized resource access via FORM authentication bypass (CVE-2026-68525)
- Resolves: RHEL-271741
tomcat: Improper Authentication due to principal lookup failure (CVE-2026-68569)
- Resolves: RHEL-271720
tomcat: Denial of Service via HTTP/2 allocation leak (CVE-2026-68763)
Fixed packages 8
| Release | Package | Fixed in |
|---|---|---|
| Oracle Linux · 10 | tomcat | 1:10.1.49-5.el10_2 |
| Oracle Linux · 10 | tomcat-admin-webapps | 1:10.1.49-5.el10_2 |
| Oracle Linux · 10 | tomcat-docs-webapp | 1:10.1.49-5.el10_2 |
| Oracle Linux · 10 | tomcat-el-5.0-api | 1:10.1.49-5.el10_2 |
| Oracle Linux · 10 | tomcat-jsp-3.1-api | 1:10.1.49-5.el10_2 |
| Oracle Linux · 10 | tomcat-lib | 1:10.1.49-5.el10_2 |
| Oracle Linux · 10 | tomcat-servlet-6.0-api | 1:10.1.49-5.el10_2 |
| Oracle Linux · 10 | tomcat-webapps | 1:10.1.49-5.el10_2 |
Vulnerabilities 6
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Critical 9.8
Apache Tomcat: Limited replay attack possible with DIGEST authentication
Authentication Bypass by Capture-replay vulnerability in Apache Tomcat's DIGEST authenticator. If, before windowSize requests have been made, a client makes a DIGEST authenticated request with a nonceCount on the upper boundary of the replay window then that …
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Critical 9.1
Apache Tomcat: Bypass longest prefix security constraint
Improper Access Control, Incorrect Authorization vulnerability in Apache Tomcat leads to security constraint bypass if a constraint for a longer path is specified before a more restrictive constraint for a shorter sub-path. This issue affects Apache Tomcat: f…
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Critical 9.1
Apache Tomcat: Redirect after FORM auth may bypass method specific constraints
Incorrect Authorization vulnerability in Apache Tomcat's FORM authentication process allows the bypassing of a security constraint that limits user has access to a resource POST but not GET. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.24, fr…
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High 8.1
Apache Tomcat: Principal lookup can fail open in some cases
Improper Authentication vulnerability in Apache Tomcat meant that in some circumstances (e.g. CLIENT-CERT, SPNEGO) that a user would be authenticated even if the user did not exist in the DataSourceRealm. This issue affects Apache Tomcat: from 11.0.0-M1 throu…
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High 7.5
Apache Tomcat: RewriteValve [N] restarts at the second rule and may bypass access control
Off-by-one Error vulnerability in Apache Tomcat impacting the [N] flag on the rewrite valves causes rewrite processing to restart at the second rule rather than the first rule. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.24, from 10.1.0-M1 t…
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High 7.5
Apache Tomcat: DoS via allocation leak in HTTP/2 backlog tracking when a stream is reset
Uncontrolled Resource Consumption vulnerability in Apache Tomcat via an allocation leak in the HTTP/2 backlog tracking when a stream is reset This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.24, from 10.1.0-M1 through 10.1.57, from 9.0.39 through…