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CVE-2011-2526

Apache Tomcat 5.5.x before 5.5.34, 6.x before 6.0.33, and 7.x before 7.0.19, when sendfile is enabled for the HTTP APR or HTTP NIO…

Medium4.4EPSS 0.70%
Published
Updated
Reserved
Assigned by
redhat

Description

Apache Tomcat 5.5.x before 5.5.34, 6.x before 6.0.33, and 7.x before 7.0.19, when sendfile is enabled for the HTTP APR or HTTP NIO connector, does not validate certain request attributes, which allows local users to bypass intended file access restrictions or cause a denial of service (infinite loop or JVM crash) by leveraging an untrusted web application.

Timeline

  1. ID reserved

    By redhat

  2. · 29 days later

    Published

  3. · 13 years later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2011-2526, by who scored it
Scored byCVSSScoreVector
NVDNVD · Modified2.0Medium4.4AV:L/AC:M/Au:N/C:P/I:P/A:P
EPSS (exploitation in 30 days)
0.70% · top 47% of all CVEs (8 Nov 2026)
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.4.

Weakness

Affected products

  • n/a

    • affected n/a

Affected packages

From reviewed advisories of the GitHub Advisory Database.

References (35)

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

CVE-2011-2526 badge
[![CVE-2011-2526](https://cveledger.app/badge/CVE-2011-2526.svg)](https://cveledger.app/cve/CVE-2011-2526)

Record last updated .