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Fencer Vulns
high 7.8

CVE-2006-7197 json

Apache Tomcat Buffer Over-Read

published 2007-04-25 19 y ago modified 2026-06-16 4 mo ago also GHSA-jpqr-vh55-xqxf , EUVD-2022-4411

cvss
7.8
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
8.3%
EPSS 8.3% chance of exploitation in 30 days, percentile 94%
public exploits
0
none known

Summary

The AJP connector in Apache Tomcat 5.5.15 uses an incorrect length for chunks, which can cause a buffer over-read in the ajp_process_callback in mod_jk, which allows remote attackers to read portions of sensitive memory.

Patch / fix

  • jabberd network satellite 4.2 2.0s10-3.37.rhn
  • jabberd network satellite 5.0, network satellite 4.2 2.0s10-3.38.rhn
  • tomcat5 network satellite 5.0, network satellite 4.2 5.0.30-0jpp_10rh
  • jfreechart network satellite 5.0, network satellite 4.2 0.9.20-3.rhn
  • rhn-apache network satellite 4.2 1.3.27-36.rhn.rhel3
  • rhn-apache network satellite 5.0, network satellite 4.2 1.3.27-36.rhn.rhel4
  • rhn-modssl network satellite 4.2 2.8.12-8.rhn.10.rhel3
  • rhn-modssl network satellite 5.0, network satellite 4.2 2.8.12-8.rhn.10.rhel4

red hat advisories RHSA-2008:0524RHSA-2008:0261

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2006-7197 updated

mod_jk chunk too long

  • Red Hat Satellite 5.0 (RHEL v.4 AS) jabberd 2.0s10-3.38.rhn, jfreechart 0.9.20-3.rhn, tomcat5 5.0.30-0jpp_10rh, perl-Crypt-CBC 2.24-1.el4, rhn-modperl 1.29-16.rhel4, openmotif21 2.1.30-11.RHEL4.6, +4 more
    fixed: vendor fix RHSA-2008:0261
  • Red Hat Satellite v 4.2 (RHEL v.3 AS) jabberd 2.0s10-3.37.rhn, jfreechart 0.9.20-3.rhn, tomcat5 5.0.30-0jpp_10rh, perl-Crypt-CBC 2.24-1.el3, rhn-modperl 1.29-16.rhel3, openmotif21 2.1.30-9.RHEL3.8, +4 more Red Hat Satellite v 4.2 (RHEL v.4 AS) jabberd 2.0s10-3.38.rhn, jfreechart 0.9.20-3.rhn, tomcat5 5.0.30-0jpp_10rh, perl-Crypt-CBC 2.24-1.el4, rhn-modperl 1.29-16.rhel4, openmotif21 2.1.30-11.RHEL4.6, +4 more
    fixed: vendor fix RHSA-2008:0524

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

8.32% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 7.8 AV:N/AC:L/Au:N/C:C/I:N/A:N

Affected packages

ecosystem package affected fixed in
maven org.apache.tomcat:tomcat
<=5.5.15
 no fix listed

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.