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Fencer Vulns
medium 5.0

CVE-2005-2970 json

Memory leak in the worker MPM (worker.c) for Apache 2, in certain circumstances, allows remote attackers to cause a denial of service (memo…

published 2005-10-25 21 y ago modified 2026-06-16 4 mo ago also EUVD-2005-2970

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
14.2%
EPSS 14.2% chance of exploitation in 30 days, percentile 96%
public exploits
0
none known

Summary

Memory leak in the worker MPM (worker.c) for Apache 2, in certain circumstances, allows remote attackers to cause a denial of service (memory consumption) via aborted connections, which prevents the memory for the transaction pool from being reused for other connections.

Patch / fix

  • apache http_server 2.0.55
  • apache2 Debian 14, Debian 13, Debian 12 2.0.55-1

debian advisories DEBIAN-CVE-2005-2970

  • httpd RHEL 3 2.0.46-56.ent
  • httpd RHEL 4 2.0.52-22.ent
  • mod_ssl RHEL 3 1:2.0.46-56.ent
  • mod_ssl RHEL 4 1:2.0.52-22.ent
  • httpd-manual RHEL 4 2.0.52-22.ent
  • httpd-suexec RHEL 4 2.0.52-22.ent

red hat advisories RHSA-2006:0159

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-2005-2970 updated

security flaw

  • Red Hat Desktop version 3 httpd 2.0.46-56.ent, mod_ssl 2.0.46-56.ent Red Hat Enterprise Linux AS version 3 httpd 2.0.46-56.ent, mod_ssl 2.0.46-56.ent Red Hat Enterprise Linux AS version 4 httpd 2.0.52-22.ent, mod_ssl 2.0.52-22.ent, httpd-manual 2.0.52-22.ent, httpd-suexec 2.0.52-22.ent Red Hat Enterprise Linux Desktop version 4 httpd 2.0.52-22.ent, mod_ssl 2.0.52-22.ent, httpd-manual 2.0.52-22.ent, httpd-suexec 2.0.52-22.ent Red Hat Enterprise Linux ES version 3 httpd 2.0.46-56.ent, mod_ssl 2.0.46-56.ent Red Hat Enterprise Linux ES version 4 httpd 2.0.52-22.ent, mod_ssl 2.0.52-22.ent, httpd-manual 2.0.52-22.ent, httpd-suexec 2.0.52-22.ent
    +2 more products
    Red Hat Enterprise Linux WS version 3 httpd 2.0.46-56.ent, mod_ssl 2.0.46-56.ent Red Hat Enterprise Linux WS version 4 httpd 2.0.52-22.ent, mod_ssl 2.0.52-22.ent, httpd-manual 2.0.52-22.ent, httpd-suexec 2.0.52-22.ent
    fixed: vendor fix RHSA-2006:0159

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

14.19% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness
  • CWE-770 Allocation of Resources Without Limits or Throttling
Technology feeds

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.