All vulnerabilities

Servers and applications

CVE-2005-2970

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.

Severity
Medium 5.0
Published
25 Oct 2005
Last changed
16 Jun 2026
Added to UpHeron
17 Oct 2026
Fixed in
2.0.55
Exploit chance
14% in the next 30 daysHigher than 96% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
Allocation without limits (CWE-770)
Attack
Over the network · No login needed
Attacker can
Slow it down
CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:P
Sources
NVD

Affected software

SoftwareAffected versions
Apache HTTP ServerServers and applications · cpe:a:apache:http_server
  • From 2.0.36 before 2.0.55

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2005-2970
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2005-2970