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Vulnerability record · CVE-2004-0113 · published 29 March 2004

CVE-2004-0113: Apache http server vulnerability

Apache · Http Server

Memory leak in ssl_engine_io.c for mod_ssl in Apache 2 before 2.0.49 allows remote attackers to cause a denial of service (memory consumption) via plain HTTP requests to the SSL port of an SSL-enabled server.

5.0 CVSS 2.0 Medium EPSS 11% · top 4.2%
5.0CVSS 2.0 base score
11%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
58References
16 Jun 2026Last modified by NVD

Description

Memory leak in ssl_engine_io.c for mod_ssl in Apache 2 before 2.0.49 allows remote attackers to cause a denial of service (memory consumption) via plain HTTP requests to the SSL port of an SSL-enabled server.

AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000839
http://issues.apache.org/bugzilla/show_bug.cgi?id=27106
http://marc.info/?l=apache-cvs&m=107869699329638
http://marc.info/?l=bugtraq&m=108034113406858&w=2
http://marc.info/?l=bugtraq&m=108369640424244&w=2
http://marc.info/?l=bugtraq&m=108731648532365&w=2
http://security.gentoo.org/glsa/glsa-200403-04.xml
http://www.apacheweek.com/features/security-20 Vendor Advisory
http://www.mandrakesoft.com/security/advisories?name=MDKSA-2004:043
http://www.osvdb.org/4182
http://www.redhat.com/support/errata/RHSA-2004-084.html
http://www.redhat.com/support/errata/RHSA-2004-182.html
http://www.securityfocus.com/bid/9826 PatchVendor Advisory
http://www.trustix.org/errata/2004/0017
https://exchange.xforce.ibmcloud.com/vulnerabilities/15419
https://lists.apache.org/thread.html/54a42d4b01968df1117cea77fc53d6beb931c0e05936ad02af93e9ac%40%3Ccvs.httpd.apache.org%
https://lists.apache.org/thread.html/5df9bfb86a3b054bb985a45ff9250b0332c9ecc181eec232489e7f79%40%3Ccvs.httpd.apache.org%
https://lists.apache.org/thread.html/r0276683d8e1e07153fc8642618830ac0ade85b9ae0dc7b07f63bb8fc%40%3Ccvs.httpd.apache.org
https://lists.apache.org/thread.html/r2cb985de917e7da0848c440535f65a247754db8b2154a10089e4247b%40%3Ccvs.httpd.apache.org
https://lists.apache.org/thread.html/r5001ecf3d6b2bdd0b732e527654248abb264f08390045d30709a92f6%40%3Ccvs.httpd.apache.org
https://lists.apache.org/thread.html/r5f9c22f9c28adbd9f00556059edc7b03a5d5bb71d4bb80257c0d34e4%40%3Ccvs.httpd.apache.org
https://lists.apache.org/thread.html/r7035b7c9091c4b665a3b7205364775410646f12125d48e74e395f2ce%40%3Ccvs.httpd.apache.org
https://lists.apache.org/thread.html/r8828e649175df56f1f9e3919938ac7826128525426e2748f0ab62feb%40%3Ccvs.httpd.apache.org
https://lists.apache.org/thread.html/r9e8622254184645bc963a1d47c5d47f6d5a36d6f080d8d2c43b2b142%40%3Ccvs.httpd.apache.org
https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org
https://lists.apache.org/thread.html/raa117ef183f0da9b3f46efbeaa66f7622bd68868a450cae4fd8ed594%40%3Ccvs.httpd.apache.org
https://lists.apache.org/thread.html/re028d61fe612b0908595d658b9b39e74bca56f2a1ed3c5f06b5ab571%40%3Ccvs.httpd.apache.org
https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A876
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000839
http://issues.apache.org/bugzilla/show_bug.cgi?id=27106
http://marc.info/?l=apache-cvs&m=107869699329638
http://marc.info/?l=bugtraq&m=108034113406858&w=2
http://marc.info/?l=bugtraq&m=108369640424244&w=2
http://marc.info/?l=bugtraq&m=108731648532365&w=2
http://security.gentoo.org/glsa/glsa-200403-04.xml
http://www.apacheweek.com/features/security-20 Vendor Advisory
http://www.mandrakesoft.com/security/advisories?name=MDKSA-2004:043
http://www.osvdb.org/4182
http://www.redhat.com/support/errata/RHSA-2004-084.html

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Source: NIST National Vulnerability Database (record CVE-2004-0113), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.