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Vulnerability record · CVE-2002-0082 · published 15 March 2002

CVE-2002-0082: Apache-ssl vulnerability

Apache Ssl · Apache Ssl

The dbm and shm session cache code in mod_ssl before 2.8.7-1.3.23, and Apache-SSL before 1.3.22+1.46, does not properly initialize memory using the i2d_SSL_SESSION function, which allows remote attackers to use a buffer overflow to execute arbitrary code via a large client certificate that is signed by a trusted Certificate Authority (CA), which produces a large serialized session.

7.5 CVSS 2.0 High EPSS 30% · top 1.9%
7.5CVSS 2.0 base score
30%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
36References
16 Jun 2026Last modified by NVD

Description

The dbm and shm session cache code in mod_ssl before 2.8.7-1.3.23, and Apache-SSL before 1.3.22+1.46, does not properly initialize memory using the i2d_SSL_SESSION function, which allows remote attackers to use a buffer overflow to execute arbitrary code via a large client certificate that is signed by a trusted Certificate Authority (CA), which produces a large serialized session.

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

Affected products

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

References

LinkTags
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000465
http://ftp.support.compaq.com/patches/.new/html/SSRT0817.shtml
http://marc.info/?l=bugtraq&m=101518491916936&w=2
http://marc.info/?l=bugtraq&m=101528358424306&w=2
http://online.securityfocus.com/archive/1/258646
http://packetstormsecurity.com/files/153567/Apache-mod_ssl-OpenSSL-Remote-Buffer-Overflow.html
http://www.apacheweek.com/issues/02-03-01#security
http://www.calderasystems.com/support/security/advisories/CSSA-2002-011.0.txt
http://www.debian.org/security/2002/dsa-120
http://www.iss.net/security_center/static/8308.php PatchVendor Advisory
http://www.linux-mandrake.com/en/security/2002/MDKSA-2002-020.php
http://www.linuxsecurity.com/advisories/other_advisory-1923.html
http://www.redhat.com/support/errata/RHSA-2002-041.html
http://www.redhat.com/support/errata/RHSA-2002-042.html
http://www.redhat.com/support/errata/RHSA-2002-045.html
http://www.securityfocus.com/advisories/3965
http://www.securityfocus.com/advisories/4008
http://www.securityfocus.com/bid/4189
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000465
http://ftp.support.compaq.com/patches/.new/html/SSRT0817.shtml
http://marc.info/?l=bugtraq&m=101518491916936&w=2
http://marc.info/?l=bugtraq&m=101528358424306&w=2
http://online.securityfocus.com/archive/1/258646
http://packetstormsecurity.com/files/153567/Apache-mod_ssl-OpenSSL-Remote-Buffer-Overflow.html
http://www.apacheweek.com/issues/02-03-01#security
http://www.calderasystems.com/support/security/advisories/CSSA-2002-011.0.txt
http://www.debian.org/security/2002/dsa-120
http://www.iss.net/security_center/static/8308.php PatchVendor Advisory
http://www.linux-mandrake.com/en/security/2002/MDKSA-2002-020.php
http://www.linuxsecurity.com/advisories/other_advisory-1923.html
http://www.redhat.com/support/errata/RHSA-2002-041.html
http://www.redhat.com/support/errata/RHSA-2002-042.html
http://www.redhat.com/support/errata/RHSA-2002-045.html
http://www.securityfocus.com/advisories/3965
http://www.securityfocus.com/advisories/4008
http://www.securityfocus.com/bid/4189

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

Source: NIST National Vulnerability Database (record CVE-2002-0082), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.