Description
Buffer overflows in the ApacheBench benchmark support program (ab.c) in Apache before 1.3.27, and Apache 2.x before 2.0.43, allow a malicious web server to cause a denial of service and possibly execute arbitrary code via a long response.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗Advisories 3
- DSA-187 apache - several vulnerabilities Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-195 apache-perl - several vulnerabilities Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-188 apache-ssl - several vulnerabilities Debian Security (DSA / DLA) · Mar 9, 2026
References
- DSA-188 vendor-advisory
- CLSA-2002:530 vendor-advisory
- http://marc.info/?l=apache-httpd-announce&m=103367938230488&w=2
- ESA-20021007-024 vendor-advisory
- 5996 vdb-entry
- IY87070 vendor-advisory
- HPSBUX0210-224 vendor-advisory
- ADV-2006-3263 vdb-entry
- 20021016 Apache 1.3.26 mailing-list
- DSA-187 vendor-advisory
- http://www.apacheweek.com/issues/02-10-04
- 5887 vdb-entry
- DSA-195 vendor-advisory
- 20021003 [OpenPKG-SA-2002.009] OpenPKG Security Advisory (apache) mailing-list
- MDKSA-2002:068 vendor-advisory
- http://www14.software.ibm.com/webapp/set2/subscriptions/pqvcmjd?mode=18&ID=2871
- CLA-2002:530 vendor-advisory
- 21425 third-party-advisory
- 20021017 TSLSA-2002-0069-apache mailing-list
- 5995 vdb-entry
- apache-apachebench-response-bo(10281) vdb-entry
- [httpd-cvs] 20210330 svn commit: r1073139 [1/13] - in /websites/staging/httpd/trunk/content: ./ security/json/ mailing-list
- [httpd-cvs] 20210330 svn commit: r1073140 [1/4] - in /websites/staging/httpd/trunk/content: ./ security/cvejsontohtml.py security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.ht mailing-list
- [httpd-cvs] 20210330 svn commit: r1073149 [2/13] - in /websites/staging/httpd/trunk/content: ./ security/ security/json/ mailing-list
- [httpd-cvs] 20210330 svn commit: r1073149 [1/13] - in /websites/staging/httpd/trunk/content: ./ security/ security/json/ mailing-list
- [httpd-cvs] 20210603 svn commit: r1075360 [1/3] - in /websites/staging/httpd/trunk/content: ./ security/json/CVE-2021-31618.json security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabiliti mailing-list
- [httpd-cvs] 20210606 svn commit: r1075470 [1/4] - in /websites/staging/httpd/trunk/content: ./ security/json/CVE-2020-13938.json security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabiliti mailing-list