{"id":"CVE-2002-0687","aliases":["GHSA-vwrc-g9q6-f675","PYSEC-2026-761"],"title":"Zope Server vulnerable to DoS via header injection","summary":"Zope Server vulnerable to DoS via header injection","severity":"medium","vendor":"zope","product":"zope","ecosystem":"pip","affected":["zope >= 2.0.0, < 2.4.4b2","zope >= 2.5.0, < 2.5.1b2"],"patched":["zope 2.4.4b2","zope 2.5.1b2"],"published":"2022-04-30","updated":"2026-07-06","source":"OSV","sourceUrl":"https://osv.dev/vulnerability/GHSA-vwrc-g9q6-f675","references":[{"url":"https://nvd.nist.gov/vuln/detail/CVE-2002-0687"},{"url":"https://marc.info/?l=zope-announce&m=101890177815066&w=2"},{"url":"https://marc.info/?l=zope-announce&m=101897461507941&w=2"},{"url":"https://marc.info/?l=zope-announce&m=101897462107967&w=2"},{"url":"https://web.archive.org/web/20020822024423/http://www.iss.net/security_center/static/9621.php"},{"url":"https://web.archive.org/web/20021018100409/http://online.securityfocus.com/bid/5813"},{"url":"http://www.redhat.com/support/errata/RHSA-2002-060.html"},{"url":"http://www.zope.org/Products/Zope/Hotfix_2002-04-15/security_alert"}],"tags":["osv","pip"],"epss":0.01479,"epssPercentile":0.72327,"ingestedAt":"2026-07-08T18:25:53.499Z","slug":"CVE-2002-0687","body":"## Overview\n\nZope is a Web application server for Linux. Zope versions 2.0 through 2.5.1 b1 are vulnerable to a denial of service attack, caused by a vulnerability that occurs when using the \"through the Web code\" capability. A remote attacker could inject malicious headers into a response to cause the vulnerable system to crash.\n\n## Affected packages\n\n- `zope >= 2.0.0, < 2.4.4b2`\n- `zope >= 2.5.0, < 2.5.1b2`\n\n## Remediation\n\nUpgrade to a patched release:\n\n- `zope 2.4.4b2`\n- `zope 2.5.1b2`","depth":"sunlit","depthScore":28,"depthScoreParts":{"impact":27.5,"likelihood":0.3,"exploitation":0,"ransomware":0},"changes":[]}