CVE-2009-1902: n/a vulnerability

CVE-2009-1902: The multipart processor in ModSecurity before 2.5.9 allows remote attackers to cause a denial of service (c...

The multipart processor in ModSecurity before 2.5.9 allows remote attackers to cause a denial of service (crash) via a multipart form datapost request with a missing part header name, which triggers a NULL pointer dereference.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 7, 2024, 05:27 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2009-1902 is an old ModSecurity crash bug. A malformed multipart form upload can cause vulnerable ModSecurity versions before 2.5.9 to crash, disrupting web application firewall protection and possibly service availability. The source bundle lists public exploit material, but no CISA KEV entry or active exploitation evidence. Exposure is most likely in legacy web stacks still running ModSecurity before 2.5.9, including old distribution packages. Current deployments are less likely exposed if maintained through vendor security updates. Treat as a legacy availability risk. Prioritize remediation where ModSecurity protects public-facing or business-critical web applications, especially if versions are unconfirmed or unsupported. Mitigation focus: Upgrade ModSecurity to version 2.5.9 or later.; Apply relevant distribution security updates from Fedora, Gentoo, SUSE, or your platform vendor.; Retire unsupported ModSecurity packages where vendor fixes are unavailable..

Prepared: Jun 28, 2026, 10:45 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Jun 3, 2009, 16:33 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

5Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
FEDORA-2009-2654CVE reference · vendor-advisory, x_refsource_FEDORA
modsecurity-multipart-dos(49212)CVE reference · vdb-entry, x_refsource_XF
8241CVE reference · exploit, x_refsource_EXPLOIT-DB
FEDORA-2009-2686CVE reference · vendor-advisory, x_refsource_FEDORA

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

No CWE listed

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