CVE-2009-3094: apache http_server NULL Pointer Dereference
Vulnerability summary
CVE-2009-3094 is a low (CVSS 2.6) NULL Pointer Dereference vulnerability in apache http_server. EPSS estimates a 8.57% chance of exploitation in the next 30 days, higher than 95% of scored vulnerabilities.
Not severe (CVSS 2.6, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 7 · Related 1Timeline
- 08-09-2009PublishedVulnerability first disclosed.
- 07-08-2024Last modifiedVulnerability information updated.
Description
The ap_proxy_ftp_handler function in modules/proxy/proxy_ftp.c in the mod_proxy_ftp module in the Apache HTTP Server 2.0.63 and 2.2.13 allows remote FTP servers to cause a denial of service (NULL pointer dereference and child process crash) via a malformed reply to an EPSV command.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
8.57%
Chance of exploitation in the next 30 days
Percentile
95%
Versus all other CVEs
30-day change
No change 0.00 pp
From 8.57% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication (CVSS vector). Other conditions: not stated in public data.
Debian2 products
- apache2< 2.2.13-2
- debian_linuxEOL4.0 | 5.0
Apache1 product
- http_server≥ 2.0.35, < 2.0.64 | ≥ 2.2.0, < 2.2.14
Fedoraproject1 product
- fedoraEOL10 | 12
3 vendors · 4 products
References
41 links- lists.opensuse.org/opensuse-security-announce/2009-10/msg00006.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10981VDB EntrySignatureX Refsource OVALThird Party Advisory
- www.vupen.com/english/advisories/2010/0609VDB EntryX Refsource VUPENPermissions RequiredVendor Advisory
- marc.info?l=bugtraq&m=127557640302499&w=2Vendor AdvisoryX Refsource HPIssue TrackingMailing ListThird Party Advisory
- marc.info?l=bugtraq&m=126998684522511&w=2Vendor AdvisoryX Refsource HPIssue TrackingMailing ListThird Party Advisory
- www-01.ibm.com/support/docview.wss?uid=swg1PK96858Vendor AdvisoryX Refsource AIXAPARThird Party Advisory
- www.securityfocus.com/archive/1/508075/100/0/threadedMailing ListX Refsource BUGTRAQThird Party AdvisoryVDB Entry
Show all 41 references
- marc.info?l=bugtraq&m=133355494609819&w=2Vendor AdvisoryX Refsource HPIssue TrackingMailing ListThird Party Advisory
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8087VDB EntrySignatureX Refsource OVALThird Party Advisory
- www.redhat.com/archives/fedora-package-announce/2009-December/msg00645.htmlVendor AdvisoryX Refsource FEDORAMailing ListThird Party Advisory
- www-01.ibm.com/support/docview.wss?uid=swg1PM09161Vendor AdvisoryX Refsource AIXAPARThird Party Advisory
- www.redhat.com/archives/fedora-package-announce/2009-December/msg00944.htmlVendor AdvisoryX Refsource FEDORAMailing ListThird Party Advisory