Vulnerability · CVE-1999-0926
Apache allows remote attackers to conduct a denial of service via a large number of MIME headers.
Published Sep 3, 1999 · catalog updated Jun 16, 2026 · http server
Last checked Nov 4, 2026. A connected source was read within the last 7 days.
Check if you run it
No confirmed exploitation is on record for CVE-1999-0926. EPSS is 9.45%. Act only if a listed version of http server is installed.
Gaps on this record
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
Same product and reporting
- CVE-2026-93546 · High
- CVE-2026-79768 · Medium
- CVE-2026-73637 · High
- CVE-2026-73636 · High
- CVE-2026-63718 · High
- Severity
- Critical10.0
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 9.45%
- Remediation
- Not established
- Affected products
- cpe apache/http server
Apache allows remote attackers to conduct a denial of service via a large number of MIME headers.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- cpe apache/http server1.2.5
How to fix CVE-1999-0926
No stored fix
No vendor fix text is stored. Use the linked advisory before you change production.
Version check
Seen in 1.2.5
Advisory
Open the cve_org record and follow its fix.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-1999-0926. EPSS is 9.45%. Act only if a listed version of http server is installed.
Which versions are affected?
Compare what you have installed with apache/http server 1.2.5. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
No weakness class is stored. EPSS 9.45%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Technology hubs
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Sep 3, 1999 · Monitored products — critical
Detected
Apache allows remote attackers to conduct a denial of service via a large number of MIME headers.
Jun 16, 2026 · Monitored products — critical
Updated
Apache allows remote attackers to conduct a denial of service via a large number of MIME headers.
Sources
- CVE.orgVulnerability recordCVE-1999-0926
Official CVE identifier
cve.org - Monitored products — criticalVendor advisoryCVE-1999-0926
Apache allows remote attackers to conduct a denial of service via a large number of MIME headers.
nvd.nist.gov
References
Freshness
Last verified in this catalog Nov 3, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- CVE.orgNov 4, 2026
- Monitored products — criticalNov 3, 2026