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Vulnerabilities

Vulnerability · CVE-2011-1928

CVE-2011-1928 is listed by inventory_critical.

Published May 24, 2011 · catalog updated Jun 16, 2026 · the affected product

Last checked Nov 7, 2026. A connected source was read within the last 7 days.

Check this week

CVE-2011-1928 is not in CISA KEV. FIRST estimates a 10.32% chance of exploitation in the next 30 days. Check whether you run the affected product.

Gaps on this record

  • No plain product name is stored. The page cannot tell you which product to check.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Medium4.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
10.32%
Remediation
Advisory link
Affected products
cpe apache/apr-util · cpe apache/http server

CVE-2011-1928 is listed by inventory_critical.

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/apr-util1.4.3
  • cpe apache/apr-util1.4.4
  • cpe apache/http server2.2.18

How to fix CVE-2011-1928

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2011-1928 is not in CISA KEV. FIRST estimates a 10.32% chance of exploitation in the next 30 days. Check whether you run the affected product.

Which versions are affected?

Compare what you have installed with apache/http server 2.2.18. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-399. EPSS 10.32%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

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.

  1. May 24, 2011 · Monitored products — critical

    Detected

    CVE-2011-1928 is listed by inventory_critical.

  2. Jun 16, 2026 · Monitored products — critical

    Updated

    CVE-2011-1928 is listed by inventory_critical.

Sources

  • CVE.orgVulnerability recordCVE-2011-1928

    Official CVE identifier

    cve.org
  • Monitored products — criticalVendor advisoryCVE-2011-1928

    The fnmatch implementation in apr_fnmatch.c in the Apache Portable Runtime (APR) library 1.4.3 and 1.4.4, and the Apache HTTP Server 2.2.18, allows remote attackers to cause a denial of service (infinite loop) via a URI that does not match unspecified types of wildcard patterns, as demonstrated by attacks against mod_autoindex in httpd when a /*/WEB-INF/ configuration pattern is used. NOTE: this i

    nvd.nist.gov

References

Freshness

Last verified in this catalog Nov 7, 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 4, 2026