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Review reviewHigh

CVE-2026-48913

Apache Software Foundation Apache HTTP Server, http server

Use After Free vulnerability in Apache HTTP Server module mod_http2 when file handles are already exhausted. This issue affects Apache HTTP Server: from 2.4.55 through 2.4.67.

CVSS
7.3
EPSS
0.48%
38.8% percentile
CISA KEV
Not listed
Published
2026.06.09
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.48%
Technical severityCVSS 7.3

Vulnerability overview

Use After Free vulnerability in Apache HTTP Server module mod_http2 when file handles are already exhausted. This issue affects Apache HTTP Server: from 2.4.55 through 2.4.67.

Affected product and versions

Product
Apache Software Foundation Apache HTTP Server, http server
Affected versions
>= 2.4.55 <= 2.4.67, >= 2.4.55 < 2.4.68
Fixed versions
2.4.68

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Apache Software Foundation Apache HTTP Server, http server and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CWE
CWE-416
CVE-2026-48913 — Apache Software Foundation Apache HTTP Server, http server | SECUFOCUS NOW