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🛡️ CVE-2026-48913 — apache

🟠 CVSS 8.0 — High ✅ No Known Exploit NVD
8.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Apache HTTP Server: mod_http2 memory corruption when file handles exhausted

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.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality low, integrity low, availability low.

CVSS metrics in full

The score comes from this vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

  • Attack vector: Network — reachable from anywhere that can route to the service.
  • Attack complexity: Low — the attack works reliably, with no preparation.
  • Privileges required: None — an unauthenticated stranger can try it.
  • User interaction: None — nobody has to be tricked into anything.
  • Scope: Unchanged — the damage stays inside the vulnerable component.
  • Confidentiality impact: Low — limited, and the attacker does not choose what is affected.
  • Integrity impact: Low — limited, and the attacker does not choose what is affected.
  • Availability impact: Low — limited, and the attacker does not choose what is affected.

Affected software

CVE-2026-48913 is recorded against 2 packages.

  • apache
  • http-server (from 2.4.55 up to 2.4.68)

Timeline and source

Published on 10 June 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

www.openwall.com (Web)
httpd.apache.org (Web)
nvd.nist.gov (Web)

Other advisories for this package

apache has other advisories on record. If you are patching this one, these are worth checking on the same host:

CVE-2026-48913 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Severity HIGH
CVSS Score 8.0
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CWE N/A
Public Exploit ✅ No
Source NVD
Published 2026-06-10
Updated 2026-08-20
Modified 2026-06-10
Fix URL N/A

Affected Packages

Software From version Fixed in
apache — —
http-server 2.4.55 2.4.68

Similar Threats

Site Security Check

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CVE-2026-48913 is rated CVSS 8.0 High. BotEraser scans your installation against known CVE records and tells you whether this vulnerability applies to the versions you actually run.

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ⓘ Data Notice: The information presented above has been compiled from publicly available internet sources. Boteraser aggregates this data solely for informational purposes and does not independently classify, evaluate, or endorse any findings about the vulnerabilities listed. The accuracy and completeness of this information is the sole responsibility of the original publishers. Boteraser and its operators accept no liability for any decisions made based on this data.

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