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CVE-2026-34356

7.5 HIGH

Heap-based Buffer Overflow vulnerability in Apache HTTP Server with malicious backend servers and ProxyPassReverseCookie* This issue aff...

Published: 2026-06-08 · Last updated: 2026-06-09

Severity and scoring

CVSS
7.5 HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
CWE-122

Affected products

VendorProduct
apachehttp_server

Description

Heap-based Buffer Overflow vulnerability in Apache HTTP Server with malicious backend servers and ProxyPassReverseCookie* This issue affects Apache HTTP Server: from 2.4.0 through 2.4.67. Users are recommended to upgrade to version 2.4.68, which fixes the issue.

Source: NVD

References

Related CVEs

Same vendor

  • CVE-2026-34905 — Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache Answer (6.5 MEDIUM)
  • CVE-2026-34031 — Unrestricted Upload of File with Dangerous Type vulnerability in Apache Answer (6.5 MEDIUM)
  • CVE-2026-33582 — Unrestricted Upload of File with Dangerous Type vulnerability in Apache Answer (6.5 MEDIUM)
  • CVE-2026-25699 — Exposure of Private Personal Information to an Unauthorized Actor vulnerability in Apache Answer (6.1 MEDIUM)
  • CVE-2026-25688 — Improper Neutralization of Alternate XSS Syntax vulnerability in Apache Answer (6.1 MEDIUM)

Same CWE

  • CVE-2026-53465 — ImageMagick is free and open-source software used for editing and manipulating digital images (6.2 MEDIUM)
  • CVE-2026-48994 — ImageMagick is free and open-source software used for editing and manipulating digital images (5.9 MEDIUM)
  • CVE-2026-46692 — ImageMagick is free and open-source software used for editing and manipulating digital images (4.1 MEDIUM)
  • CVE-2026-46520 — ImageMagick is free and open-source software used for editing and manipulating digital images (7.5 HIGH)
  • CVE-2026-2049 — GIMP HDR File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability (7.8 HIGH)