CVE-2026-34501 — HIGH (7.5)

Q: How severe is CVE-2026-34501?

CVE-2026-34501 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-34501?

Check the references section above for vendor advisories and patch information. Affected products include: Apache Apr-Util.

Vulnerability Description

Heap-based Buffer Overflow vulnerability in Apache Portable Runtime Utility redis client. This issue affects Apache Portable Runtime Utility: from 1.6.0 through 1.6.3. Users are recommended to upgrade to version 1.6.4, which fixes the issue.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Apache	Apr-Util	>= 1.6.0, < 1.6.4

Related Weaknesses (CWE)

CWE-122

References

https://lists.apache.org/thread/o8h6c7cq86fplxlnry6c3rn9x0ovq8mvMailing ListVendor Advisory
http://www.openwall.com/lists/oss-security/2026/08/06/11Mailing ListThird Party Advisory

FAQ

What is CVE-2026-34501?

CVE-2026-34501 is a vulnerability with a CVSS score of 7.5 (HIGH). Heap-based Buffer Overflow vulnerability in Apache Portable Runtime Utility redis client. This issue affects Apache Portable Runtime Utility: from 1.6.0 through 1.6.3. Users are recommended to upgra...

How severe is CVE-2026-34501?

CVE-2026-34501 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-34501?

Check the references section above for vendor advisories and patch information. Affected products include: Apache Apr-Util.