CVE-2026-34502: CWE-122 Heap-based Buffer Overflow in Apache Software Foundation Apache Portable Runtime Utility
A heap-based buffer overflow vulnerability exists in the Apache Portable Runtime Utility memcached client affecting versions from 1.3.0 through 1.6.3. This vulnerability can cause a denial of service due to application crashes. The issue is classified under CWE-122 and has a CVSS v3.1 base score of 7.5, indicating high severity. No official patch or remediation guidance is currently provided by the vendor. There are no known exploits in the wild at this time.
AI Analysis
Technical Summary
CVE-2026-34502 is a heap-based buffer overflow vulnerability in the Apache Portable Runtime Utility memcached client component. It affects versions starting from 1.3.0 up to and including 1.6.3. The vulnerability could lead to application crashes resulting in denial of service. The CVSS v3.1 score is 7.5 with vector AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H, indicating network attack vector, low attack complexity, no privileges or user interaction required, unchanged scope, no confidentiality or integrity impact, but high impact on availability. No vendor advisory or patch information is currently available.
Potential Impact
The vulnerability can cause denial of service by crashing the affected application due to heap-based buffer overflow. There is no indication of confidentiality or integrity compromise. No known active exploitation has been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, consider limiting exposure of the affected component to untrusted networks and monitor for abnormal application behavior.
CVE-2026-34502: CWE-122 Heap-based Buffer Overflow in Apache Software Foundation Apache Portable Runtime Utility
Description
A heap-based buffer overflow vulnerability exists in the Apache Portable Runtime Utility memcached client affecting versions from 1.3.0 through 1.6.3. This vulnerability can cause a denial of service due to application crashes. The issue is classified under CWE-122 and has a CVSS v3.1 base score of 7.5, indicating high severity. No official patch or remediation guidance is currently provided by the vendor. There are no known exploits in the wild at this time.
CVSS v3.1
Score 7.5high
Affected software
Apache Software Foundation
Apache Portable Runtime Utility
pkg:maven/org.apache.apr/apr-utilRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-34502 is a heap-based buffer overflow vulnerability in the Apache Portable Runtime Utility memcached client component. It affects versions starting from 1.3.0 up to and including 1.6.3. The vulnerability could lead to application crashes resulting in denial of service. The CVSS v3.1 score is 7.5 with vector AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H, indicating network attack vector, low attack complexity, no privileges or user interaction required, unchanged scope, no confidentiality or integrity impact, but high impact on availability. No vendor advisory or patch information is currently available.
Potential Impact
The vulnerability can cause denial of service by crashing the affected application due to heap-based buffer overflow. There is no indication of confidentiality or integrity compromise. No known active exploitation has been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, consider limiting exposure of the affected component to untrusted networks and monitor for abnormal application behavior.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apache
- Date Reserved
- 2026-03-30T13:24:37.974Z
- State
- PUBLISHED
Threat ID: 6a749d35bf8831d539db9e0b
Added to database: 08/06/2026, 14:41:57 UTC
Last enriched: 08/13/2026, 17:06:21 UTC
Last updated: 09/21/2026, 22:47:12 UTC
Views: 33
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