CVE-2026-8854: CWE-825 Expired Pointer Dereference in IBM HTTP Server
IBM HTTP Server 8.5, and 9.0 is vulnerable to denial of service via the optional module mod_mem_cache.
AI Analysis
Technical Summary
CVE-2026-8854 is a high-severity vulnerability affecting IBM HTTP Server versions 8.5.0 and 9.0. It involves an expired pointer dereference in the mod_mem_cache module, which can be exploited to cause a denial of service (DoS) by crashing or destabilizing the server. The vulnerability does not impact confidentiality or integrity but results in availability disruption. The CVSS 3.1 vector indicates the attack can be performed remotely without privileges or user interaction. No patch or official remediation level has been disclosed by IBM as of the publication date.
Potential Impact
Successful exploitation of this vulnerability results in denial of service, causing the IBM HTTP Server to crash or become unresponsive. This impacts the availability of the affected server but does not affect confidentiality or integrity of data. There are no known exploits in the wild currently.
Mitigation Recommendations
Patch status is not yet confirmed — check the IBM vendor advisory for current remediation guidance. Until an official fix is released, consider disabling the mod_mem_cache module if feasible to mitigate exposure to this vulnerability.
CVE-2026-8854: CWE-825 Expired Pointer Dereference in IBM HTTP Server
Description
IBM HTTP Server 8.5, and 9.0 is vulnerable to denial of service via the optional module mod_mem_cache.
CVSS v3.1
Score 7.5high
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-8854 is a high-severity vulnerability affecting IBM HTTP Server versions 8.5.0 and 9.0. It involves an expired pointer dereference in the mod_mem_cache module, which can be exploited to cause a denial of service (DoS) by crashing or destabilizing the server. The vulnerability does not impact confidentiality or integrity but results in availability disruption. The CVSS 3.1 vector indicates the attack can be performed remotely without privileges or user interaction. No patch or official remediation level has been disclosed by IBM as of the publication date.
Potential Impact
Successful exploitation of this vulnerability results in denial of service, causing the IBM HTTP Server to crash or become unresponsive. This impacts the availability of the affected server but does not affect confidentiality or integrity of data. There are no known exploits in the wild currently.
Mitigation Recommendations
Patch status is not yet confirmed — check the IBM vendor advisory for current remediation guidance. Until an official fix is released, consider disabling the mod_mem_cache module if feasible to mitigate exposure to this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- ibm
- Date Reserved
- 2026-05-18T16:15:08.013Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a15e03d891d628fdc67d99d
Added to database: 5/26/2026, 6:02:37 PM
Last enriched: 5/26/2026, 6:17:31 PM
Last updated: 5/26/2026, 9:44:13 PM
Views: 4
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