{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata. Fed continuously.","feed_url":"https://feed.craftedsignal.io/tags/pointer-dereference/feed.json","home_page_url":"https://feed.craftedsignal.io/","items":[{"_cs_actors":[],"_cs_cpes":[],"_cs_cves":[{"cvss":7.3,"id":"CVE-2026-8835"}],"_cs_exploited":false,"_cs_has_poc":false,"_cs_poc_references":[],"_cs_products":["HTTP Server 8.5","HTTP Server 9.0"],"_cs_severities":["medium"],"_cs_tags":["cve","pointer dereference","dos","information disclosure"],"_cs_type":"advisory","_cs_vendors":["IBM"],"content_html":"\u003cp\u003eIBM HTTP Server versions 8.5 and 9.0 are vulnerable to an invalid pointer dereference vulnerability, identified as CVE-2026-8835. This flaw could be exploited by a privileged user who has been authenticated to the Administration Server. Successful exploitation of this vulnerability could result in the exposure of sensitive information or a denial of service (DoS) condition. The vulnerability was reported to IBM and assigned a CVSS v3.1 base score of 7.3, indicating a high severity level. Defenders should apply appropriate mitigations to prevent potential exploitation by malicious actors.\u003c/p\u003e\n\u003ch2 id=\"attack-chain\"\u003eAttack Chain\u003c/h2\u003e\n\u003col\u003e\n\u003cli\u003eAttacker gains privileged access to the IBM HTTP Server\u0026rsquo;s Administration Server, likely via compromised credentials or an insider threat.\u003c/li\u003e\n\u003cli\u003eAttacker authenticates to the Administration Server using their privileged credentials.\u003c/li\u003e\n\u003cli\u003eAttacker crafts a malicious request targeting a specific function vulnerable to pointer dereference.\u003c/li\u003e\n\u003cli\u003eThe malicious request triggers the invalid pointer dereference within the IBM HTTP Server code.\u003c/li\u003e\n\u003cli\u003eThe server attempts to access an invalid memory address, leading to either information disclosure or a crash.\u003c/li\u003e\n\u003cli\u003eIf information disclosure occurs, the attacker may gain access to sensitive data such as configuration files, user credentials, or internal system information.\u003c/li\u003e\n\u003cli\u003eIf a crash occurs, the server experiences a denial of service, impacting availability for legitimate users.\u003c/li\u003e\n\u003c/ol\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation of CVE-2026-8835 could lead to the exposure of sensitive information, potentially including configuration details or credentials, which could be used for further attacks. Alternatively, the vulnerability can be exploited to cause a denial of service, disrupting normal operations of web applications served by the affected IBM HTTP Server. The impact is limited to authenticated privileged users, reducing the scope of potential attackers.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eApply the security patch or upgrade to a non-vulnerable version of IBM HTTP Server as described in the IBM advisory [https://www.ibm.com/support/pages/node/7274065].\u003c/li\u003e\n\u003cli\u003eMonitor access logs for suspicious activity originating from privileged user accounts, focusing on requests to sensitive administrative endpoints.\u003c/li\u003e\n\u003cli\u003eDeploy the Sigma rule \u0026ldquo;Detect CVE-2026-8835 Exploitation Attempt\u0026rdquo; to identify potential exploitation attempts based on abnormal requests.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-05-26T18:19:47Z","date_published":"2026-05-26T18:19:47Z","id":"https://feed.craftedsignal.io/briefs/2026-05-ibm-http-server-pointer-dereference/","summary":"IBM HTTP Server versions 8.5 and 9.0 are susceptible to an invalid pointer dereference, potentially allowing a privileged, authenticated user to expose sensitive information or cause a denial of service.","title":"CVE-2026-8835: IBM HTTP Server Invalid Pointer Dereference Vulnerability","url":"https://feed.craftedsignal.io/briefs/2026-05-ibm-http-server-pointer-dereference/"}],"language":"en","title":"CraftedSignal Threat Feed — Pointer Dereference","version":"https://jsonfeed.org/version/1.1"}