CVE-2026-4652 | FreeBSD NVMe null pointer dereference

VDB-353564 · CVE-2026-4652 · GCVE-0-2026-4652 FREEBSD NVME NULL POINTER DEREFERENCE HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 5.1 $0-$5k 1.91+ Summaryinfo A vulnerability categorized as problematic has been discovered in FreeBSD. This affects an unknown part of the component NVMe. Such manipulation leads to null pointer dereference. This vulnerability is traded as CVE-2026-4652. The attack may be launched remotely. There is no exploit available. It is advisable to implement a patch to correct this issue. Detailsinfo A vulnerability was found in FreeBSD (affected version unknown). It has been rated as problematic. Affected by this issue is an unknown functionality of the component NVMe. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is availability. CVE summarizes: On a system exposing an NVMe/TCP target, a remote client can trigger a kernel panic by sending a CONNECT command for an I/O queue with a bogus or stale CNTLID. An attacker with network access to the NVMe/TCP target can trigger an unauthenticated Denial of Service condition on the affected machine. The advisory is shared for download at security.freebsd.org. This vulnerability is handled as CVE-2026-4652 since 03/23/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 03/26/2026). Applying a patch is able to eliminate this problem. Productinfo Type Operating System Name FreeBSD License open-source Website Product: https://www.freebsd.org/ CPE 2.3info 🔒 CPE 2.2info 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 5.3 VulDB Meta Temp Score: 5.1 VulDB Base Score: 5.3 VulDB Temp Score: 5.1 VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Null pointer dereference CWE: CWE-476 / CWE-404 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No Remote: Yes Availability: 🔒 Status: Not defined Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: Patch Status: 🔍 0-Day Time: 🔒 Timelineinfo 03/23/2026 CVE reserved 03/26/2026 +3 days Advisory disclosed 03/26/2026 +0 days VulDB entry created 03/26/2026 +0 days VulDB entry last update Sourcesinfo Product: freebsd.org Advisory: security.freebsd.org Status: Confirmed CVE: CVE-2026-4652 (🔒) GCVE (CVE): GCVE-0-2026-4652 GCVE (VulDB): GCVE-100-353564 Entryinfo Created: 03/26/2026 07:46 Changes: 03/26/2026 07:46 (54) Complete: 🔍 Cache ID: 99:0AE:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸