Common Weakness Enumeration

CWE-401

Allowed

Missing Release of Memory after Effective Lifetime

Abstraction: Variant · Status: Draft

API response cwe.mitre.org

The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.

2253 vulnerabilities reference this CWE, most recent first.

CVE-2026-13698 (GCVE-0-2026-13698)

Vulnerability from cvelistv5 – Published: 2026-07-06 14:13 – Updated: 2026-07-06 15:28
VLAI
Summary
A memory leak in OpenVPN version 2.5.0 through 2.5.11, 2.6.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows remote attackers with a valid tls-crypt-v2 client key to potentially cause a denial of service
Severity
6 (Medium)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-06 15:28 UTC
CWE
  • CWE-401 - Missing release of memory after effective lifetime
  • CWE-770 - Allocation of resources without limits or throttling
Assigner
OpenVPN CNA under the mitre root
CNA scorecard C 74/100 over 27 records in the last 180 days details
References
Impacted products
Vendor Product Version
OpenVPN OpenVPN Affected: 2.5.0 , ≤ 2.5.11 (semver)
Affected: 2.6.0 , ≤ 2.6.20 (semver)
Affected: 2.7_alpha1 , ≤ 2.7.4 (semver)
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CVE-2026-13593 (GCVE-0-2026-13593)

Vulnerability from cvelistv5 – Published: 2026-06-29 19:37 – Updated: 2026-06-29 22:24
VLAI
Title
CSS::Minifier::XS versions before 0.14 for Perl have a memory leak when the entire document is minified away
Summary
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Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-29 20:56 UTC
CWE
  • CWE-401 - Missing Release of Memory after Effective Lifetime
Assigner
CPANSec CNA under the redhat root
CNA scorecard C 63/100 over 287 records in the last 180 days details
References
Impacted products
Vendor Product Version
GTERMARS CSS::Minifier::XS Affected: 0 , < 0.14 (custom)
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CVE-2026-13474 (GCVE-0-2026-13474)

Vulnerability from cvelistv5 – Published: 2026-06-30 13:03 – Updated: 2026-06-30 13:27
VLAI
Title
Denial of service via malformed HTTP/2 requests
Summary
Denial of service via malformed HTTP/2 requests in NetScaler ADC and NetScaler Gateway if HTTP/2 is enabled in HTTP Profile and associated with the virtual server (of type LB, CS, VPN) or the service configured on NetScaler
Severity
8.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-30 13:27 UTC
CWE
  • CWE-401 - Missing release of memory after effective lifetime
Assigner
NetScaler CNA under the mitre root
CNA scorecard C 63/100 over 18 records in the last 180 days details
References
Impacted products
Vendor Product Version
NetScaler ADC Affected: 14.1 , < 72.61 (patch)
Affected: 13.1 , < 63.18 (patch)
Affected: 14.1 FIPS , < 72.61 (patch)
Affected: 13.1 FIPS and NDcPP , < 37.272 (patch)
Create a notification for this product.
NetScaler Gateway Affected: 14.1 , < 72.61 (patch)
Affected: 13.1 , < 63.18 (patch)
Create a notification for this product.
Date Public
2026-06-30 12:00
Show details on NVD website
To clipboard 

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CVE-2026-13148 (GCVE-0-2026-13148)

Vulnerability from cvelistv5 – Published: 2026-09-04 09:44 – Updated: 2026-09-04 13:01
VLAI
Title
Memory leak in scan method
Summary
Missing release of memory after effective lifetime vulnerability in Softing smartLink allows resource leak exposure. This issue affects smartLink HW-PN: from 1.04 before 1.10.
Severity
6.3 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:H/SA:L/AU:Y/R:A/RE:L/U:Red
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-04 12:58 UTC
CWE
  • CWE-401 - Missing release of memory after effective lifetime
Assigner
Softing CNA under the mitre root
CNA scorecard – unranked: 1 record in the last 180 days, 10 needed details
References
Impacted products
Vendor Product Version
Softing smartLink HW-PN Affected: 1.04 , < 1.10 (custom)
Unaffected: 1.10
    cpe:2.3:a:softing:smartlink_hw-pn:*:*:*:*:*:*:*:*
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Show details on NVD website
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CVE-2026-12999 (GCVE-0-2026-12999)

Vulnerability from cvelistv5 – Published: 2026-08-22 20:35 – Updated: 2026-08-25 19:07
VLAI
Title
Infineon Airoc Wi-Fi driver leaks TX buffers on send failure, leading to permanent pool exhaustion
Summary
The Infineon Airoc Wi-Fi driver's transmit callback airoc_mgmt_send() in drivers/wifi/infineon/airoc_wifi.c allocates a net_buf from the fixed airoc_pool for every outbound packet. When whd_network_send_ethernet_data() returns a synchronous failure, the underlying WHD library does not take ownership of the buffer, but the pre-fix driver returned -EIO without releasing it. Each failed transmit therefore permanently leaks one buffer from the pool. airoc_pool is small and fixed (AIROC_WIFI_TX_PACKET_POOL_COUNT + AIROC_WIFI_RX_PACKET_POOL_COUNT, default 20 buffers) and is shared by WHD's whd_host_buffer_get callback for both transmit and receive. Once enough send failures have leaked the pool dry, airoc_wifi_host_buffer_get() returns WHD_BUFFER_ALLOC_FAIL for all subsequent allocations, so both transmit and the WHD-driven receive path fail and Wi-Fi connectivity is lost until the device is rebooted. The leak occurs only on the transmit error path. A Wi-Fi-adjacent attacker can influence the conditions that cause synchronous send failures (for example by deauthenticating/disassociating the station while the local stack continues to attempt transmits), and ordinary transient failures over the device's lifetime accumulate toward the same state. Reliable on-demand triggering is of high complexity and the impact is availability-only, but the resulting denial of service is permanent and non-recoverable without a reboot. The fix releases the buffer with airoc_wifi_buffer_release() on the failure branch, returning it to the pool. The commit also removes a redundant k_sem_give() in airoc_mgmt_disconnect(); because data->sema_common is a binary semaphore (limit 1) the duplicate give merely saturated at 1 and had no security impact.
Severity
5.3 (Medium)
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-25 19:07 UTC
CWE
Assigner
zephyr CNA under the mitre root
CNA scorecard B 77/100 over 179 records in the last 180 days details
References
Impacted products
Vendor Product Version
zephyrproject zephyr Affected: 3.6.0 , < 4.4.2 (semver)
Create a notification for this product.
Show details on NVD website
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CVE-2026-12932 (GCVE-0-2026-12932)

Vulnerability from cvelistv5 – Published: 2026-07-30 16:42 – Updated: 2026-09-17 18:35
VLAI
Summary
A memory leak in the tls-crypt-v2 client key extraction in OpenVPN 2.5.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows remote attackers to cause a denial of service (memory exhaustion) via a flood of crafted packets
Severity
7.1 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-30 18:05 UTC
CWE
  • CWE-401 - Missing release of memory after effective lifetime
Assigner
OpenVPN CNA under the mitre root
CNA scorecard C 74/100 over 27 records in the last 180 days details
References
Impacted products
Vendor Product Version
OpenVPN OpenVPN Affected: 2.5.0 , ≤ 2.6.20 (semver)
Affected: 2.7_alpha1 , ≤ 2.7.4 (semver)
Create a notification for this product.
Show details on NVD website
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CVE-2026-10774 (GCVE-0-2026-10774)

Vulnerability from cvelistv5 – Published: 2026-08-02 14:20 – Updated: 2026-08-31 23:13
VLAI
Title
PSA key-slot leak in Bluetooth Mesh subnet deletion leading to resource-exhaustion DoS
Summary
Zephyr's Bluetooth Mesh subnet key management leaks one PSA Crypto key slot on every subnet-key teardown. In subsys/bluetooth/mesh/subnet.c, net_keys_create() imports the Private Beacon Key into a PSA key slot under CONFIG_BT_MESH_PRIV_BEACONS (enabled by default), but subnet_keys_destroy() guarded the matching psa_destroy_key() with CONFIG_BT_MESH_V1d1. That Kconfig symbol was removed when explicit Mesh 1.0.1 support was dropped, so the destroy branch became permanently dead code and the import is never balanced by a destroy. The imbalanced teardown is reached every time subnet keys are destroyed: deleting a subnet (Config Server NetKey Delete), completing a Key Refresh Procedure (which retires the old key set), and resetting/re-provisioning the node. The over-the-air triggers are processed only under the node's device key, so they are exercisable by the provisioner or network administrator that owns the node, reachable over the Bluetooth Mesh network. With the default CONFIG_MBEDTLS_PSA_KEY_SLOT_COUNT of 16, repeated add/delete or key-refresh cycles exhaust the shared PSA key-slot pool after roughly a dozen rounds. Once exhausted, bt_mesh_private_beacon_key() and thus subnet creation fail: the node can no longer add subnets or complete key refresh, and other PSA crypto consumers on the device may be starved, until the device is rebooted. The fix aligns the destroy guard with the import guard (CONFIG_BT_MESH_PRIV_BEACONS) so each slot is freed.
Severity
2.4 (Low)
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-03 14:56 UTC
CWE
Assigner
zephyr CNA under the mitre root
CNA scorecard B 77/100 over 179 records in the last 180 days details
References
Impacted products
Vendor Product Version
zephyrproject zephyr Affected: 3.6.0 , < 4.3.1 (semver)
Affected: 4.4.0 , < 4.4.2 (semver)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-10699 (GCVE-0-2026-10699)

Vulnerability from cvelistv5 – Published: 2026-07-08 14:18 – Updated: 2026-07-08 15:09
VLAI
Title
Memory leak in SFTP service can result in a denial of service in MOVEit Transfer
Summary
Missing release of memory after effective lifetime vulnerability in Progress MOVEit Transfer (Custom Reports modules). This issue affects MOVEit Transfer: from 2025.0.0 before 2025.0.8, from 2025.1.0 before 2025.1.4, from 2026.0.0 before 2026.0.1.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-08 15:09 UTC
CWE
  • CWE-401 - Missing release of memory after effective lifetime
Assigner
ProgressSoftware CNA under the mitre root
CNA scorecard B 78/100 over 141 records in the last 180 days details
References
Impacted products
Vendor Product Version
Progress MOVEit Transfer Affected: 2025.0.0 , < 2025.0.8 (semver)
Affected: 2025.1.0 , < 2025.1.4 (semver)
Affected: 2026.0.0 , < 2026.0.1 (semver)
Create a notification for this product.
Date Public
2026-07-08 14:00
Show details on NVD website
To clipboard 

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CVE-2026-10677 (GCVE-0-2026-10677)

Vulnerability from cvelistv5 – Published: 2026-07-21 21:30 – Updated: 2026-10-15 22:10
VLAI
Title
Kernel heap memory leak in `z_vrfy_k_poll()` lets an unprivileged user thread exhaust the kernel resource pool
Summary
The CONFIG_USERSPACE syscall verifier z_vrfy_k_poll() in kernel/poll.c allocates a kernel-side copy of the user-supplied k_poll_event[] via z_thread_malloc() and then validates each event's object handle. Before this fix, validation used K_OOPS(K_SYSCALL_OBJ(...)) inline inside the loop, which kills the calling thread without freeing events_copy. A user thread can pass num_events >= 1 with a forged object handle to leak the allocation; because newly spawned user threads inherit the parent's resource_pool (kernel/thread.c), an attacker spawns sacrificial threads to repeat the leak until the shared kernel heap is exhausted. Once depleted, legitimate kernel allocations from that pool (k_queue alloc nodes, k_msgq buffers, future k_poll calls, etc.) fail, causing a system-level denial of service. The fix replaces each inline K_OOPS with a conditional goto oops_free so the buffer is freed before the thread is killed. Affects Zephyr releases from v1.12.0 (when k_poll was first exposed to user mode) through v4.4.1.
Severity
6.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-22 19:32 UTC
CWE
Assigner
zephyr CNA under the mitre root
CNA scorecard B 77/100 over 179 records in the last 180 days details
References
Impacted products
Vendor Product Version
zephyrproject zephyr Affected: 1.12.0 , < 4.3.1 (semver)
Affected: 4.4.0 , < 4.4.2 (semver)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-9572 (GCVE-0-2026-9572)

Vulnerability from cvelistv5 – Published: 2026-05-26 18:30 – Updated: 2026-05-28 13:45 X_Open Source
VLAI
Title
GPAC MP4Box media.c Media_GetSample memory leak
Summary
A security vulnerability has been detected in GPAC up to 2.4.0. Affected by this issue is the function Media_GetSample of the file src/isomedia/media.c of the component MP4Box. Such manipulation of the argument cat leads to memory leak. The attack can only be performed from a local environment. The exploit has been disclosed publicly and may be used. The name of the patch is e79c5cbe8b3fed27f4854ec229457d30c96206f1. It is best practice to apply a patch to resolve this issue.
Severity
4.8 (Medium)
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
3.3 (Low)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
3.3 (Low)
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-28 13:45 UTC
CWE
Assigner
VulDB CNA under the mitre root
CNA scorecard B 82/100 over 3935 records in the last 180 days details
References
Impacted products
Vendor Product Version
n/a GPAC Affected: 2.0
Affected: 2.1
Affected: 2.2
Affected: 2.3
Affected: 2.4.0
    cpe:2.3:a:gpac:gpac:*:*:*:*:*:*:*:*
Credits
fczhang (VulDB User)
Show details on NVD website
To clipboard 

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Mitigation MIT-41
Implementation

Strategy: Libraries or Frameworks

  • Choose a language or tool that provides automatic memory management, or makes manual memory management less error-prone.
  • For example, glibc in Linux provides protection against free of invalid pointers.
  • When using Xcode to target OS X or iOS, enable automatic reference counting (ARC) [REF-391].
  • To help correctly and consistently manage memory when programming in C++, consider using a smart pointer class such as std::auto_ptr (defined by ISO/IEC ISO/IEC 14882:2003), std::shared_ptr and std::unique_ptr (specified by an upcoming revision of the C++ standard, informally referred to as C++ 1x), or equivalent solutions such as Boost.
Mitigation
Architecture and Design

Use an abstraction library to abstract away risky APIs. Not a complete solution.

Mitigation
Architecture and Design Build and Compilation

Consider using the Boehm-Demers-Weiser garbage collector (bdwgc), which can help avoid leaks.

No CAPEC attack patterns related to this CWE.

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