CWE-401— Missing Release of Memory after Effective Lifetime (Memory Leak)
The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.— MITRE CWE catalog
2,038 active CVEs classified under this weakness category. Sourced from NVD, GHSA, and vendor advisories. Full definition on MITRE →
CVEs classified under CWE-401page 13 of 41
- CVE-2022-4132MEDIUMCVSS 5.9EG 5.92023-10-04
A flaw was found in JSS. A memory leak in JSS requires non-standard configuration but is a low-effort DoS vector if configured that way (repeatedly hitting the login page).
- CVE-2020-27822MEDIUMCVSS 5.9EG 5.92020-12-08
A flaw was found in Wildfly affecting versions 19.0.0.Final, 19.1.0.Final, 20.0.0.Final, 20.0.1.Final, and 21.0.0.Final. When an application uses the OpenTracing API's java-interceptors, there is a possibility of a memory leak. This flaw a…
- CVE-2019-19081MEDIUMCVSS 5.9EG 5.92019-11-18
A memory leak in the nfp_flower_spawn_vnic_reprs() function in drivers/net/ethernet/netronome/nfp/flower/main.c in the Linux kernel before 5.3.4 allows attackers to cause a denial of service (memory consumption), aka CID-8ce39eb5a67a.
- CVE-2019-19080MEDIUMCVSS 5.9EG 5.92019-11-18
Four memory leaks in the nfp_flower_spawn_phy_reprs() function in drivers/net/ethernet/netronome/nfp/flower/main.c in the Linux kernel before 5.3.4 allow attackers to cause a denial of service (memory consumption), aka CID-8572cea1461a.
- CVE-2019-19076MEDIUMCVSS 5.9EG 5.92019-11-18
A memory leak in the nfp_abm_u32_knode_replace() function in drivers/net/ethernet/netronome/nfp/abm/cls.c in the Linux kernel before 5.3.6 allows attackers to cause a denial of service (memory consumption), aka CID-78beef629fd9. NOTE: This…
- CVE-2019-5023MEDIUMCVSS 5.9EG 5.92019-10-31
An exploitable vulnerability exists in the grsecurity PaX patch for the function read_kmem, in PaX from version pax-linux-4.9.8-test1 to 4.9.24-test7, grsecurity official from version grsecurity-3.1-4.9.8-201702060653 to grsecurity-3.1-4.9…
- CVE-2019-6608MEDIUMCVSS 5.9EG 5.92019-03-28
On BIG-IP 11.5.1-11.6.3, 12.1.0-12.1.3, 13.0.0-13.1.1.1, and 14.0.0-14.0.0.2, under certain conditions, the snmpd daemon may leak memory on a multi-blade BIG-IP vCMP guest when processing authorized SNMP requests.
- CVE-2018-1000808MEDIUMCVSS 5.9EG 5.92018-10-08
Python Cryptographic Authority pyopenssl version Before 17.5.0 contains a CWE - 401 : Failure to Release Memory Before Removing Last Reference vulnerability in PKCS #12 Store that can result in Denial of service if memory runs low or is ex…
- CVE-2017-15094MEDIUMCVSS 5.9EG 5.92018-01-23
An issue has been found in the DNSSEC parsing code of PowerDNS Recursor from 4.0.0 up to and including 4.0.6 leading to a memory leak when parsing specially crafted DNSSEC ECDSA keys. These keys are only parsed when validation is enabled b…
- CVE-2026-76489MEDIUMCVSS 5.8EG 5.82026-10-21
Multiple Cisco products are affected by a vulnerability in the memory management implementation of Snort 3 that could allow an unauthenticated, remote attacker to cause the Snort 3 Detection Engine to restart, resulting in an interruption …
- CVE-2026-20015MEDIUMCVSS 5.8EG 5.82026-03-04
A vulnerability in the IKEv2 feature of Cisco Secure Firewall ASA Software and Cisco Secure FTD Software could allow an unauthenticated, remote attacker to cause a DoS condition on an affected device that may impact the availability of ser…
- CVE-2026-20013MEDIUMCVSS 5.8EG 5.82026-03-04
A vulnerability in the IKEv2 feature of Cisco Secure Firewall ASA Software and Cisco Secure FTD Software could allow an unauthenticated, remote attacker to cause a DoS condition on an affected device that may also impact the availability o…
- CVE-2025-20254MEDIUMCVSS 5.8EG 5.82025-08-14
A vulnerability in the Internet Key Exchange Version 2 (IKEv2) module of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to …
- CVE-2025-20252MEDIUMCVSS 5.8EG 5.82025-08-14
A vulnerability in the Internet Key Exchange Version 2 (IKEv2) module of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to …
- CVE-2025-20225MEDIUMCVSS 5.8EG 5.82025-08-14
A vulnerability in the Internet Key Exchange Version 2 (IKEv2) feature of Cisco IOS Software, IOS XE Software, Secure Firewall Adaptive Security Appliance (ASA) Software, and Secure Firewall Threat Defense (FTD) Software could allow an una…
- CVE-2025-20224MEDIUMCVSS 5.8EG 5.82025-08-14
A vulnerability in the Internet Key Exchange Version 2 (IKEv2) module of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to …
- CVE-2023-3592MEDIUMCVSS 5.8EG 5.82023-10-02
In Mosquitto before 2.0.16, a memory leak occurs when clients send v5 CONNECT packets with a will message that contains invalid property types.
- CVE-2021-1229MEDIUMCVSS 5.8EG 5.82021-02-24
A vulnerability in ICMP Version 6 (ICMPv6) processing in Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause a slow system memory leak, which over time could lead to a denial of service (DoS) condition. This vulne…
- CVE-2021-1353MEDIUMCVSS 5.8EG 5.82021-01-20
A vulnerability in the IPv4 protocol handling of Cisco StarOS could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to a memory leak that occurs during …
- CVE-2020-11637MEDIUMCVSS 5.8EG 5.82020-10-15
A memory leak in the TFTP service in B&R Automation Runtime versions <N4.26, <N4.34, <F4.45, <E4.53, <D4.63, <A4.73 and prior could allow an unauthenticated attacker with network access to cause a denial of service (DoS) condition.
- CVE-2026-77684MEDIUMCVSS 5.7EG 5.72026-10-19
The Bluetooth Classic Hands-Free Profile HF role in subsys/bluetooth/host/classic/hfp_hf.c does not release the AT command buffers that are still queued on hf->tx_pending when the RFCOMM DLC goes down. hfp_hf_disconnected() only cancelled …
- CVE-2026-69405MEDIUMCVSS 5.7EG 5.72026-09-08
Missing release of memory after effective lifetime in Windows DHCP Server allows an authorized attacker to deny service over an adjacent network.
- CVE-2022-23471MEDIUMCVSS 5.7EG 5.72022-12-07
containerd is an open source container runtime. A bug was found in containerd's CRI implementation where a user can exhaust memory on the host. In the CRI stream server, a goroutine is launched to handle terminal resize events if a TTY is …
- CVE-2022-3533MEDIUMCVSS 3.5EG 5.72022-10-17
A vulnerability was found in Linux Kernel. It has been rated as problematic. This issue affects the function parse_usdt_arg of the file tools/lib/bpf/usdt.c of the component BPF. The manipulation of the argument reg_name leads to memory le…
- CVE-2025-25566MEDIUMCVSS 5.6EG 5.62025-03-12
Memory Leak vulnerability in SoftEtherVPN 5.02.5187 allows an attacker to cause a denial of service via the UnixMemoryAlloc function. NOTE: the Supplier disputes this because the behavior is limited to a single allocation of a few hundred …
- CVE-2026-116158MEDIUMCVSS 5.5EG 5.52026-10-25
ImageMagick before 7.1.2-33 contains a memory leak vulnerability in the magick compare command caused by missing cleanup when an operation fails. Attackers can supply inputs that trigger repeated failed compare operations to exhaust memory…
- CVE-2026-47566MEDIUMCVSS 5.5EG 5.52026-09-30
NVIDIA GPU Display Driver for Linux contains a vulnerability in the kernel mode layer where an unprivileged user could cause a memory leak in error paths leading to kernel memory exhaustion. A successful exploit of this vulnerability might…
- CVE-2026-95395MEDIUMCVSS 5.5EG 5.52026-09-29
IEEE C37.118 Synchrophasor protocol dissector memory leak in 4.6.0 to 4.6.8 and 4.4.0 to 4.4.18 allows denial of service
- CVE-2026-102006MEDIUMCVSS 5.5EG 5.52026-09-28
In Wind River VxWorks 7 prior to 26.09, specific system call arguments can result in the process management subsystem failing to properly release allocated kernel memory before terminating the calling application. Fixed in Version 26.09
- CVE-2026-102005MEDIUMCVSS 5.5EG 5.52026-09-28
Wind River VxWorks 7 24.03 through 26.03, a memory leak occurs under specific, non-default configuration states when processing specific service routines, causing the system to terminate operations before releasing allocated memory pools. …
- CVE-2026-98162MEDIUMCVSS 5.5EG 5.52026-09-25
In the Linux kernel, the following vulnerability has been resolved: smb/server: fix tree connection leak in smb2_tree_connect() See the procedure below: smb2_tree_connect ksmbd_tree_conn_connect xa_store(&sess->tree_conns, t…
- CVE-2026-100076MEDIUMCVSS 5.5EG 5.52026-09-25
In the Linux kernel, the following vulnerability has been resolved: staging: rtl8723bs: fix xmit_frame/xmit_buf leaks on mgnt-frame error paths issue_beacon(), issue_probersp() and issue_asocrsp() obtain a management xmit_frame together …
- CVE-2026-98152MEDIUMCVSS 5.5EG 5.52026-09-25
In the Linux kernel, the following vulnerability has been resolved: nvmet-rdma: fix queue leak when connect backlog is exceeded When pending disconnecting queues exceed the backlog limit, the connect path only drops the device reference …
- CVE-2026-98144MEDIUMCVSS 5.5EG 5.52026-09-25
In the Linux kernel, the following vulnerability has been resolved: accel/amdxdna: put the chained BO when its mapping fails amdxdna_cmd_set_error() looks up the first BO of a command chain, which takes a reference, and drops it at the e…
- CVE-2026-98140MEDIUMCVSS 5.5EG 5.52026-09-25
In the Linux kernel, the following vulnerability has been resolved: ntfs: fix kmap_local leak in write_mft_record_nolock() error paths write_mft_record_nolock() maps the MFT record folio with kmap_local_folio(), but the pre_write_mst_fix…
- CVE-2026-98131MEDIUMCVSS 5.5EG 5.52026-09-25
In the Linux kernel, the following vulnerability has been resolved: net: stmmac: fix dma mapping leak in stmmac_tso_xmit() In stmmac_tso_xmit(), if the DMA mapping of an skb fragment fails, the frame is dropped but the DMA mappings alrea…
- CVE-2026-98128MEDIUMCVSS 5.5EG 5.52026-09-25
In the Linux kernel, the following vulnerability has been resolved: scsi: mpi3mr: Fix target device refcount leak in mpi3mr_sas_port_add() mpi3mr_get_tgtdev_by_addr() increments the target device kref when it returns a device. If a subse…
- CVE-2026-98120MEDIUMCVSS 5.5EG 5.52026-09-25
In the Linux kernel, the following vulnerability has been resolved: netfs: Fix subreq ref leak Fix a subrequest ref leak in netfs_unbuffered_write() in the event that subreq->io_iter ends up zero length during preparation.
- CVE-2026-98092MEDIUMCVSS 5.5EG 5.52026-09-25
In the Linux kernel, the following vulnerability has been resolved: ASoC: amd: yc: fix memory leak in acp6x_pdm_dma_close() acp6x_pdm_dma_close() does not free the runtime->private_data buffer allocated in acp6x_pdm_dma_open(). Add the m…
- CVE-2026-98082MEDIUMCVSS 5.5EG 5.52026-09-25
In the Linux kernel, the following vulnerability has been resolved: btrfs: fix the possible bioc_list memory leak during error There are two possible ways to leak bioc memory on btrfs_ordered_extent::bioc_list: - An error occurred for b…
- CVE-2026-64356MEDIUMCVSS 5.5EG 5.52026-07-25
In the Linux kernel, the following vulnerability has been resolved: xfs: fix memory leak in xfs_dqinode_metadir_create() If xfs_metadir_create() fails in xfs_dqinode_metadir_create(), the current code returns directly, leaking the alloca…
- CVE-2026-64350MEDIUMCVSS 5.5EG 5.52026-07-25
In the Linux kernel, the following vulnerability has been resolved: usb: cdnsp: fix stream context array leak in cdnsp_alloc_stream_info() cdnsp_alloc_stream_info() allocates stream_info->stream_ctx_array with cdnsp_alloc_stream_ctx(). I…
- CVE-2026-64336MEDIUMCVSS 5.5EG 5.52026-07-25
In the Linux kernel, the following vulnerability has been resolved: USB: serial: keyspan_pda: fix information leak The write() callback is supposed to return the number of characters accepted or a negative errno. Since the addition of wr…
- CVE-2026-64332MEDIUMCVSS 5.5EG 5.52026-07-25
In the Linux kernel, the following vulnerability has been resolved: USB: ulpi: fix memory leak on registration failure The allocated device name is never freed on early ULPI device registration failures. Fix this by initialising the dev…
- CVE-2026-64328MEDIUMCVSS 5.5EG 5.52026-07-25
In the Linux kernel, the following vulnerability has been resolved: usb: gadget: f_fs: Fix DMA fence leak In ffs_dmabuf_transfer(), a ffs_dma_fence object is kmalloc'd, with the underlying dma_fence later initialized by dma_fence_init(),…
- CVE-2026-64292MEDIUMCVSS 5.5EG 5.52026-07-25
In the Linux kernel, the following vulnerability has been resolved: iommufd: Move vevent memory allocation outside spinlock The veventq memory allocation happens inside the spinlock. Given its depth is decided by the user space, this lea…
- CVE-2026-64241MEDIUMCVSS 5.5EG 5.52026-07-24
In the Linux kernel, the following vulnerability has been resolved: gpio: rockchip: teardown bugs and resource leaks Address several teardown issues and resource leaks in the driver's remove path and error handling: 1. Debounce clock re…
- CVE-2026-64179MEDIUMCVSS 5.5EG 5.52026-07-19
In the Linux kernel, the following vulnerability has been resolved: net: wwan: iosm: fix potential memory leaks in ipc_imem_init() The memory allocated in ipc_protocol_init() is not freed on the error paths that follow in ipc_imem_init()…
- CVE-2026-64161MEDIUMCVSS 5.5EG 5.52026-07-19
In the Linux kernel, the following vulnerability has been resolved: net: ti: icssm-prueth: fix eth_ports_node leak in probe The error path on of_property_read_u32() failure inside icssm_prueth_probe() returns without putting eth_ports_no…
- CVE-2026-64155MEDIUMCVSS 5.5EG 5.52026-07-19
In the Linux kernel, the following vulnerability has been resolved: wifi: ath11k: fix error path leaks in some WMI WOW calls Fix two instances where we used to directly return the result of ath11k_wmi_cmd_send(...). Because we did not ch…
Map vulnerabilities like CWE-401 to your infrastructure
EchelonGraph correlates every CVE — across CWE-401 and 150+ other weakness categories — against the assets you actually run. See blast radius, fix versions, and remediation steps in one graph.
Book a Demo →