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
1,959 active CVEs classified under this weakness category. Sourced from NVD, GHSA, and vendor advisories. Full definition on MITRE →
CVEs classified under CWE-401page 12 of 40
- CVE-2021-30002MEDIUMCVSS 6.2EG 6.22021-04-02
An issue was discovered in the Linux kernel before 5.11.3 when a webcam device exists. video_usercopy in drivers/media/v4l2-core/v4l2-ioctl.c has a memory leak for large arguments, aka CID-fb18802a338b.
- CVE-2023-20251MEDIUMCVSS 6.1EG 6.12023-09-27
A vulnerability in the memory buffer of Cisco Wireless LAN Controller (WLC) AireOS Software could allow an unauthenticated, adjacent attacker to cause memory leaks that could eventually lead to a device reboot. This vulnerability is due…
- CVE-2019-3837MEDIUMCVSS 6.1EG 6.12019-04-11
It was found that the net_dma code in tcp_recvmsg() in the 2.6.32 kernel as shipped in RHEL6 is thread-unsafe. So an unprivileged multi-threaded userspace application calling recvmsg() for the same network socket in parallel executed on io…
- CVE-2023-7192MEDIUMCVSS 4.4EG 6.12024-01-02
A memory leak problem was found in ctnetlink_create_conntrack in net/netfilter/nf_conntrack_netlink.c in the Linux Kernel. This issue may allow a local attacker with CAP_NET_ADMIN privileges to cause a denial of service (DoS) attack due to…
- CVE-2022-29515MEDIUMCVSS 6.0EG 6.02022-11-11
Missing release of memory after effective lifetime in firmware for Intel(R) SPS before versions SPS_E3_06.00.03.035.0 may allow a privileged user to potentially enable denial of service via local access.
- CVE-2022-35894MEDIUMCVSS 6.0EG 6.02022-09-22
An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. The SMI handler for the FwBlockServiceSmm driver uses an untrusted pointer as the location to copy data to an attacker-specified buffer, leading to information disclo…
- CVE-2016-10155MEDIUMCVSS 6.0EG 6.02017-03-15
Memory leak in hw/watchdog/wdt_i6300esb.c in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (host memory consumption and QEMU process crash) via a large number of device unplug operations.
- CVE-2026-59295MEDIUMCVSS 5.9EG 5.92026-08-24
It is possible for outbound HTTP requests using a Micrometer-instrumented client to cause a denial-of-service (DoS) condition due to an unbounded memory leak. Micrometer 1.17.0 Micrometer 1.16.0 - 1.16.6 Micrometer 1.15.0 - 1.15.12 Microme…
- CVE-2026-41840MEDIUMCVSS 5.9EG 5.92026-06-09
Spring WebFlux applications are vulnerable to Denial of Service (DoS) attacks when processing multipart requests. Affected versions: Spring Framework 7.0.0 through 7.0.7, 6.2.0 through 6.2.18, 6.1.0 through 6.1.27, 5.3.0 through 5.3.48.
- CVE-2026-34052MEDIUMCVSS 5.9EG 5.92026-04-03
LTI JupyterHub Authenticator is a JupyterHub authenticator for LTI. Prior to version 1.6.3, the LTI 1.1 validator stores OAuth nonces in a class-level dictionary that grows without bounds. Nonces are added before signature validation, so a…
- CVE-2024-4435MEDIUMCVSS 5.9EG 5.92024-05-21
When storing unbounded types in a BTreeMap, a node is represented as a linked list of "memory chunks". It was discovered recently that when we deallocate a node, in some cases only the first memory chunk is deallocated, and the rest of the…
- 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-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-2026-20015MEDIUMCVSS 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-2026-69405MEDIUMCVSS 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-2026-47566MEDIUMCVSS 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-2026-98131MEDIUMCVSS 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-2026-98082MEDIUMCVSS 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()…
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