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
2,075 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 42
- CVE-2024-3860MEDIUMCVSS 6.2EG 6.22024-04-16
An out-of-memory condition during object initialization could result in an empty shape list. If the JIT subsequently traced the object it would crash. This vulnerability affects Firefox < 125.
- CVE-2021-47147MEDIUMCVSS 6.2EG 6.22024-03-25
In the Linux kernel, the following vulnerability has been resolved: ptp: ocp: Fix a resource leak in an error handling path If an error occurs after a successful 'pci_ioremap_bar()' call, it must be undone by a corresponding 'pci_iounmap…
- 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-2026-119955MEDIUMCVSS 6.0EG 6.02026-11-10
Uncontrolled resource consumption in Windows Hyper-V allows an authorized attacker to deny service locally.
- 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-2026-119972MEDIUMCVSS 5.9EG 5.92026-11-10
Uncontrolled resource consumption in Windows Remote Procedure Call allows an unauthorized attacker to deny service over a network.
- CVE-2026-119909MEDIUMCVSS 5.9EG 5.92026-11-10
Uncontrolled resource consumption in Windows Internet Information Services allows an unauthorized attacker to deny service over a network.
- 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-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-2026-90589MEDIUMCVSS 5.5EG 5.52026-11-09
When CONFIG_THREAD_STACK_MEM_MAPPED is enabled, each thread stack is mapped into the kernel virtual address space with a guard page on either side, and the mapping is released during abort cleanup. k_thread_abort_cleanup() in kernel/thread…
- CVE-2026-125240MEDIUMCVSS 5.5EG 5.52026-11-09
FFmpeg through 9.0.2 contains a resource leak vulnerability in svt_jpegxs_dec_decode() in libsvtjpegxsdec.c that leaks decoder instances when ff_set_dimensions() rejects frame dimensions. Attackers can supply a crafted JPEG XS stream, for …
- CVE-2026-125200MEDIUMCVSS 5.5EG 5.52026-11-09
FFmpeg through 9.0.2 contains a memory leak vulnerability in libavcodec/libx265.c because libx265_encode_frame() never frees the rpu.payload allocated by ff_dovi_rpu_generate(). Attackers can supply crafted Dolby Vision HEVC or AV1 files t…
- CVE-2026-125199MEDIUMCVSS 5.5EG 5.52026-11-09
FFmpeg through 9.0.2 contains a memory leak vulnerability in vc1_decode_frame() in libavcodec/vc1dec.c that leaks slice buffers when init_get_bits8() fails. Attackers can supply crafted files with repeated oversized VC-1 slices exceeding t…
- CVE-2026-125173MEDIUMCVSS 5.5EG 5.52026-11-09
FFmpeg through 9.0.2 contains a memory leak vulnerability in libxevd_receive_frame() in libavcodec/libxevd.c that fails to free pkt_au when an access unit produces no picture. Attackers can supply a crafted EVC stream with many access unit…
- 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
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