CWE-457— Use of Uninitialized Variable
The code uses a variable that has not been initialized, leading to unpredictable or unintended results.— MITRE CWE catalog
283 active CVEs classified under this weakness category. Sourced from NVD, GHSA, and vendor advisories. Full definition on MITRE →
CVEs classified under CWE-457page 1 of 6
- CVE-2025-5777CRITICALCVSS 7.5EG 9.0⚠ KEV2025-06-17
Insufficient input validation leading to memory overread when the NetScaler is configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) OR AAA virtual server
- CVE-2026-72020CRITICALCVSS 9.8EG 9.82026-08-15
In the Linux kernel, the following vulnerability has been resolved: ipvs: reset full ip_vs_seq structs in ip_vs_conn_new Commit 9a05475cebdd ("ipvs: avoid kmem_cache_zalloc in ip_vs_conn_new") changed ip_vs_conn_new() to allocate an ip_v…
- CVE-2026-52931CRITICALCVSS 9.8EG 9.82026-06-24
In the Linux kernel, the following vulnerability has been resolved: batman-adv: tp_meter: avoid use of uninit sender vars batadv_tp_recv_ack() and batadv_tp_stop() are only valid for tp_vars in the BATADV_TP_SENDER role. When called with…
- CVE-2026-6748CRITICALCVSS 9.8EG 9.82026-04-21
Uninitialized memory in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.
- CVE-2025-54874CRITICALCVSS 9.8EG 9.82025-08-05
OpenJPEG is an open-source JPEG 2000 codec. In OpenJPEG from 2.5.1 through 2.5.3, a call to opj_jp2_read_header may lead to OOB heap memory write when the data stream p_stream is too short and p_image is not initialized.
- CVE-2025-53644CRITICALCVSS 9.8EG 9.82025-07-17
OpenCV is an Open Source Computer Vision Library. Versions 4.10.0 and 4.11.0 have an uninitialized pointer variable on stack that may lead to arbitrary heap buffer write when reading crafted JPEG images. Version 4.12.0 fixes the vulnerabil…
- CVE-2024-47540CRITICALCVSS 9.8EG 9.82024-12-12
GStreamer is a library for constructing graphs of media-handling components. An uninitialized stack variable vulnerability has been identified in the gst_matroska_demux_add_wvpk_header function within matroska-demux.c. When size < 4, the p…
- CVE-2024-10934CRITICALCVSS 9.8EG 9.82024-11-15
In OpenBSD 7.5 before errata 008 and OpenBSD 7.4 before errata 021, avoid possible mbuf double free in NFS client and server implementation, do not use uninitialized variable in error handling of NFS server.
- CVE-2024-32611CRITICALCVSS 9.8EG 9.82024-05-14
HDF5 Library through 1.14.3 may use an uninitialized value in H5A__attr_release_table in H5Aint.c.
- CVE-2022-40510CRITICALCVSS 9.8EG 9.82023-08-08
Memory corruption due to buffer copy without checking size of input in Audio while voice call with EVS vocoder.
- CVE-2022-21217CRITICALCVSS 9.8EG 9.82022-01-28
An out-of-bounds write vulnerability exists in the device TestEmail functionality of reolink RLC-410W v3.0.0.136_20121102. A specially-crafted network request can lead to an out-of-bounds write. An attacker can send an HTTP request to trig…
- CVE-2021-40418CRITICALCVSS 9.8EG 9.82021-12-22
When parsing a file that is submitted to the DPDecoder service as a job, the R3D SDK will mistakenly skip over the assignment of a property containing an object referring to a UUID that was parsed from a frame within the video container. U…
- CVE-2026-78935CRITICALCVSS 9.6EG 9.62026-08-25
Use of uninitialized variable in Mobile in Google Chrome on on iOS prior to 152.0.7977.65 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical)
- CVE-2026-14405CRITICALCVSS 9.6EG 9.62026-07-02
Uninitialized Use in V8 in Google Chrome prior to 150.0.7871.46 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: Low)
- CVE-2026-18397CRITICALCVSS 9.4EG 9.42026-10-01
This vulnerability enables unauthenticated remote code execution (RCE) on a victim's machine by exploiting a combination of cryptographic weaknesses and memory management issues in the SConnect native host component. The attack leverages …
- CVE-2026-84639CRITICALCVSS 9.1EG 9.12026-09-01
Triggering an error condition in certain MIME bodies would cause uninitialized memory to be used. This vulnerability was fixed in Thunderbird 155, Thunderbird 140.15, and Thunderbird 153.2.
- CVE-2026-2806CRITICALCVSS 9.1EG 9.12026-02-24
Uninitialized memory in the Graphics: Text component. This vulnerability was fixed in Firefox 148 and Thunderbird 148.
- CVE-2026-94018HIGHCVSS 8.8EG 8.82026-10-20
The Web add-on's HTTP server dereferences and releases an uninitialized pointer when it detects a `Content-Length` underflow while processing a `PUT` request. The condition is reachable by an unauthenticated remote client with a single mal…
- CVE-2026-55280HIGHCVSS 8.8EG 8.82026-10-05
In multiple locations, there is a possible out-of-bounds write due to uninitialized data. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
- CVE-2026-92052HIGHCVSS 8.8EG 8.82026-09-15
Privilege escalation due to uninitialized memory in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3.
- CVE-2026-53374HIGHCVSS 8.8EG 8.82026-07-19
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: zero-initialize GART table on allocation GART TLB is flushed after unmapping but not after mapping. Since amdgpu_bo_create_kernel() does not zero-initialize …
- CVE-2026-15132HIGHCVSS 8.8EG 8.82026-07-08
Uninitialized Use in V8 in Google Chrome prior to 150.0.7871.115 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)
- CVE-2026-13825HIGHCVSS 8.8EG 8.82026-06-30
Uninitialized Use in Dawn in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)
- CVE-2026-31435HIGHCVSS 8.8EG 8.82026-04-22
In the Linux kernel, the following vulnerability has been resolved: netfs: Fix read abandonment during retry Under certain circumstances, all the remaining subrequests from a read request will get abandoned during retry. The abandonment…
- CVE-2025-5749HIGHCVSS 8.8EG 8.82025-06-06
WOLFBOX Level 2 EV Charger BLE Encryption Keys Uninitialized Variable Authentication Bypass Vulnerability. This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of WOLFBOX Level 2 EV Charge…
- CVE-2024-6990HIGHCVSS 8.8EG 8.82024-08-01
Uninitialized Use in Dawn in Google Chrome on Android prior to 127.0.6533.88 allowed a remote attacker to potentially perform out of bounds memory access via a crafted HTML page. (Chromium security severity: Critical)
- CVE-2023-31275HIGHCVSS 8.8EG 8.82023-11-27
An uninitialized pointer use vulnerability exists in the functionality of WPS Office 11.2.0.11537 that handles Data elements in an Excel file. A specially crafted malformed file can lead to remote code execution. An attacker can provide a …
- CVE-2009-0901HIGHCVSS 8.8EG 8.82009-07-29
The Active Template Library (ATL) in Microsoft Visual Studio .NET 2003 SP1, Visual Studio 2005 SP1 and 2008 Gold, and Visual C++ 2005 SP1 and 2008 Gold and SP1; and Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP2, Vista Gold, SP1, and SP…
- CVE-2024-23159HIGHCVSS 7.8EG 8.82024-06-25
A maliciously crafted STP file, when parsed in stp_aim_x64_vc15d.dll through Autodesk applications, can be used to uninitialized variables. This vulnerability, along with other vulnerabilities, can lead to code execution in the current pro…
- CVE-2024-7022HIGHCVSS 4.3EG 8.82024-09-23
Uninitialized Use in V8 in Google Chrome prior to 123.0.6312.58 allowed a remote attacker to perform out of bounds memory access via a crafted HTML page. (Chromium security severity: Medium)
- CVE-2026-66859HIGHCVSS 8.7EG 8.72026-10-02
NULL Pointer Dereference, Use of Uninitialized Variable vulnerability in Apache Thrift c_glib bindings. This issue affects Apache Thrift: before 0.25.0. Users are recommended to upgrade to version 0.25.0, which fixes the issue.
- CVE-2026-43139HIGHCVSS 8.6EG 8.62026-05-06
In the Linux kernel, the following vulnerability has been resolved: xfrm6: fix uninitialized saddr in xfrm6_get_saddr() xfrm6_get_saddr() does not check the return value of ipv6_dev_get_saddr(). When ipv6_dev_get_saddr() fails to find a …
- CVE-2025-20271HIGHCVSS 8.6EG 8.62025-06-18
A vulnerability in the Cisco AnyConnect VPN server of Cisco Meraki MX and Cisco Meraki Z Series Teleworker Gateway devices could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition in the Cisco AnyConnect…
- CVE-2020-27124HIGHCVSS 8.6EG 8.62024-11-18
A vulnerability in the SSL/TLS handler of Cisco Adaptive Security Appliance (ASA) Software could allow an unauthenticated, remote attacker to cause the affected device to reload unexpectedly, leading to a denial of service (DoS) condi…
- CVE-2024-33021HIGHCVSS 8.4EG 8.42024-08-05
Memory corruption while processing IOCTL call to set metainfo.
- CVE-2026-14413HIGHCVSS 8.3EG 8.32026-07-02
Uninitialized Use in ANGLE in Google Chrome prior to 150.0.7871.46 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)
- CVE-2026-10960HIGHCVSS 8.3EG 8.32026-06-04
Uninitialized Use in Codecs in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)
- CVE-2026-9972HIGHCVSS 8.3EG 8.32026-05-28
Uninitialized Use in Gamepad in Google Chrome on Mac prior to 148.0.7778.216 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: H…
- CVE-2026-6311HIGHCVSS 8.3EG 8.32026-04-15
Uninitialized Use in Accessibility in Google Chrome on Windows prior to 147.0.7727.101 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security s…
- CVE-2026-68907HIGHCVSS 8.2EG 8.22026-10-16
libIEC61850 is an open-source implementation of IEC 61850 client and server protocols including MMS, GOOSE, Sampled Values, and R-Session. Prior to 1.6.2, checkDataSetAccess reverses the source and destination arguments to StringUtils_copy…
- CVE-2026-34608HIGHCVSS 8.2EG 8.22026-04-02
NanoMQ MQTT Broker (NanoMQ) is an all-around Edge Messaging Platform. Prior to version 0.24.10, in NanoMQ's webhook_inproc.c, the hook_work_cb() function processes nng messages by parsing the message body with cJSON_Parse(body). The body i…
- CVE-2024-7868HIGHCVSS 8.2EG 8.22024-08-15
In Xpdf 4.05 (and earlier), invalid header info in a DCT (JPEG) stream can lead to an uninitialized variable in the DCT decoder. The proof-of-concept PDF file causes a segfault attempting to read from an invalid address.
- CVE-2026-100759HIGHCVSS 8.1EG 8.12026-09-29
Uninitialized memory in the Storage: Quota Manager component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.
- CVE-2026-16141HIGHCVSS 8.1EG 8.12026-09-15
OpenBMC's IPMI implementation, phosphor-net-ipmid, contains a logic flaw in which an unauthenticated client can force the RAKP Message 1 handler to return before it overwrites the authentication object's constructor defaults. The IPMI serv…
- CVE-2025-65295HIGHCVSS 8.1EG 8.12025-12-10
Multiple vulnerabilities in Aqara Hub firmware update process in the Camera Hub G3 4.1.9_0027, Hub M2 4.3.6_0027, and Hub M3 4.3.6_0025 devices, allow attackers to install malicious firmware without proper verification. The device fails to…
- CVE-2023-6324HIGHCVSS 8.1EG 8.12024-05-15
ThroughTek Kalay SDK uses a predictable PSK value in the DTLS session when encountering an unexpected PSK identity
- CVE-2026-43408HIGHCVSS 7.8EG 7.82026-05-08
In the Linux kernel, the following vulnerability has been resolved: ceph: add a bunch of missing ceph_path_info initializers ceph_mdsc_build_path() must be called with a zero-initialized ceph_path_info parameter, or else the following ce…
- CVE-2026-43303HIGHCVSS 7.8EG 7.82026-05-08
In the Linux kernel, the following vulnerability has been resolved: mm/page_alloc: clear page->private in free_pages_prepare() Several subsystems (slub, shmem, ttm, etc.) use page->private but don't clear it before freeing pages. When t…
- CVE-2026-23317HIGHCVSS 7.8EG 7.82026-03-25
In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Return the correct value in vmw_translate_ptr functions Before the referenced fixes these functions used a lookup function that returned a pointer. This was …
- CVE-2026-1333HIGHCVSS 7.8EG 7.82026-02-16
A Use of Uninitialized Variable vulnerability affecting the EPRT file reading procedure in SOLIDWORKS eDrawings from Release SOLIDWORKS Desktop 2025 through Release SOLIDWORKS Desktop 2026 could allow an attacker to execute arbitrary code …
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