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
290 active CVEs classified under this weakness category. Sourced from NVD, GHSA, and vendor advisories. Full definition on MITRE →
CVEs classified under CWE-457page 4 of 6
- CVE-2026-13943MEDIUMCVSS 6.5EG 6.52026-06-30
Uninitialized Use in CSS in Google Chrome on Android prior to 150.0.7871.47 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security severity: Medium)
- CVE-2026-13940MEDIUMCVSS 6.5EG 6.52026-06-30
Uninitialized Use in Cast in Google Chrome prior to 150.0.7871.47 allowed an attacker on the local network segment to obtain potentially sensitive information from process memory via malicious network traffic. (Chromium security severity: …
- CVE-2026-13923MEDIUMCVSS 6.5EG 6.52026-06-30
Uninitialized Use in GPU in Google Chrome on Android prior to 150.0.7871.47 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security severity: Medium)
- CVE-2026-13833MEDIUMCVSS 6.5EG 6.52026-06-30
Uninitialized Use in ANGLE in Google Chrome on Mac prior to 150.0.7871.47 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: High)
- CVE-2026-9754MEDIUMCVSS 6.5EG 6.52026-06-09
An authenticated user with the read role may read limited amounts of uninitialized stack memory via specially-crafted issuances of the filemd5 command
- CVE-2026-11268MEDIUMCVSS 6.5EG 6.52026-06-04
Uninitialized Use in ANGLE in Google Chrome on Windows prior to 149.0.7827.53 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Low)
- CVE-2026-11141MEDIUMCVSS 6.5EG 6.52026-06-04
Uninitialized Use in Audio in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium securi…
- CVE-2026-11138MEDIUMCVSS 6.5EG 6.52026-06-04
Uninitialized Use in ANGLE in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)
- CVE-2026-11137MEDIUMCVSS 6.5EG 6.52026-06-04
Uninitialized Use in ANGLE in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security severity: Medium)
- CVE-2026-11123MEDIUMCVSS 6.5EG 6.52026-06-04
Uninitialized Use in ANGLE in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security severity: Medium)
- CVE-2026-11110MEDIUMCVSS 6.5EG 6.52026-06-04
Uninitialized Use in ANGLE in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)
- CVE-2026-11109MEDIUMCVSS 6.5EG 6.52026-06-04
Uninitialized Use in ANGLE in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)
- CVE-2026-11104MEDIUMCVSS 6.5EG 6.52026-06-04
Uninitialized Use in ANGLE in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium securi…
- CVE-2026-11101MEDIUMCVSS 6.5EG 6.52026-06-04
Uninitialized Use in Dawn in Google Chrome on Windows prior to 149.0.7827.53 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)
- CVE-2026-11090MEDIUMCVSS 6.5EG 6.52026-06-04
Uninitialized Use in ANGLE in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)
- CVE-2026-11089MEDIUMCVSS 6.5EG 6.52026-06-04
Uninitialized Use in Media in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium securi…
- CVE-2026-11087MEDIUMCVSS 6.5EG 6.52026-06-04
Uninitialized Use in ANGLE in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)
- CVE-2026-11067MEDIUMCVSS 6.5EG 6.52026-06-04
Uninitialized Use in Dawn in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security severity: Medium)
- CVE-2026-11064MEDIUMCVSS 6.5EG 6.52026-06-04
Race in GPU in Google Chrome on Android prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)
- CVE-2026-11057MEDIUMCVSS 6.5EG 6.52026-06-04
Uninitialized Use in Skia in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium securit…
- CVE-2026-11039MEDIUMCVSS 6.5EG 6.52026-06-04
Uninitialized Use in Skia in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)
- CVE-2026-11033MEDIUMCVSS 6.5EG 6.52026-06-04
Uninitialized Use in WebML in Google Chrome on Mac prior to 149.0.7827.53 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security severity: Medium)
- CVE-2026-10994MEDIUMCVSS 6.5EG 6.52026-06-04
Uninitialized Use in ANGLE in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security severity: Medium)
- CVE-2026-10977MEDIUMCVSS 6.5EG 6.52026-06-04
Uninitialized Use in Skia in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to leak cross-origin data via a crafted HTML page. (Chromium security severity: High)
- CVE-2026-26824MEDIUMCVSS 6.5EG 6.52026-06-03
libxls through version 1.6.3 contains a use of uninitialized memory vulnerability in the OLE container parser. Memory allocated for the Master Sector Allocation Table (MSAT) in read_MSAT() is not fully initialized before being consumed by …
- CVE-2026-10008MEDIUMCVSS 6.5EG 6.52026-05-28
Uninitialized Use in GPU in Google Chrome on Android prior to 148.0.7778.216 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security severity: High)
- CVE-2026-9917MEDIUMCVSS 6.5EG 6.52026-05-28
Uninitialized Use in WebGL in Google Chrome on Android prior to 148.0.7778.216 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security severity: High)
- CVE-2026-7982MEDIUMCVSS 6.5EG 6.52026-05-06
Uninitialized Use in WebCodecs in Google Chrome prior to 148.0.7778.96 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security severity: Medium)
- CVE-2026-7924MEDIUMCVSS 6.5EG 6.52026-05-06
Uninitialized Use in Dawn in Google Chrome prior to 148.0.7778.96 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security severity: High)
- CVE-2026-5888MEDIUMCVSS 6.5EG 6.52026-04-08
Uninitialized Use in WebCodecs in Google Chrome prior to 147.0.7727.55 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security severity: Medium)
- CVE-2025-9181MEDIUMCVSS 6.5EG 6.52025-08-19
Uninitialized memory in the JavaScript Engine component. This vulnerability was fixed in Firefox 142, Firefox ESR 128.14, Firefox ESR 140.2, Thunderbird 142, Thunderbird 128.14, and Thunderbird 140.2.
- CVE-2025-8027MEDIUMCVSS 6.5EG 6.52025-07-22
On 64-bit platforms IonMonkey-JIT only wrote 32 bits of the 64-bit return value space on the stack. Baseline-JIT, however, read the entire 64 bits. This vulnerability was fixed in Firefox 141, Firefox ESR 115.26, Firefox ESR 128.13, Firefo…
- CVE-2024-9355MEDIUMCVSS 6.5EG 6.52024-10-01
A vulnerability was found in Golang FIPS OpenSSL. This flaw allows a malicious user to randomly cause an uninitialized buffer length variable with a zeroed buffer to be returned in FIPS mode. It may also be possible to force a false positi…
- CVE-2026-4147MEDIUMCVSS 4.3EG 6.52026-03-17
An authenticated user with the read role may read limited amounts of uninitialized stack memory via specially-crafted issuances of the filemd5 command.
- CVE-2026-21690MEDIUMCVSS 6.3EG 6.32026-01-07
iccDEV provides a set of libraries and tools that allow for the interaction, manipulation, and application of International Color Consortium (ICC) color management profiles. Versions prior to 2.3.1.2 have a Type Confusion vulnerability in …
- CVE-2025-26383MEDIUMCVSS 6.3EG 6.32025-06-11
The iSTAR Configuration Utility (ICU) tool leaks memory, which could result in the unintended exposure of unauthorized data from the Windows PC that ICU is running on.
- CVE-2026-58731MEDIUMCVSS 6.2EG 6.22026-09-15
In multiple functions of physmem_extmem_linux.c, there is a possible out-of-bounds read due to uninitialized data. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not need…
- CVE-2024-31874MEDIUMCVSS 6.2EG 6.22024-04-10
IBM Security Verify Access Appliance 10.0.0 through 10.0.7 uses uninitialized variables when deploying that could allow a local user to cause a denial of service. IBM X-Force ID: 287318.
- CVE-2026-55990MEDIUMCVSS 5.9EG 5.92026-07-22
In NLnet Labs Unbound 1.7.0 up to and including 1.25.1, when the 'dnscrypt:' clause lists more 'dnscrypt-provider-cert:' files than there are matching 'dnscrypt-secret-key:' files, Unbound fills only the matched prefix and leaves the tail …
- CVE-2025-29952MEDIUMCVSS 5.9EG 5.92026-02-10
Improper Initialization within the AMD Secure Encrypted Virtualization (SEV) firmware can allow an admin privileged attacker to corrupt RMP covered memory, potentially resulting in loss of guest memory integrity
- CVE-2021-41253MEDIUMCVSS 5.9EG 5.92021-11-08
Zydis is an x86/x86-64 disassembler library. Users of Zydis versions v3.2.0 and older that use the string functions provided in `zycore` in order to append untrusted user data to the formatter buffer within their custom formatter hooks can…
- CVE-2024-32625MEDIUMCVSS 5.8EG 5.82024-04-16
In OffloadAMRWriter, a scalar field is not initialized so will contain an arbitrary value left over from earlier computations
- CVE-2025-13763MEDIUMCVSS 5.7EG 5.72026-04-23
Multiple uses of uninitialized variables were found in libopensc that may lead to information disclosure or application crash. An attack requires a crafted USB device or smart card that would present the system with specially crafted respo…
- CVE-2026-120246MEDIUMCVSS 5.5EG 5.52026-11-01
FFmpeg 4.4 through 9.0.2 contains a use of uninitialized variable vulnerability in the CDXL decoder that leaks stack memory into decoded pixels via unfilled HAM palette entries. Attackers can craft a type-0 CDXL file whose HAM pixels selec…
- CVE-2026-120243MEDIUMCVSS 5.5EG 5.52026-11-01
FFmpeg 2.0 through 9.0.2 contains a use of uninitialized variable vulnerability in the Go2Meeting decoder that allows attackers to leak stack memory through out-of-range palette indices. Attackers can craft a G2M3/G2M4 stream with a short …
- CVE-2026-65405MEDIUMCVSS 5.5EG 5.52026-09-14
A memory initialization issue was addressed with improved memory handling. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, tvOS 27, visionOS 27, watchOS 27.…
- CVE-2026-64699MEDIUMCVSS 5.5EG 5.52026-07-27
A memory initialization issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. An app may be able to disclose kernel memory.
- CVE-2025-71202MEDIUMCVSS 5.5EG 5.52026-02-14
In the Linux kernel, the following vulnerability has been resolved: iommu/sva: invalidate stale IOTLB entries for kernel address space Introduce a new IOMMU interface to flush IOTLB paging cache entries for the CPU kernel address space. …
- CVE-2026-23003MEDIUMCVSS 5.5EG 5.52026-01-25
In the Linux kernel, the following vulnerability has been resolved: ip6_tunnel: use skb_vlan_inet_prepare() in __ip6_tnl_rcv() Blamed commit did not take care of VLAN encapsulations as spotted by syzbot [1]. Use skb_vlan_inet_prepare() …
- CVE-2025-71130MEDIUMCVSS 5.5EG 5.52026-01-14
In the Linux kernel, the following vulnerability has been resolved: drm/i915/gem: Zero-initialize the eb.vma array in i915_gem_do_execbuffer Initialize the eb.vma array with values of 0 when the eb structure is first set up. In particula…
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