Weakness (CWE)
CWE-758: Reliance on Undefined, Unspecified, or Implementation-Defined Behavior
The product uses an API function, data structure, or other entity in a way that relies on properties that are not always guaranteed to hold for that entity.
Source: MITRE CWE-758
36 results · Feed
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Low 2.6
Wasmtime 47.0.0 before 48.0.6 and 49.0.0 before 49.0.3 Misaligned VMContext via Exception Tags
Wasmtime 47.0.0 before 48.0.6 and 49.0.0 before 49.0.3 contains a memory misalignment flaw in VMContext layout that causes undefined behavior when modules contain an odd number of exception tags. A WebAssembly module with an odd tag count misaligns subsequent…
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High 8.1
Undefined behavior in the DOM: Streams component
Undefined behavior in the DOM: Streams 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.
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Medium 5.3
OpenSlide: openslide_read_region() returns uninitialized memory with libtiff 4.7.1
OpenSlide is a C library for reading whole slide image files. Prior to 4.0.1, a behavior change in libtiff 4.7.1 causes the indirect TIFF tile path in src/openslide-decode-tiff.c and _openslide_tiff_read_tile() to request a full-height destination for a parti…
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Medium 6.9
Eclipse OpenJ9 : Method resolution default method precedence failure
In Eclipse OpenJ9 versions up to 0.60, when executing class files where a previously concrete superclass method has been recompiled as abstract, execution is incorrectly delegated to an interface default method.
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Low 2.0
RustCrypto Cmov/CmovEq on aarch64 can produce wrong results if high-bits of registers are set
RustCrypto CMOV provides conditional move CPU intrinsics which are guaranteed on major platforms to execute in constant-time and not be rewritten as branches by the compiler. From 0.1.1 until 0.5.4, the aarch64 implementations of Cmov and CmovEq in cmov/src/b…
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Low 2.9
Ghidra < 11.2 - Use After Free in Sleigh Backend via Static Initialization Order
Ghidra before 11.2 contains a use after free vulnerability in the Sleigh backend caused by undefined static initialization order of the SleighArchitecture::translators and XmlArchitectureCapability singletons. Attackers can trigger an infinite loop or denial …
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Critical 9.8
dmaengine: idxd: fix possible wrong descriptor completion in llist_abort_desc()
In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: fix possible wrong descriptor completion in llist_abort_desc() At the end of this function, d is the traversal cursor of flist, but the code completes found instead. This can…
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Low 3.7
BACnet Stack: Undefined-behavior signed left shift in `decode_signed32()`
BACnet Stack is a BACnet open source protocol stack C library for embedded systems. Prior to 1.4.3, decode_signed32() in src/bacnet/bacint.c reconstructs a 32-bit signed integer from four APDU bytes using signed left shifts. When any of the four bytes has bit…
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Medium 6.2
iccDEV: UB at IccUtil.cpp
iccDEV provides a set of libraries and tools for working with ICC color management profiles. Prior to version 2.3.1.6, there is an Undefined Behavior (UB) condition in IccUtil.cpp triggered by a crafted input profile. Under UndefinedBehaviorSanitizer, the iss…
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Medium 6.2
iccDEV: UB at IccUtil.cpp
iccDEV provides a set of libraries and tools for working with ICC color management profiles. Prior to version 2.3.1.6, an Undefined Behavior (UB) condition in IccUtil.cpp can be triggered by a crafted ICC profile when running iccDumpProfile. This issue has be…
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Medium 6.2
iccDEV: UB in CIccOpDefEnvVar::Exec()
iccDEV provides a set of libraries and tools for working with ICC color management profiles. Prior to version 2.3.1.6, a crafted ICC profile can trigger Undefined Behavior (UB) in CIccOpDefEnvVar::Exec() due to invalid enum values being loaded for icSigCmmEnv…
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Medium 6.2
iccDEV: UB in CIccCalculatorFunc::ApplySequence()
iccDEV provides a set of libraries and tools for working with ICC color management profiles. Prior to version 2.3.1.6, a crafted ICC profile can trigger Undefined Behavior (UB) in CIccCalculatorFunc::ApplySequence() due to invalid enum values being loaded for…
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Medium 4.6
BlueKitchen BTstack < 1.8.1 AVRCP Browsing Target GET_FOLDER_ITEMS Handler OOB Read / Undefined Behavior
BlueKitchen BTstack versions prior to 1.8.1 contain an out-of-bounds read vulnerability in the AVRCP Browsing Target GET_FOLDER_ITEMS handler that fails to validate packet boundaries and attribute count data. An attacker with a paired Bluetooth Classic connec…
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High 8.1
Undefined behavior in the WebRTC: Signaling component
Undefined behavior in the WebRTC: Signaling component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.
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Critical 9.8
Undefined behavior in the WebRTC: Signaling component
Undefined behavior in the WebRTC: Signaling component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.
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Critical 9.1
Undefined behavior in the Audio/Video component
Undefined behavior in the Audio/Video component. This vulnerability was fixed in Firefox 149 and Thunderbird 149.
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High 7.8
netfilter: xt_IDLETIMER: reject rev0 reuse of ALARM timer labels
In the Linux kernel, the following vulnerability has been resolved: netfilter: xt_IDLETIMER: reject rev0 reuse of ALARM timer labels IDLETIMER revision 0 rules reuse existing timers by label and always call mod_timer() on timer->timer. If the label was create…
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Low —
Unsoundness in opt-in ARMv8 assembly backend for `keccak`
### Summary The `asm!` block enabled by the off-by-default `asm` feature, when enabled on ARMv8 targets, misspecified the operand type for all of its operands, using `in` for pointers and values which were subsequently mutated by operations performed within t…
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Critical —
Cap'n Proto has Undefined Behavior in constant::Reader and StructSchema
The safe API functions `constant::Reader::get` and `StructSchema::new` rely on `PointerReader::get_root_unchecked`, which can cause undefined behavior (UB) by constructing arbitrary words or schemas. ## `Reader::get` ```rust pub fn get(&self) -> Result<<T as …
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High 7.1
iccDEV has Undefined Behavior and Null Pointer Deference in CIccTagXmlSegmentedCurve::ToXml()
iccDEV provides libraries and tools for interacting with, manipulating, and applying ICC color management profiles. Versions 2.3.1.1 and below have Undefined Behavior in CIccTagXmlSegmentedCurve::ToXml(). This occurs when user-controllable input is unsafely i…
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High 7.1
iccDEV has Undefined Behavior and Null Pointer Deference in CIccProfileXml::ParseBasic()
iccDEV provides libraries and tools for interacting with, manipulating, and applying ICC color management profiles. Versions 2.3.1.1 and below have Undefined Behavior and Null Pointer Deference in CIccProfileXml::ParseBasic(). This occurs when user-controllab…
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High 7.1
iccDEV has Undefined Behavior and Null Pointer Deference in CIccTagXmlFloatNum<>::ParseXml()
iccDEV provides libraries and tools for interacting with, manipulating, and applying ICC color management profiles. Versions 2.3.1.1 and below have Undefined Behavior and Null Pointer Deference in CIccTagXmlFloatNum<>::ParseXml(). This occurs when user-contro…
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High 7.1
iccDEV has Undefined Behavior in icSigCalcOp()
iccDEV provides libraries and tools for interacting with, manipulating, and applying ICC color management profiles. Versions 2.3.1.1 and below have Undefined Behavior in icSigCalcOp(). This occurs when user-controllable input is unsafely incorporated into ICC…
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High 7.1
iccDEV has Null Pointer Deference and Undefined Behavior in CIccXmlArrayType()
iccDEV provides libraries and tools for interacting with, manipulating, and applying ICC color management profiles. In versions 2.3.1.1 and below, CIccXmlArrayType() contains a Null Pointer Dereference and Undefined Behavior vulnerability. This occurs when us…
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Medium 5.6
FreeRDP has a global-buffer-overflow in crypto_base64_decode
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.20.1, global-buffer-overflow was observed in FreeRDP's Base64 decoding path. The root cause appears to be implementation-defined char signedness: on Arm/AArch64 builds, plain char is …
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High 7.1
iccDEV has Undefined Behavior in CIccTagCurve::CIccTagCurve()
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 Undefined Behavior in `CIccTagCurve::CIccTagCurve()`. …
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High 7.1
iccDEV has Undefined Behavior in CIccTagLutAtoB::Validate()
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 Undefined Behavior in `CIccTagLutAtoB::Validate()`. Th…
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High 7.1
iccDEV has Undefined Behavior in CIccTagLut16::Read()
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 Undefined Behavior in `CIccTagLut16::Read()`. This vul…
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High 7.1
iccDEV has Undefined Behavior in CIccTagSpectralViewingConditions()
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 Undefined Behavior in `CIccTagSpectralViewingCondition…
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High 8.8
iccDEV has Undefined Behavior in CIccCLUT::Init()
iccDEV provides a set of libraries and tools for working with ICC color management profiles. Versions 2.3.1 and below have Undefined Behavior in its CIccCLUT::Init function which initializes and sets the size of a CLUT. This issue is fixed in version 2.3.1.1.
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High 7.1
OpenPLC_V3
OpenPLC_V3 has a vulnerability in the enipThread function that occurs due to the lack of a return value. This leads to a crash when the server loop ends and execution hits an illegal ud2 instruction. This issue can be triggered remotely without authentication…
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High —
LibYML: `libyml::string::yaml_string_extend` is unsound and unmaintained
In version 0.0.4, `libyml::string::yaml_string_extend` was revised resulting in undefined behaviour, which is unsound. The GitHub project for `libyml` was archived after unsoundness issues were raised. If you rely on this crate, it is highly recommended switc…
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Medium 6.1
ImageMagick Undefined Behavior (function-type-mismatch) in CloneSplayTree
ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 6.9.13-27 and 7.1.2-1, there is undefined behavior (function-type-mismatch) in splay tree cloning callback. This results in a deterministic abort …
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Medium 6.5
The `ShmemCharMapHashEntry()` code was susceptible to potentially undefined behavior by bypassing the move semantics fo…
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Low 3.9
Wasmtime has Undefined Behavior in Rust runtime functions
Wasmtime is a standalone runtime for WebAssembly. Prior to versions 6.0.2, 7.0.1, and 8.0.1, Wasmtime's implementation of managing per-instance state, such as tables and memories, contains LLVM-level undefined behavior. This undefined behavior was found to ca…
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High 7.5
Unaligned memory allocation in chunky
An issue was discovered in the chunky crate through 2020-08-25 for Rust. The Chunk API does not honor an alignment requirement.