Weakness (CWE)
CWE-125: Out-of-bounds Read
The product reads data past the end, or before the beginning, of the intended buffer.
How to prevent it (2 mitigations)
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Implementation
Assume all input is malicious. Use an "accept known good" input validation strategy, i.e., use a list of acceptable inputs that strictly conform to specifications. Reject any input that does not strictly conform to specifications, or transform it into something that does.
When performing input validation, consider all potentially relevant properties, including length, type of input, the full range of acceptable values, missing or extra inputs, syntax, consistency across related fields, and conformance to business rules. As an example of business rule logic, "boat" may be syntactically valid because it only contains alphanumeric characters, but it is not valid if the input is only expected to contain colors such as "red" or "blue."
Do not rely exclusively on looking for malicious or malformed inputs. This is likely to miss at least one undesirable input, especially if the code's environment changes. This can give attackers enough room to bypass the intended validation. However, denylists can be useful for detecting potential attacks or determining which inputs are so malformed that they should be rejected outright.
To reduce the likelihood of introducing an out-of-bounds read, ensure that you validate and ensure correct calculations for any length argument, buffer size calculation, or offset. Be especially careful of relying on a sentinel (i.e. special character such as NUL) in untrusted inputs.
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Architecture and Design
Use a language that provides appropriate memory abstractions.
Source: MITRE CWE-125
285 results · Clear filters · Feed
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Critical 9.1CVE-2026-12087 Public exploit
Socket versions before 2.041 for Perl have an out-of-bounds heap read
Socket versions before 2.041 for Perl have an out-of-bounds heap read. In Socket.xs, pack_ip_mreq_source() checks the length of its source argument before the argument is read, so the check tests the byte length carried over from the preceding multiaddr argum…
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Critical 9.6
Type Confusion in ANGLE in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to potentially perform a sand…
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Critical 9.6
Out of bounds read and write in ANGLE in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to potentially …
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Critical 9.6
Out of bounds read in WebGL in Google Chrome on Android prior to 148.0.7778.216 allowed a remote attacker to potentiall…
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Critical 9.1
smb/client: fix out-of-bounds read in symlink_data()
In the Linux kernel, the following vulnerability has been resolved: smb/client: fix out-of-bounds read in symlink_data() Since smb2_check_message() returns success without length validation for the symlink error response, in symlink_data() it is possible for …
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Critical 9.1
smb/client: fix out-of-bounds read in smb2_compound_op()
In the Linux kernel, the following vulnerability has been resolved: smb/client: fix out-of-bounds read in smb2_compound_op() If a server sends a truncated response but a large OutputBufferLength, and terminates the EA list early, check_wsl_eas() returns succe…
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Critical 9.9
Kitty has a Heap Buffer Over-Read/Write via Integer Overflow in compose_rectangles Bounds Check
Kitty is a cross-platform GPU based terminal. In versions 0.46.2 and below, the handle_compose_command() function in kitty/graphics.c performs bounds validation on composition offsets using unsigned 32-bit arithmetic that is subject to integer wrapping, poten…
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Critical 9.1
libceph: prevent potential out-of-bounds reads in process_message_header()
In the Linux kernel, the following vulnerability has been resolved: libceph: prevent potential out-of-bounds reads in process_message_header() If the message frame is (maliciously) corrupted in a way that the length of the control segment ends up being less t…
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Critical 9.1
netconsole: avoid OOB reads, msg is not nul-terminated
In the Linux kernel, the following vulnerability has been resolved: netconsole: avoid OOB reads, msg is not nul-terminated msg passed to netconsole from the console subsystem is not guaranteed to be nul-terminated. Before recent commit 7eab73b18630 ("netconso…
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Critical 9.1
net: ioam6: fix OOB and missing lock
In the Linux kernel, the following vulnerability has been resolved: net: ioam6: fix OOB and missing lock When trace->type.bit6 is set: if (trace->type.bit6) { ... queue = skb_get_tx_queue(dev, skb); qdisc = rcu_dereference(queue->qdisc); This code can lead to…
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Critical 9.1
dcache: Limit the minimal number of bucket to two
In the Linux kernel, the following vulnerability has been resolved: dcache: Limit the minimal number of bucket to two There is an OOB read problem on dentry_hashtable when user sets 'dhash_entries=1': BUG: unable to handle page fault for address: ffff888b30b7…
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Critical 9.1
Ollama heap out-of-bounds read in GGUF tensor parsing leaks server process memory to unauthenticated remote attackers
Ollama before 0.17.1 contains a heap out-of-bounds read vulnerability in the GGUF model loader. The /api/create endpoint accepts an attacker-supplied GGUF file in which the declared tensor offset and size exceed the file's actual length; during quantization i…
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Critical 9.4
netfilter: ip6t_eui64: reject invalid MAC header for all packets
In the Linux kernel, the following vulnerability has been resolved: netfilter: ip6t_eui64: reject invalid MAC header for all packets `eui64_mt6()` derives a modified EUI-64 from the Ethernet source address and compares it with the low 64 bits of the IPv6 sour…
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Critical 9.1
bridge: br_nd_send: linearize skb before parsing ND options
In the Linux kernel, the following vulnerability has been resolved: bridge: br_nd_send: linearize skb before parsing ND options br_nd_send() parses neighbour discovery options from ns->opt[] and assumes that these options are in the linear part of request. It…
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Critical 9.6
Out of bounds read in GPU in Google Chrome on Android prior to 147.0.7727.117 allowed a remote attacker who had comprom…
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Critical 9.0
Wasmtime with Winch compiler backend on aarch64 may allow a sandbox-escaping memory access
Wasmtime is a runtime for WebAssembly. From 25.0.0 to before 36.0.7, 42.0.2, and 43.0.1, Wasmtime with its Winch (baseline) non-default compiler backend may allow properly constructed guest Wasm to access host memory outside of its linear-memory sandbox. This…
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Critical 9.0
Wasmtime miscompiled guest heap access enables sandbox escape on aarch64 Cranelift
Wasmtime is a runtime for WebAssembly. From 32.0.0 to before 36.0.7, 42.0.2, and 43.0.1, Wasmtime's Cranelift compilation backend contains a bug on aarch64 when performing a certain shape of heap accesses which means that the wrong address is accessed. When c…
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Critical 9.1
Out-of-bounds Read in AES-CFB-128 on X86-64 with AVX-512 Support
Issue summary: Applications using AES-CFB128 encryption or decryption on systems with AVX-512 and VAES support can trigger an out-of-bounds read of up to 15 bytes when processing partial cipher blocks. Impact summary: This out-of-bounds read may trigger a cra…
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Critical 9.1
netfilter: nf_conntrack_h323: check for zero length in DecodeQ931()
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_conntrack_h323: check for zero length in DecodeQ931() In DecodeQ931(), the UserUserIE code path reads a 16-bit length from the packet, then decrements it by 1 to skip the protoc…
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Critical 9.8
SiYuan has Arbitrary Document Reading within the Publishing Service
SiYuan is a personal knowledge management system. Prior to version 3.6.2, document IDs were retrieved via the /api/file/readDir interface, and then the /api/block/getChildBlocks interface was used to view the content of all documents. Version 3.6.2 patches th…
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Critical 9.1
Out-of-bounds Read in slajerek RetroDebugger
Out-of-bounds Read vulnerability in slajerek RetroDebugger.This issue affects RetroDebugger: before v0.64.72.
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Critical 9.1
Out-of-bounds Read in fabiangreffrath woof
Out-of-bounds Read vulnerability in fabiangreffrath woof.This issue affects woof: before woof_15.3.0.
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Critical 9.3
Notepad3 Bundled Oniguruma compile_string_node() Heap Buffer Overflow via Crafted Regex Pattern Allows Arbitrary Code Execution
Out-of-bounds Read vulnerability in rizonesoft Notepad3 (scintilla/oniguruma/src modules). This vulnerability is associated with program files regcomp.C. This issue affects Notepad3: before 6.25.714.1.
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Critical 9.3
Insufficient input validation leading to memory overread
Insufficient input validation in NetScaler ADC and NetScaler Gateway when configured as a SAML IDP leading to memory overread
KEV Mar 30, 2026 -
Critical 9.1
An out-of-bounds memory access (OOB) in p2r3 Bareiron commit 8e4d40 allows unauthenticated attackers to access sensitiv…
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Critical 9.6
Out of bounds read in Web Speech in Google Chrome prior to 146.0.7680.71 allowed a remote attacker to potentially perfo…
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Critical 9.8
Undefined behavior in the DOM: Core & HTML component
Undefined behavior in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
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Critical 9.8
nvmet-tcp: add bounds checks in nvmet_tcp_build_pdu_iovec
In the Linux kernel, the following vulnerability has been resolved: nvmet-tcp: add bounds checks in nvmet_tcp_build_pdu_iovec nvmet_tcp_build_pdu_iovec() could walk past cmd->req.sg when a PDU length or offset exceeds sg_cnt and then use bogus sg->length/offs…
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Critical 9.3
In vpu_mmap of vpu_ioctl, there is a possible arbitrary address mmap due to a missing bounds check. This could lead to …
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Critical 10.0
Out-of-bounds write in turso3d
Out-of-bounds Write, Divide By Zero, NULL Pointer Dereference, Use of Uninitialized Resource, Out-of-bounds Read, Reachable Assertion vulnerability in cadaver turso3d.This issue affects .
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Critical 9.3
A heap-based buffer over-read that might affect a system that compiles untrusted Lua code in turanszkij/WickedEngine.
Out-of-bounds Read vulnerability in turanszkij WickedEngine (WickedEngine/LUA modules). This vulnerability is associated with program files lparser.C. This issue affects WickedEngine: through 0.71.727.
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Critical 9.3
An improper pointer arithmetic in root-project/root at builtins/zlib/inftrees.c
Vulnerability in root-project root (builtins/zlib modules). This vulnerability is associated with program files inftrees.C. This issue affects root: through 6.36.00-rc1.
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Critical 9.3
An improper pointer arithmetic in root-project/root at builtins/zlib/inffast.c
Vulnerability in root-project root (builtins/zlib modules). This vulnerability is associated with program files inffast.C. This issue affects root.
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Critical 9.8
libceph: prevent potential out-of-bounds reads in handle_auth_done()
In the Linux kernel, the following vulnerability has been resolved: libceph: prevent potential out-of-bounds reads in handle_auth_done() Perform an explicit bounds check on payload_len to avoid a possible out-of-bounds access in the callout. [ idryomov: chang…
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Critical 9.1
libceph: make decode_pool() more resilient against corrupted osdmaps
In the Linux kernel, the following vulnerability has been resolved: libceph: make decode_pool() more resilient against corrupted osdmaps If the osdmap is (maliciously) corrupted such that the encoded length of ceph_pg_pool envelope is less than what is expect…
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Critical 9.1
e1000: fix OOB in e1000_tbi_should_accept()
In the Linux kernel, the following vulnerability has been resolved: e1000: fix OOB in e1000_tbi_should_accept() In e1000_tbi_should_accept() we read the last byte of the frame via 'data[length - 1]' to evaluate the TBI workaround. If the descriptor- reported …
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Critical 9.8
svcrdma: bound check rq_pages index in inline path
In the Linux kernel, the following vulnerability has been resolved: svcrdma: bound check rq_pages index in inline path svc_rdma_copy_inline_range indexed rqstp->rq_pages[rc_curpage] without verifying rc_curpage stays within the allocated page array. Add guard…
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Critical 9.8
phpgurukul News Portal Project V4.1 has File Upload Vulnerability via upload.php, which enables the upload of files of …
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Critical 9.4
Azure Application Gateway Elevation of Privilege Vulnerability
Out-of-bounds read in Application Gateway allows an unauthorized attacker to elevate privileges over a network.
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Critical 9.1
An out-of-bounds read vulnerability has been discovered in Monkey's Audio 11.31, specifically in the CAPECharacterHelpe…