CyberSecBulletin

Out-of-bounds Read

CWE-125

The product reads data past the end, or before the beginning, of the intended buffer.

We track 2,559 vulnerabilities of this type. 100% are rated high or critical, and the average CVSS score is 7.9. 19 have been exploited in real attacks.

How this weakness is prevented

  • Architecture and Design: Use a language that provides appropriate memory abstractions.

Latest Out-of-bounds Read vulnerabilities

  • 7.5 High severity

    Firefox: Out-of-bounds Read

    CVE-2026-6784Mozilla

    Memory safety bugs present in Firefox 149 and Thunderbird 149. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox

  • 7.1 High severity

    Linux: Out-of-bounds Read

    CVE-2026-31430Linux

    In the Linux kernel, the following vulnerability has been resolved: X.509: Fix out-of-bounds access when parsing extensions Leo reports an out-of-bounds access when parsing a certificate with empty Basic Constraints or Key Usage extension because the first byt

  • 9.1 Critical severity

    miniupnpd: Out-of-bounds Read

    CVE-2026-5720Miniupnp Project

    miniupnpd contains an integer underflow vulnerability in SOAPAction header parsing that allows remote attackers to cause a denial of service or information disclosure by sending a malformed SOAPAction header with a single quote. Attackers can trigger an out-of

  • 9.8 Critical severity

    libcoap: Out-of-bounds Read

    CVE-2026-29013Libcoap

    libcoap contains out-of-bounds read vulnerabilities in OSCORE Appendix B.2 CBOR unwrap handling where get_byte_inc() in src/oscore/oscore_cbor.c relies solely on assert() for bounds checking, which is removed in release builds compiled with NDEBUG. Attackers c

  • 9.1 Critical severity

    xrdp: Out-of-bounds Read

    CVE-2026-33689Neutrinolabs

    xrdp is an open source RDP server. Versions through 0.10.5 have an out-of-bounds read vulnerability in the pre-authentication RDP message parsing logic. A remote, unauthenticated attacker can trigger this flaw by sending a specially crafted sequence of packets

  • 9.1 Critical severity

    xrdp: Out-of-bounds Read

    CVE-2026-33516Neutrinolabs

    xrdp is an open source RDP server. Versions through 0.10.5 contain an out-of-bounds read vulnerability during the RDP capability exchange phase. The issue occurs when memory is accessed before validating the remaining buffer length. A remote, unauthenticated a

  • 7.5 High severity

    Chrome: Out-of-bounds Read

    CVE-2026-6308Google

    Out of bounds read in Media in Google Chrome prior to 147.0.7727.101 allowed a remote attacker who convinced a user to engage in specific UI gestures to execute arbitrary code via a crafted HTML page. (Chromium security severity: High)

  • 7.1 High severity

    Red Hat Enterprise Linux 6: Out-of-bounds Read

    CVE-2026-40917Red Hat

    A flaw was found in GIMP. This vulnerability, a heap buffer over-read in the `icns_slurp()` function, occurs when processing specially crafted ICNS image files. An attacker could provide a malicious ICNS file, potentially leading to application crashes or info

  • 7.8 High severity

    Adobe Framemaker: Out-of-bounds Read

    CVE-2026-27294Adobe

    Adobe Framemaker versions 2022.8 and earlier are affected by an out-of-bounds read vulnerability when parsing a crafted file, which could result in a read past the end of an allocated memory structure. An attacker could leverage this vulnerability to execute c

  • 7.1 High severity

    libsixel: Out-of-bounds Read

    CVE-2026-33019Saitoha

    libsixel is a SIXEL encoder/decoder implementation derived from kmiya's sixel. Versions 1.8.7 and prior contain an integer overflow leading to an out-of-bounds heap read in the --crop option handling of img2sixel, where positive coordinates up to INT_MAX are a

  • 7.8 High severity

    InCopy: Out-of-bounds Read

    CVE-2026-27287Adobe

    InCopy versions 20.5.2, 21.2 and earlier are affected by an out-of-bounds read vulnerability when parsing a crafted file, which could result in a read past the end of an allocated memory structure. An attacker could leverage this vulnerability to execute code

  • 7.8 High severity

    Photoshop Desktop: Out-of-bounds Read

    CVE-2026-27289Adobe

    Photoshop Desktop versions 27.4 and earlier are affected by an out-of-bounds read vulnerability when parsing a crafted file, which could result in a read past the end of an allocated memory structure. An attacker could leverage this vulnerability to execute co

  • 7.8 High severity

    InDesign Desktop: Out-of-bounds Read

    CVE-2026-27284Adobe

    InDesign Desktop versions 20.5.2, 21.2 and earlier are affected by an out-of-bounds read vulnerability when parsing a crafted file, which could result in a read past the end of an allocated memory structure. An attacker could leverage this vulnerability to exe

  • 7.1 High severity

    ImageMagick: Out-of-bounds Read

    CVE-2026-33905ImageMagick

    ImageMagick is free and open-source software used for editing and manipulating digital images. In versions below both 7.1.2-19 and 6.9.13-44, the -sample operation has an out of bounds read when an specific offset is set through the `sample:offset` define that

  • 7.5 High severity

    core-rs-albatross: Out-of-bounds Read

    CVE-2026-32605Nimiq

    nimiq/core-rs-albatross is a Rust implementation of the Nimiq Proof-of-Stake protocol based on the Albatross consensus algorithm. Prior to version 1.3.0, an untrusted peer could crash a validator by publishing a signed tendermint proposal message where signer

  • 7.5 High severity

    Ffmpeg: Out-of-bounds Read

    CVE-2026-30997FFmpeg

    An out-of-bounds read in the read_global_param() function (libavcodec/av1dec.c) of FFmpeg v8.0.1 allows attackers to cause a Denial of Service (DoS) via a crafted input.

  • 9.1 Critical severity

    Escargot: Out-of-bounds Read

    CVE-2026-25209Samsung Open Source

    Out-of-bounds read vulnerability in Samsung Open Source Escargot allows Resource Leak Exposure.This issue affects Escargot: 97e8115ab1110bc502b4b5e4a0c689a71520d335.

  • 9.1 Critical severity

    Escargot: Out-of-bounds Read

    CVE-2026-25206Samsung Open Source

    Out-of-bounds read vulnerability in Samsung Open Source Escargot allows Resource Leak Exposure.This issue affects Escargot: 97e8115ab1110bc502b4b5e4a0c689a71520d335.

  • 7.8 High severity

    Linux: Out-of-bounds Read

    CVE-2026-31413Linux

    In the Linux kernel, the following vulnerability has been resolved: bpf: Fix unsound scalar forking in maybe_fork_scalars() for BPF_OR maybe_fork_scalars() is called for both BPF_AND and BPF_OR when the source operand is a constant. When dst has signed range [

  • 9.1 Critical severity

    wolfSSL: Out-of-bounds Read

    CVE-2026-5393wolfSSL

    Dual-Algorithm CertificateVerify out-of-bounds read. When processing a dual-algorithm CertificateVerify message, an out-of-bounds read can occur on crafted input. This can only occur when --enable-experimental and --enable-dual-alg-certs is used when building

  • 9.9 Critical severity

    wasmtime: Out-of-bounds Read

    CVE-2026-34987Bytecodealliance

    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

  • 8.5 High severity

    wasmtime: Out-of-bounds Read

    CVE-2026-34971Bytecodealliance

    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 co

  • 8.1 High severity

    wasmtime: Out-of-bounds Read

    CVE-2026-34941Bytecodealliance

    Wasmtime is a runtime for WebAssembly. Prior to 24.0.7, 36.0.7, 42.0.2, and 43.0.1, Wasmtime contains a vulnerability where when transcoding a UTF-16 string to the latin1+utf16 component-model encoding it would incorrectly validate the byte length of the input

  • 9.1 Critical severity

    DICOM Server: Out-of-bounds Read

    CVE-2026-5445Orthanc

    An out-of-bounds read vulnerability exists in the `DecodeLookupTable` function within `DicomImageDecoder.cpp`. The lookup-table decoding logic used for `PALETTE COLOR` images does not validate pixel indices against the lookup table size. Crafted images contain

  • 7.1 High severity

    DICOM Server: Out-of-bounds Read

    CVE-2026-5441Orthanc

    An out-of-bounds read vulnerability exists in the `DecodePsmctRle1` function of `DicomImageDecoder.cpp`. The `PMSCT_RLE1` decompression routine, which decodes the proprietary Philips Compression format, does not properly validate escape markers placed near the

  • 7.5 High severity

    DICOM Server: Out-of-bounds Read

    CVE-2026-5437Orthanc

    An out-of-bounds read vulnerability exists in `DicomStreamReader` during DICOM meta-header parsing. When processing malformed metadata structures, the parser may read beyond the bounds of the allocated metadata buffer. Although this issue does not typically cr

  • 8.1 High severity

    Chrome: Out-of-bounds Read

    CVE-2026-5913Google

    Out of bounds read in Blink in Google Chrome prior to 147.0.7727.55 allowed a remote attacker to perform an out of bounds memory read via a crafted HTML page. (Chromium security severity: Low)

  • 8.1 High severity

    Chrome: Out-of-bounds Read

    CVE-2026-5907Google

    Insufficient data validation in Media in Google Chrome prior to 147.0.7727.55 allowed a remote attacker to perform an out of bounds memory read via a crafted video file. (Chromium security severity: Low)

  • 8.8 High severity

    Chrome: Out-of-bounds Read

    CVE-2026-5873Google

    Out of bounds read and write in V8 in Google Chrome prior to 147.0.7727.55 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)

  • 7.1 High severity

    sleuthkit: Out-of-bounds Read

    CVE-2026-40026Sleuthkit

    The Sleuth Kit through 4.14.0 contains an out-of-bounds read vulnerability in the ISO9660 filesystem parser where the parse_susp() function trusts len_id, len_des, and len_src fields from the disk image to memcpy data into a stack buffer without verifying that

  • 7.5 High severity

    OpenSSL: Out-of-bounds Read

    CVE-2026-28386OpenSSL

    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 cras

  • 7.8 High severity

    LabVIEW: Out-of-bounds Read

    CVE-2026-32864NI

    There is a memory corruption vulnerability due to an out-of-bounds read in mgcore_SH_25_3!aligned_free() in NI LabVIEW. This vulnerability may result in information disclosure or arbitrary code execution. Successful exploitation requires an attacker to get a u

  • 7.8 High severity

    LabVIEW: Out-of-bounds Read

    CVE-2026-32863NI

    There is a memory corruption vulnerability due to an out-of-bounds read in sentry_transaction_context_set_operation() in NI LabVIEW. This vulnerability may result in information disclosure or arbitrary code execution. Successful exploitation requires an attack

  • 9.8 Critical severity

    Firefox: Out-of-bounds Write

    CVE-2026-5735Mozilla

    Memory safety bugs present in Firefox 149.0.1 and Thunderbird 149.0.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in

  • 7.5 High severity

    ZLMediaKit: Out-of-bounds Read

    CVE-2026-35203ZLMediaKit

    ZLMediaKit is a streaming media service framework. the VP9 RTP payload parser in ext-codec/VP9Rtp.cpp reads multiple fields from the RTP payload based on flag bits in the first byte, without verifying that sufficient data exists in the buffer. A crafted VP9 RT

  • 7.1 High severity

    openFPGALoader: Out-of-bounds Read

    CVE-2026-35176Trabucayre

    openFPGALoader is a utility for programming FPGAs. In 1.1.1 and earlier, a heap-buffer-overflow read vulnerability exists in POFParser::parseSection() that allows out-of-bounds heap memory access when parsing a crafted .pof file. No FPGA hardware is required t

  • 7.1 High severity

    openFPGALoader: Out-of-bounds Read

    CVE-2026-35170Trabucayre

    openFPGALoader is a utility for programming FPGAs. In 1.1.1 and earlier, a heap-buffer-overflow read vulnerability exists in BitParser::parseHeader() that allows out-of-bounds heap memory access when parsing a crafted .bit file. No FPGA hardware is required to

  • 7.8 High severity

    openexr: Out-of-bounds Read

    CVE-2026-34588AcademySoftwareFoundation

    OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. From 3.1.0 to before 3.2.7, 3.3.9, and 3.4.9, internal_exr_undo_piz() advances the working wavelet pointer with sig

  • 7.1 High severity

    Red Hat Enterprise Linux 10: Out-of-bounds Read

    CVE-2026-5673Red Hat

    A flaw was found in libtheora. This heap-based out-of-bounds read vulnerability exists within the AVI (Audio Video Interleave) parser, specifically in the avi_parse_input_file() function. A local attacker could exploit this by tricking a user into opening a sp

  • 7.1 High severity

    Linux: Out-of-bounds Write

    CVE-2026-31407Linux

    In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: add missing netlink policy validations Hyunwoo Kim reports out-of-bounds access in sctp and ctnetlink. These attributes are used by the kernel without any validation. Ext