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
- 9.1 Critical severity
esp-idf: Out-of-bounds Read
ESF-IDF is the Espressif Internet of Things (IOT) Development Framework. In 5.5.1, 5.4.3, 5.3.4, 5.2.6, 5.1.6, and earlier, when AVRCP is enabled on ESP32, receiving a malformed VENDOR DEPENDENT command from a peer device can cause the Bluetooth stack to acces
- 7.5 High severity
Circutor: Out-of-bounds Read
Out-of-bounds read vulnerability in Circutor SGE-PLC1000/SGE-PLC50 v9.0.2. The 'DownloadFile' function converts a parameter to an integer using 'atoi()' and then uses it as an index in the 'FilesDownload' array with '(&FilesDownload)[iVar2]'. If the parameter
- 7.8 High severity
MT6739, MT6761, MT6765, MT6768, MT6781…: Out-of-bounds Read
In display, there is a possible out of bounds read due to a missing bounds check. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS10
- 7.8 High severity
Avira Antivirus: Heap-based Buffer Overflow
Heap-based Buffer Overflow, Out-of-bounds Read vulnerability in Avira Antivirus engine when scanning a malformed file may allow Local Execution of Code or Denial-of-Service of the antivirus engine process. This issue affects Avira Antivirus on Windows, macOS,
- 7.8 High severity
Avast Antivirus: Out-of-bounds Read
Heap buffer out-of-bounds read vulnerability in Avast Antivirus when scanning a malformed Mach-O file may allow Local Execution of Code or Denial-of-Service of the antivirus process. This issue affects Avast Antivirus, AVG Antivirus, Norton Antivirus, Avast On
- 7.1 High severity
HarmonyOS: Out-of-bounds Read
Vulnerability of accessing invalid memory in the component driver module. Impact: Successful exploitation of this vulnerability will affect availability and confidentiality.
- 7.4 High severity
Lapwing_Linux: Out-of-bounds Read
Out-of-bounds Read vulnerability in ASR1903、ASR3901 in ASR Lapwing_Linux on Linux (nr_fw modules). This vulnerability is associated with program files Code/nr_fw/DLP/src/NrCgi.C. This issue affects Lapwing_Linux: before 2025/11/26.
- 7.5 High severity
webkitgtk: Out-of-bounds Read
A flaw was found in WebKitGTK and WPE WebKit. This vulnerability allows an out-of-bounds read and integer underflow, leading to a UIProcess crash (DoS) via a crafted payload to the GLib remote inspector server.
- 7.1 High severity
libpng: Out-of-bounds Read
LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. From version 1.6.0 to before 1.6.51, an out-of-bounds read vulnerability exists in png_image_read_composite when process
- 7.5 High severity
Thinkphp: Out-of-bounds Read
The fetch function in file thinkphp\library\think\Template.php in ThinkPHP 5.0.24 allows attackers to read arbitrary files via crafted file path in a template value.
- 7.8 High severity
PS/IGES Parasolid Translator Component: Out-of-bounds Read
A vulnerability has been identified in PS/IGES Parasolid Translator Component (All versions < V29.0.258), Simcenter Femap (All versions < V2512.0003), Solid Edge (All versions < V226.00 Update 03). The affected applications contains an out of bounds read vulne
- 7.8 High severity
Substance3D - Stager: Out-of-bounds Read
Substance3D - Stager versions 3.1.5 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 execut
- 7.8 High severity
Format Plugins: Out-of-bounds Read
Format Plugins versions 1.1.1 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
- 7.4 High severity
Intel(R) PROSet/Wireless WiFi Software for…: Out-of-bounds Read
Out-of-bounds read for some Intel(R) PROSet/Wireless WiFi Software for Windows before version 23.160 within Ring 2: Device Drivers may allow a denial of service. Unprivileged software adversary with an unauthenticated user combined with a low complexity attack
- 8.8 High severity
Chrome: Out-of-bounds Read
Out of bounds read in WebGPU in Google Chrome on Android prior to 142.0.7444.137 allowed a remote attacker to perform an out of bounds memory write via a crafted HTML page. (Chromium security severity: High)
- 8.8 High severity
Chrome: Out-of-bounds Read
Out of bounds memory access in V8 in Google Chrome prior to 141.0.7390.122 allowed a remote attacker to perform out of bounds memory access via a crafted HTML page. (Chromium security severity: High)
- 7.5 High severity
Chrome: Out-of-bounds Read
Out of bounds read in Media in Google Chrome prior to 141.0.7390.54 allowed a remote attacker to potentially perform out of bounds memory access via a crafted HTML page. (Chromium security severity: Medium)
- 7.8 High severity
QuickJS: Out-of-bounds Read
A weakness has been identified in QuickJS up to eb2c89087def1829ed99630cb14b549d7a98408c. This affects the function js_array_buffer_slice of the file quickjs.c. This manipulation causes buffer over-read. The attack is restricted to local execution. The exploit
- 7.5 High severity
Exynos 1580 Firmware: Out-of-bounds Read
An issue was discovered in Samsung Mobile Processor Exynos 2400, 1580, 2500. A race condition in the HTS driver results in out-of-bounds memory access, leading to a denial of service.
- 7.8 High severity
macOS: Out-of-bounds Read
An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Sequoia 15.7.2, macOS Sonoma 14.8.2, macOS Tahoe 26.1. An app may be able to cause unexpected system termination or read kernel memory.
- 7.8 High severity
iOS and iPadOS: Out-of-bounds Read
An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in iOS 18.7.2 and iPadOS 18.7.2, iOS 26.1 and iPadOS 26.1, macOS Tahoe 26.1, tvOS 26.1, visionOS 26.1. Processing a maliciously crafted media file may lead to unexpe
- 7.8 High severity
iOS and iPadOS: Out-of-bounds Read
An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 26 and iPadOS 26, macOS Sequoia 15.7.2, macOS Sonoma 14.8.2, macOS Tahoe 26, tvOS 26, visionOS 26, watchOS 26. A malicious app may be able to read kernel memory.
- 7.5 High severity
Xen: Out-of-bounds Read
[This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] Some Viridian hypercalls can specify a mask of vCPU IDs as an input, in one of three formats. Xen has boundary checking bugs with a
- 7.5 High severity
Xen: Out-of-bounds Read
[This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] Some Viridian hypercalls can specify a mask of vCPU IDs as an input, in one of three formats. Xen has boundary checking bugs with a
- 7.1 High severity
Linux: Out-of-bounds Read
In the Linux kernel, the following vulnerability has been resolved: hfsplus: fix slab-out-of-bounds read in hfsplus_uni2asc() BUG: KASAN: slab-out-of-bounds in hfsplus_uni2asc+0xa71/0xb90 fs/hfsplus/unicode.c:186 Read of size 2 at addr ffff8880289ef218 by task
- 8.8 High severity
OpenWrt Project is a Linux operating system targeting embedded devices.
OpenWrt Project is a Linux operating system targeting embedded devices. Prior to version 24.10.4, local users could read and write arbitrary kernel memory using the ioctls of the ltq-ptm driver which is used to drive the datapath of the DSL line. This only eff
- 9.8 Critical severity
NextX Duo: Out-of-bounds Read
In NetXDuo version before 6.4.4, a networking support module for Eclipse Foundation ThreadX, in the DHCPV6 client there was an unchecked index extracting the server DUID from the server reply. With a crafted packet, an attacker could cause an out of memory rea
- 7.5 High severity
NetX Duo: Out-of-bounds Read
In NextX Duo before 6.4.4, in the HTTP client module, the network support code for Eclipse Foundation ThreadX, the parsing of HTTP header fields was missing bounds verification. A crafted server response could cause undefined behavior.
- 9.1 Critical severity
USBX: Out-of-bounds Read
In USBX before 6.4.3, the USB support module for Eclipse Foundation ThreadX, there was a potential out of bound read issue in _ux_host_class_audio10_sam_parse_func() when parsing a list of sampling frequencies.
- 7.5 High severity
NetX Duo: Out-of-bounds Read
In NetX Duo before 6.4.4, the networking support module for Eclipse Foundation ThreadX, there was a potential out of bound read issue in _nx_icmpv6_validate_options() when handling a packet with ICMP6 options.
- 7.5 High severity
NextX Duo: Out-of-bounds Read
In NextX Duo's snmp addon versions before 6.4.4, a part of the Eclipse Foundation ThreadX, an attacker could cause an out-of-bound read by a crafted SNMPv3 security parameters.
- 7.5 High severity
BIG-IP: Out-of-bounds Read
Undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate. This issue may occur when a Datagram Transport Layer Security (DTLS) 1.2 virtual server is enabled with a Server SSL profile that is configured with a certificate, key, and th
- 7.5 High severity
BIG-IP: Out-of-bounds Read
When a BIG-IP APM OAuth access profile (Resource Server or Resource Client) is configured on a virtual server, undisclosed traffic can cause the apmd process to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evalu
- 9.1 Critical severity
NetX Duo: Out-of-bounds Read
In Eclipse Foundation NextX Duo before 6.4.4, a module of ThreadX, the _nx_secure_tls_process_clienthello() function was missing length verification of certain SSL/TLS client hello message: the ciphersuite length and compression method length. In case of an at
- 7.8 High severity
Substance3D - Stager: Out-of-bounds Read
Substance3D - Stager versions 3.1.4 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 execut
- 7.8 High severity
Substance3D - Stager: Out-of-bounds Read
Substance3D - Stager versions 3.1.4 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 execut
- 7.8 High severity
Dimension: Out-of-bounds Read
Dimension versions 4.1.4 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 code in t
- 7.8 High severity
Dimension: Out-of-bounds Read
Dimension versions 4.1.4 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 code in t
- 7.8 High severity
Substance3D - Modeler: Out-of-bounds Read
Substance3D - Modeler versions 1.22.3 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 exec
- 8.8 High severity
Firefox: Improper Restriction of Operations within the Bounds of a Memory Buffer
Memory safety bugs present in Firefox ESR 115.28, Firefox ESR 140.3, Thunderbird ESR 140.3, Firefox 143 and Thunderbird 143. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited