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

  • 7.8 High severity

    ImageMagick: Out-of-bounds Read

    CVE-2026-56370ImageMagick

    ImageMagick before 7.1.2-19 contains an out-of-bounds access vulnerability in ConnectedComponentsImage() when processing connected-components artifacts with invalid indices. Attackers can trigger access violations by specifying malformed connected-components d

  • 7.1 High severity

    Linux: Out-of-bounds Read

    CVE-2026-52942Linux

    In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_log: validate MAC header was set before dumping it The fallback path of dump_mac_header() guards the MAC header access only with "skb->mac_header != skb->network_header", without

  • 7.8 High severity

    Linux: Out-of-bounds Read

    CVE-2026-52927Linux

    In the Linux kernel, the following vulnerability has been resolved: netfilter: ebtables: fix OOB read in compat_mtw_from_user Luxiao Xu says: The function compat_mtw_from_user() converts ebtables extensions from 32-bit user structures to kernel native structur

  • 7.1 High severity

    Linux: Out-of-bounds Read

    CVE-2026-52917Linux

    In the Linux kernel, the following vulnerability has been resolved: sctp: diag: reject stale associations in dump_one path The SCTP exact sock_diag lookup can hold a transport reference, block on lock_sock(sk), and then resume after sctp_association_free() has

  • 7.1 High severity

    Linux: Improper Validation of Array Index

    CVE-2026-52915Linux

    In the Linux kernel, the following vulnerability has been resolved: netfilter: ip6t_hbh: reject oversized option lists struct ip6t_opts stores at most IP6T_OPTS_OPTSNR option descriptors, but hbh_mt6_check() does not reject larger optsnr values supplied from u

  • 7.1 High severity

    zephyr: Out-of-bounds Write

    CVE-2026-10658Zephyr Project

    bt_iso_recv() in subsys/bluetooth/host/iso.c pulled the ISO SDU header (4 bytes) or, when the timestamp flag is set, the timestamped SDU header (8 bytes) from the inbound HCI ISO Data buffer via net_buf_pull_mem() without first checking buf->len. The upstream

  • 7.5 High severity

    MessagePack-CSharp: Out-of-bounds Read

    CVE-2026-48502MessagePack-CSharp

    MessagePack for C# is a MessagePack serializer for C#. Prior to 2.5.301 and 3.1.7, MessagePackReader.ReadDateTime() can allocate stack memory based on an attacker-controlled MessagePack extension length. In the slow path for timestamp extension parsing, the co

  • 8.2 High severity

    ImageMagick: Out-of-bounds Read

    CVE-2026-56378ImageMagick

    ImageMagick before 7.1.2-15 (and 6.x before 6.9.13-40) contains a heap out-of-bounds read in the PCD coder's DecodeImage loop. A crafted PCD file can trigger a one-byte heap out-of-bounds read during image decoding, resulting in denial of service and potential

  • 9.1 Critical severity

    ImageMagick: Out-of-bounds Read

    CVE-2026-56367ImageMagick

    ImageMagick before 7.1.2-15 and 6.9.x before 6.9.13-40 contains an integer overflow in the PSB (PSD v2) RLE decoding path (ReadPSDChannelRLE in coders/psd.c) that causes a heap out-of-bounds read on 32-bit builds. Processing a crafted PSB file can lead to info

  • 9.1 Critical severity

    Crypt::OpenSSL::PKCS12: Out-of-bounds Read

    CVE-2026-9265Jonasbn

    Crypt::OpenSSL::PKCS12 versions before 1.96 for Perl permits a heap OOB read in print_attribute UTF8STRING path. print_attribute() copies a UTF8STRING ASN.1 attribute value into a heap buffer sized exactly to its declared length via strncpy, leaving no NUL ter

  • 7.1 High severity

    Red Hat Enterprise Linux AI 3.3 for RHEL 9: Out-of-bounds Read

    CVE-2026-56210Red Hat

    A heap-buffer-overflow read vulnerability was found in libaom, the reference AV1 codec implementation. A missing bounds check in the SVC (Scalable Video Coding) layer ID control function allows setting a spatial_layer_id exceeding the configured number of laye

  • 7.8 High severity

    Linux: Out-of-bounds Read

    CVE-2026-52910Linux

    In the Linux kernel, the following vulnerability has been resolved: bpf: Free reuseport cBPF prog after RCU grace period. Eulgyu Kim reported the splat below with a repro. [0] The repro sets up a UDP reuseport group with a cBPF prog and replaces it with a new

  • 7.5 High severity

    grpc-device: Out-of-bounds Read

    CVE-2026-48138NI

    There is an out-of-bounds read vulnerability in the NI grpc-device streaming API due to a missing bounds check that may result in a denial of service. Successful exploitation requires an attacker to supply a specially crafted write request. This affects NI grp

  • 9.1 Critical severity

    Heif Image Extension: Out-of-bounds Read

    CVE-2025-62821MicrosoftEPSS 1.05%

    Microsoft HEIF Image Extensions 1.2.22.0 has an out-of-bounds read because CHEIFItemInfoEntry_GetDataSize can return success while leaving the reported data size as 0. This causes a caller to make a 1-byte allocation. Later, CopyPixels computes copy_size = str

  • 9.1 Critical severity

    Connext Professional: Out-of-bounds Read

    CVE-2026-3894RTI

    Out-of-bounds Read vulnerability in RTI Connext Professional (Core Libraries) allows Overread Buffers. This issue affects Connext Professional: from 7.4.0 before 7.7.0, from 7.0.0 before 7.3.1.3, from 6.1.0 before 6.1.*, from 6.0.0 before 6.0.*, from 5.3.0 bef

  • 8.2 High severity

    Connext Micro: Out-of-bounds Read

    CVE-2026-30802RTI

    Out-of-bounds Read vulnerability in RTI Connext Micro (Core Libraries) allows Overread Buffers. This issue affects Connext Micro: from 4.0.0 before 4.3.0, from 2.4.5 before 2.4.*.

  • 7.5 High severity

    Android: Buffer Copy without Checking Size of Input

    CVE-2026-0136Google

    In Modem, there is a possible out of bounds read due to a missing bounds check. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation.

  • 7.8 High severity

    Android: Out-of-bounds Read

    CVE-2026-0135Google

    In Modem, there is a possible out of bounds read due to a missing bounds check. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation.

  • 7.3 High severity

    Android: Out-of-bounds Read

    CVE-2026-0131Google

    In RtpPacket::decodePacket, there is a possible out of bounds access due to an integer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.

  • 9.1 Critical severity

    Socket: Out-of-bounds Read

    CVE-2026-12087Pevans

    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 argume

  • 7.1 High severity

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

    CVE-2026-53704Red Hat

    A flaw was found in GStreamer's RealMedia demuxer in the gst-plugins-ugly package. When processing a RealMedia file containing a specially crafted FILEINFO metadata section, the demuxer parses variable-name and variable-value pairs using re_skip_pascal_string(

  • 7.1 High severity

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

    CVE-2026-53703Red Hat

    A vulnerability was found in the GStreamer RealMedia demuxer (gst-plugins-ugly). When processing a RealMedia (.rm) file, the demuxer parses MDPR (media properties) chunks to configure audio streams. For audio stream header versions 4 and 5, the parser reads fi

  • 7.1 High severity

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

    CVE-2026-52719Red Hat

    An out-of-bounds read vulnerability was found in the VA JPEG decoder in GStreamer's gst-plugins-bad. The JPEG parser reads a segment length value from the bitstream without validating it against available data. A remote attacker could trick a user into opening

  • 8.2 High severity

    iso14229: Out-of-bounds Read

    CVE-2026-54413Driftregion

    driftregion iso14229 through 0.9.0 contains an integer underflow and downstream out-of-bounds read in the Handle_0x27_SecurityAccess function in iso14229.c that allows a remote unauthenticated attacker to crash a UDS server and potentially read memory past the

  • 8.2 High severity

    MQTT-C: Out-of-bounds Read

    CVE-2026-54412LiamBindle

    LiamBindle MQTT-C versions prior to 1.1.7 contain a heap-based out-of-bounds read and integer underflow in the mqtt_unpack_publish_response() function in src/mqtt.c. A remote unauthenticated attacker controlling an MQTT broker, or capable of injecting MQTT tra

  • 7.8 High severity

    Avira Antivirus: Out-of-bounds Read

    CVE-2025-9033Gen Digital

    Heap buffer out-of-bounds read vulnerability in Avira Antivirus engine when scanning a malformed PDF file may allow Local Execution of Code or Denial-of-Service of the antivirus engine process. This issue affects Avira Antivirus on Windows, macOS, and Linux fo

  • 7.8 High severity

    Avira Antivirus: Out-of-bounds Read

    CVE-2025-9032Gen Digital

    Heap buffer out-of-bounds read vulnerability in Avira Antivirus engine when scanning a malformed Windows PE file may allow Local Execution of Code or Denial-of-Service of the antivirus engine process. This issue affects Avira Antivirus on Windows, macOS, and L

  • 7.8 High severity

    Avira Antivirus: Out-of-bounds Read

    CVE-2025-7017Gen Digital

    Heap buffer out-of-bounds read vulnerability in Avira Antivirus engine when scanning a malformed Windows MSI file may allow Local Execution of Code or Denial-of-Service of the antivirus engine process. This issue affects Avira Antivirus on Windows, macOS, and

  • 7.8 High severity

    Avast Antivirus: Out-of-bounds Read

    CVE-2025-7011Gen Digital

    Heap out-of-bounds read vulnerability in Avast Antivirus when scanning a malformed zip file containing XML may allow Local Execution of Code or Denial-of-Service of the antivirus process. This issue affects Avast Antivirus, AVG Antivirus, Norton Antivirus, Ava

  • 7.8 High severity

    Avast Antivirus: Out-of-bounds Read

    CVE-2025-7009Gen Digital

    Heap buffer out-of-bounds read vulnerability in Avast Antivirus when scanning a malformed Windows PE file may allow Local Execution of Code or Denial-of-Service of the antivirus process. This issue affects Avast Antivirus, AVG Antivirus, Norton Antivirus, Avas

  • 7.8 High severity

    Avast Antivirus: Out-of-bounds Read

    CVE-2025-7008Gen Digital

    Heap buffer out-of-bounds read vulnerability in Avast Antivirus when scanning a malformed Windows PE file with .NET metadata may allow Local Execution of Code or Denial-of-Service of the antivirus process. This issue affects Avast Antivirus, AVG Antivirus, Nor

  • 7.8 High severity

    Avira Antivirus: Out-of-bounds Read

    CVE-2025-7003Gen Digital

    Heap buffer out-of-bounds read vulnerability in Avira Antivirus engine when scanning a malformed PDF file may allow Local Execution of Code or Denial-of-Service of the antivirus engine process. This issue affects Avira Antivirus on Windows, macOS, and Linux fo

  • 7.8 High severity

    Avira Antivirus: Out-of-bounds Read

    CVE-2025-7002Gen Digital

    Heap buffer out-of-bounds read vulnerability in Avira Antivirus engine when scanning a malformed PDF file may allow Local Execution of Code or Denial-of-Service of the antivirus engine process. This issue affects Avira Antivirus on Windows, macOS, and Linux fo

  • 8.2 High severity

    vim: Out-of-bounds Read

    CVE-2026-52859Vim

    Vim is an open source, command line text editor. Prior to version 9.2.0565, the update_snapshot() function in src/terminal.c copies the visible terminal screen into the scrollback buffer when a snapshot is taken. For each screen cell it walks the cell's chars[

  • 7.5 High severity

    OpenSSL: Out-of-bounds Read

    CVE-2026-9076OpenSSL

    Issue summary: When CMS password-based decryption (RFC 3211 / PWRI key unwrap) processes attacker-supplied CMS data, an attacker-chosen stream-mode KEK cipher can trigger a heap out-of-bounds read in kek_unwrap_key(). Impact summary: A heap buffer over-read ma

  • 7.5 High severity

    FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from…

    CVE-2026-49475Signalwire

    FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a software implementation that runs on any commodity hardware. Prior to version 1.11.0, a STUN packet whose declared attribute length is sho

  • 7.5 High severity

    OpenSSL: Out-of-bounds Read

    CVE-2026-34180OpenSSLEPSS 1.03%

    Issue summary: Parsing a crafted DER-encoded ASN.1 structure with a primitive element whose content exceeds 2 gigabytes in length may cause a heap buffer over-read on 64-bit Unix and Unix-like platforms. Impact summary: The heap buffer over-read may crash the

  • 7.5 High severity

    Chrome: Out-of-bounds Read

    CVE-2026-11690Google

    Out of bounds read and write in Media in Google Chrome on Mac prior to 149.0.7827.103 allowed a remote attacker who had compromised the renderer process to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)

  • 7.5 High severity

    Chrome: Out-of-bounds Read

    CVE-2026-11667Google

    Out of bounds read in WebRTC in Google Chrome prior to 149.0.7827.103 allowed a remote attacker who had compromised the GPU process to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

  • 8.8 High severity

    Google Chromium V8 Out-of-Bounds Read and Write Exploited

    CVE-2026-11645GoogleEPSS 2.44%

    Out of bounds read and write in V8 in Google Chrome prior to 149.0.7827.103 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)