Common Weakness Enumeration

CWE-125

Allowed

Out-of-bounds Read

Abstraction: Base · Status: Draft

API response cwe.mitre.org

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

11880 vulnerabilities reference this CWE, most recent first.

CVE-2026-66364 (GCVE-0-2026-66364)

Vulnerability from cvelistv5 – Published: 2026-07-30 22:33 – Updated: 2026-07-31 15:55
VLAI
Title
MZ Automation libiec61850 Out-of-bounds Read
Summary
The GOOSE payload parser contains a boundary handling flaw that can be triggered by a single unauthenticated Layer 2 multicast frame on the process bus. When processing specific payload fields, an attacker controlled inner element length may exceed its enclosing length, causing the parser to over read by one byte. This out-of-bounds read reliably terminates the subscriber process, resulting in a denial-of-service condition.
Severity
6.5 (Medium)
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.1 (High)
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-31 15:55 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version
MZ Automation GmbH libiec61850 Affected: 0 , < 1.6.2 (custom)
Unaffected: 1.6.2
Create a notification for this product.
Credits
Arun Babu of Central Power Research Institute reported this vulnerability to CISA.
Show details on NVD website
To clipboard 

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CVE-2026-66360 (GCVE-0-2026-66360)

Vulnerability from cvelistv5 – Published: 2026-07-30 22:25 – Updated: 2026-07-31 15:50
VLAI
Title
MZ Automation libiec61850 Out-of-bounds Read
Summary
The ISO Presentation layer contains a flaw in the handling of specific parameters during normal mode negotiation. A missing length check in the processing of the encoded presentation data allows an attacker controlled field with a zero length value to trigger a bounded heap over read. This condition occurs before MMS session establishment, a crafted TCP/102 connection attempt can trigger the issue. The resulting over read causes the process to terminate, leading to a denial of service condition.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
8.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-31 15:50 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version
MZ Automation GmbH libiec61850 Affected: 0 , < 1.6.2 (custom)
Unaffected: 1.6.2
Create a notification for this product.
Credits
Arun Babu of Central Power Research Institute reported this vulnerability to CISA.
Show details on NVD website
To clipboard 

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CVE-2026-66349 (GCVE-0-2026-66349)

Vulnerability from cvelistv5 – Published: 2026-07-30 22:31 – Updated: 2026-07-31 15:54
VLAI
Title
MZ Automation libiec61850 Out-of-bounds Read
Summary
The MMS server connection handler contains a flaw in its processing of BER-encoded request data. When an MMS confirmed request PDU containing an extended BER tag is received over an established session, the decoder may advance its internal buffer incorrectly due to a missing bounds check. This results in a one byte heap out-of-bounds read and causes the MMS service process to terminate, leading to a denial-of-service condition.
Severity
6.5 (Medium)
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
6.9 (Medium)
CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-31 15:53 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version
MZ Automation GmbH libiec61850 Affected: 0 , < 1.6.2 (custom)
Unaffected: 1.6.2
Create a notification for this product.
Credits
Arun Babu of Central Power Research Institute reported this vulnerability to CISA.
Show details on NVD website
To clipboard 

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CVE-2026-66337 (GCVE-0-2026-66337)

Vulnerability from cvelistv5 – Published: 2026-07-24 23:01 – Updated: 2026-07-27 16:01
VLAI
Title
Libsoup: libsoup: heap buffer over-read via integer underflow in soup_filter_input_stream_read_until()
Summary
A flaw was found in libsoup. An unsigned integer underflow in the soup_filter_input_stream_read_until() function causes a heap buffer over-read when parsing multipart HTTP responses. A malicious HTTP server can exploit this by sending a crafted multipart response, potentially causing the client application to crash or disclose sensitive heap memory.
Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-27 16:01 UTC
CWE
Assigner
References
URL Tags
https://access.redhat.com/security/cve/CVE-2026-66337 vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2506949 issue-trackingx_refsource_REDHAT
Impacted products
Date Public
2026-06-05 00:00
Credits
Upstream acknowledges cavid as the original reporter.
Show details on NVD website
To clipboard 

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CVE-2026-66151 (GCVE-0-2026-66151)

Vulnerability from cvelistv5 – Published: 2026-08-07 20:10 – Updated: 2026-08-11 19:29
VLAI
Summary
SonicWall Global VPN Client version 4.10.8.1108 and earlier is vulnerable to an out-of-bounds kernel memory read in the SWIPsec.sys driver, which could allow a local attacker to cause a system crash.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-11 19:29 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version
SonicWall Global VPN Client Affected: 4.10.8.1108 and earlier versions
Create a notification for this product.
Date Public
2026-08-07 20:05
Credits
Abhishek Kumar Singh
Show details on NVD website
To clipboard 

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CVE-2026-66034 (GCVE-0-2026-66034)

Vulnerability from cvelistv5 – Published: 2026-07-24 16:42 – Updated: 2026-07-28 01:06 X_Open Source
VLAI
Title
libssh2 Heap Out-of-Bounds Read via publickey subsystem
Summary
libssh2 through 1.11.1, fixed in commit a13bb6c, contains a missing bounds check vulnerability that allows a malicious SSH server to trigger an arbitrary-length heap out-of-bounds read and a free of an uninitialized pointer via the publickey subsystem. In libssh2_publickey_list_fetch(), the version 1 response parser reads a server-controlled comment_len value and advances the parse pointer without verifying sufficient bytes remain in the buffer, causing the out-of-bounds read to leak heap pointers from adjacent allocations defeating ASLR, followed by heap allocator state corruption when the error cleanup path frees an uninitialized pointer from a non-zeroed realloc() region.
Severity
7.7 (High)
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
7.5 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-24 00:00 UTC
CWE
  • CWE-125 - Out-of-bounds Read
  • CWE-908 - Use of Uninitialized Resource
Assigner
References
Impacted products
Vendor Product Version
libssh2 libssh2 Affected: 0 , ≤ 1.11.1 (semver)
Unaffected: a13bb6c773f0d55ad1628cede57e99803cd898d9 (git)
    cpe:2.3:a:libssh2:libssh2:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-07-04 00:00
Credits
VladimirEliTokarev
Show details on NVD website
To clipboard 

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CVE-2026-66033 (GCVE-0-2026-66033)

Vulnerability from cvelistv5 – Published: 2026-07-24 16:35 – Updated: 2026-07-28 01:06 X_Open Source
VLAI
Title
libssh2 Integer Underflow DoS via AES-GCM Cipher Negotiation
Summary
libssh2 through 1.11.1, fixed in commit a2ed82d, contains a pre-authentication integer underflow vulnerability in the ssh2_cipher_crypt() function in src/openssl.c that allows a malicious SSH server to crash any connecting client by negotiating AES-GCM ciphers during handshake. Attackers can exploit the underflow in the expression computing blocksize minus aadlen minus authentication tag length to trigger an out-of-bounds read and a memcpy call with a near-SIZE_MAX length argument, causing immediate process crash before any authentication occurs.
Severity
8.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-27 16:15 UTC
CWE
  • CWE-191 - Integer Underflow (Wrap or Wraparound)
  • CWE-125 - Out-of-bounds Read
Assigner
References
Impacted products
Vendor Product Version
libssh2 libssh2 Affected: 0 , ≤ 1.11.1 (semver)
Unaffected: a2ed82d40964bbc0d64cd717aa0a5a892117d2e6 (git)
    cpe:2.3:a:libssh2:libssh2:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-07-23 00:00
Credits
VladimirEliTokarev
Show details on NVD website
To clipboard 

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CVE-2026-65979 (GCVE-0-2026-65979)

Vulnerability from cvelistv5 – Published: 2026-08-25 18:58 – Updated: 2026-08-25 19:16
VLAI
Title
OpenEXR: Out-of-bounds read in HTJ2K decoder from unvalidated chunk header length (PLEN)
Summary
OpenEXR is the reference implementation and specification for the EXR image format, widely used in the motion picture industry. From version 3.4.0 through 3.4.12, the HTJ2K decoder parses a header-length field (PLEN) from a chunk's compressed data but never checks that this value fits within the available buffer before using it. When decoding, it advances the codestream pointer by the attacker-supplied header size and passes the resulting offset and remaining length to the OpenJPH memory-input path, so a crafted value pushes the pointer past the end of the buffer and causes an out-of-bounds read. Because this field comes straight from attacker-controlled EXR chunk data, the flaw is reachable during normal decoding of an untrusted file. This issue is fixed in version 3.4.13.
Severity
6.7 (Medium)
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-25 19:16 UTC
CWE
  • CWE-20 - Improper Input Validation
  • CWE-125 - Out-of-bounds Read
Assigner
References
Impacted products
Vendor Product Version
AcademySoftwareFoundation openexr Affected: >= 3.4.0, < 3.4.13
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-65918 (GCVE-0-2026-65918)

Vulnerability from cvelistv5 – Published: 2026-07-23 17:36 – Updated: 2026-07-24 21:35 X_Open Source
VLAI
Title
PyTorch torchvision GIF Decoder Out-of-bounds Heap Read
Summary
PyTorch torchvision through 0.28.0, fixed in commit 4e05dc2, contains an out-of-bounds heap read vulnerability in the GIF decoder's read_from_tensor callback that passes unclamped length to memcpy. Attackers can supply malicious or truncated GIF files to cause denial of service via segmentation fault or disclose adjacent heap memory contents.
Severity
7.1 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N
7.1 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-23 18:11 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version
pytorch vision Affected: 0 , ≤ 0.28.0 (semver)
Unaffected: 4e05dc22f5f050a9528cc0ea09ceca6cdaf8f4ed (git)
Create a notification for this product.
Date Public
2026-07-13 00:00
Credits
George Chen
Show details on NVD website
To clipboard 

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CVE-2026-65832 (GCVE-0-2026-65832)

Vulnerability from cvelistv5 – Published: 2026-08-17 20:59 – Updated: 2026-08-18 15:40
VLAI
Title
Deskflow - Unauthenticated server-controlled out-of-bounds read in ServerProxy::setOptions / translateKey modifier-table indexing
Summary
Deskflow is a keyboard and mouse sharing app. Prior to continuous build 1.26.0.299, a remote unauthenticated Deskflow server can send kMsgDSetOptions (DSOP) values to ServerProxy::setOptions() in src/lib/client/ServerProxy.cpp so that the value following a modifier option poisons m_modifierTranslationTable, after which ServerProxy::translateKey() or ServerProxy::translateModifierMask() indexes the seven-row s_translationTable or s_masks arrays out of bounds, disclosing four bytes at an attacker-selected relative offset or crashing the connected client; an odd option count also causes an out-of-bounds OptionsList read. This issue is fixed in continuous build 1.26.0.299.
Severity
8.2 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-18 15:39 UTC
CWE
  • CWE-125 - Out-of-bounds Read
  • CWE-129 - Improper Validation of Array Index
Assigner
References
Impacted products
Vendor Product Version
deskflow deskflow Affected: < 1.26.0.299
Create a notification for this product.
Show details on NVD website
To clipboard 

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      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-125",
              "description": "CWE-125: Out-of-bounds Read",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-129",
              "description": "CWE-129: Improper Validation of Array Index",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-17T20:59:08.714Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/deskflow/deskflow/security/advisories/GHSA-8rcq-7w87-h64j",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/deskflow/deskflow/security/advisories/GHSA-8rcq-7w87-h64j"
        },
        {
          "name": "https://github.com/deskflow/deskflow/commit/205a3c803e5298d56683660736ec1a41b671b56e",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/deskflow/deskflow/commit/205a3c803e5298d56683660736ec1a41b671b56e"
        },
        {
          "name": "https://github.com/deskflow/deskflow/commit/8266fbbe6af93fa370018886c7f1f35d2cee8b3f",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/deskflow/deskflow/commit/8266fbbe6af93fa370018886c7f1f35d2cee8b3f"
        }
      ],
      "source": {
        "advisory": "GHSA-8rcq-7w87-h64j",
        "discovery": "UNKNOWN"
      },
      "title": "Deskflow - Unauthenticated server-controlled out-of-bounds read in ServerProxy::setOptions / translateKey modifier-table indexing"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-65832",
    "datePublished": "2026-08-17T20:59:08.714Z",
    "dateReserved": "2026-07-22T23:16:47.753Z",
    "dateUpdated": "2026-08-18T15:40:26.686Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}
Mitigation MIT-5
Implementation

Strategy: Input Validation

  • 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.
Mitigation
Architecture and Design

Strategy: Language Selection

Use a language that provides appropriate memory abstractions.

CAPEC-540: Overread Buffers

An adversary attacks a target by providing input that causes an application to read beyond the boundary of a defined buffer. This typically occurs when a value influencing where to start or stop reading is set to reflect positions outside of the valid memory location of the buffer. This type of attack may result in exposure of sensitive information, a system crash, or arbitrary code execution.

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