Common Weakness Enumeration

CWE-787

Allowed-with-Review

Out-of-bounds Write

Abstraction: Base · Status: Draft

API response cwe.mitre.org

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

15099 vulnerabilities reference this CWE, most recent first.

CVE-2026-13592 (GCVE-0-2026-13592)

Vulnerability from cvelistv5 – Published: 2026-06-29 17:15 – Updated: 2026-07-01 14:09 X_Open Source
VLAI
Title
liftoff-sr CIPster EtherNet IP Message append out-of-bounds write
Summary
A vulnerability was detected in liftoff-sr CIPster up to e8e9dba09bf56962807d3504b783ccdb6287f3e4. Affected by this issue is the function BufWriter::append of the component EtherNet IP Message Handler. Performing a manipulation results in out-of-bounds write. Remote exploitation of the attack is possible. The exploit is now public and may be used. This product follows a rolling release approach for continuous delivery, so version details for affected or updated releases are not provided. The patch is named 3a0159ed43125dcd024a1965f0289cb186bae9ff. To fix this issue, it is recommended to deploy a patch.
Severity
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
7.3 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
7.3 (High)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
liftoff-sr CIPster Affected: e8e9dba09bf56962807d3504b783ccdb6287f3e4
    cpe:2.3:a:liftoff-sr:cipster:*:*:*:*:*:*:*:*
 Create a notification for this product.
Credits
Chuan Wei Carnegie (VulDB User) Carnegie (VulDB User)
Show details on NVD website
To clipboard 

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CVE-2026-13384 (GCVE-0-2026-13384)

Vulnerability from cvelistv5 – Published: 2026-07-02 23:05 – Updated: 2026-07-07 03:56
VLAI
Title
WatchGuard Firebox wgagent Out of Bounds Write Vulnerability
Summary
An Out-of-bounds Write vulnerability in WatchGuard Fireware OS wgagent process could allow an authenticated privileged user to execute arbitrary code via a specially crafted requests to the Management Web UI.This vulnerability affects Fireware OS 12.1 up to and including 12.12 and 2025.1 up to and including 2026.2.
Severity
8.6 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
WatchGuard Fireware OS Affected: 12.1 , ≤ 12.12 (semver)
Affected: 12.5 , ≤ 12.5.18 (semver)
Affected: 2025.1 , ≤ 2026.2 (semver)
Create a notification for this product.
Credits
Cody Sixteen
Show details on NVD website
To clipboard 

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CVE-2026-13383 (GCVE-0-2026-13383)

Vulnerability from cvelistv5 – Published: 2026-07-02 23:05 – Updated: 2026-07-07 03:56
VLAI
Title
WatchGuard Firebox ikestubd Out of Bounds Write Vulnerability
Summary
An Out-of-bounds Write vulnerability in WatchGuard Fireware OS ikestubd process could allow an authenticated privileged user to execute arbitrary code via a specially crafted requests to the Management Web UI.This vulnerability affects Fireware OS 12.1 up to and including 12.12 and 2025.1 up to and including 2026.2.
Severity
8.6 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
WatchGuard Fireware OS Affected: 12.1 , ≤ 12.12 (semver)
Affected: 12.5 , ≤ 12.5.18 (semver)
Affected: 2025.1 , ≤ 2026.2 (semver)
Create a notification for this product.
Credits
Cody Sixteen
Show details on NVD website
To clipboard 

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CVE-2026-13053 (GCVE-0-2026-13053)

Vulnerability from cvelistv5 – Published: 2026-07-02 23:08 – Updated: 2026-07-07 03:56
VLAI
Title
WatchGuard Firebox Authenticated Out of Bounds Write in Management CLI Command Handler
Summary
An Out-of-bounds Write vulnerability in WatchGuard Fireware OS's CLI could allow an authenticated privileged user to execute arbitrary code via a specially crafted CLI command. This vulnerability affects Fireware OS 11.0 up to and including 11.12.4_Update1, 12.0 up to and including 12.12 and 2025.1 up to and including 2026.2.
Severity
8.6 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
WatchGuard Fireware OS Affected: 11.0 , ≤ 11.12.4+541730 (semver)
Affected: 12.0 , ≤ 12.12 (semver)
Affected: 12.5 , ≤ 12.5.18 (semver)
Affected: 2025.1 , ≤ 2026.2 (semver)
Create a notification for this product.
Credits
Nicholas Zubrisky (@NZubrisky) of TrendAI Research
Show details on NVD website
To clipboard 

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CVE-2026-13050 (GCVE-0-2026-13050)

Vulnerability from cvelistv5 – Published: 2026-07-02 23:08 – Updated: 2026-07-07 03:56
VLAI
Title
WatchGuard Firebox networkd Out of Bounds Write Vulnerability
Summary
An Out-of-bounds Write vulnerability in WatchGuard Fireware OS networkd process could allow an authenticated privileged user to execute arbitrary code via a specially crafted requests to the Management Web UI.This vulnerability affects Fireware OS 11.8 up to and including 11.12.4_Update1, 12.0 up to and including 12.12 and 2025.1 up to and including 2026.2.
Severity
8.6 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
WatchGuard Fireware OS Affected: 11.8 , ≤ 11.12.4+541730 (semver)
Affected: 12.0 , ≤ 12.12 (semver)
Affected: 12.5 , ≤ 12.5.18 (semver)
Affected: 2025.1 , ≤ 2026.2 (semver)
Create a notification for this product.
Credits
Nicholas Zubrisky (@NZubrisky) of TrendAI Research
Show details on NVD website
To clipboard 

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CVE-2026-12844 (GCVE-0-2026-12844)

Vulnerability from cvelistv5 – Published: 2026-06-25 15:26 – Updated: 2026-06-25 19:35
VLAI
Title
List::SomeUtils::XS versions before 0.59 for Perl have a heap buffer overflow in the pairwise function
Summary
List::SomeUtils::XS versions before 0.59 for Perl have a heap buffer overflow in the pairwise function. pairwise() collects the values returned by the block into a heap buffer sized to the longer input array, then grows the buffer before each copy with a single quadrupling (alloc <<= 2) instead of a loop. A block call that returns more than four times the current allocation in one invocation outgrows that one quadrupling, and the copy writes past the end of the buffer. Any caller of pairwise() whose block returns, for a single pair, more than four times the longer input array's length writes past the buffer and corrupts the heap.
Severity
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 (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
DROLSKY List::SomeUtils::XS Affected: 0 , < 0.59 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-12528 (GCVE-0-2026-12528)

Vulnerability from cvelistv5 – Published: 2026-06-17 14:27 – Updated: 2026-06-17 18:12
VLAI
Title
389-ds-base: 389-ds-base: heap-buffer-overflows in __aclp__normalize_acltxt()
Summary
A flaw was found in 389 Directory Server in the __aclp__normalize_acltxt() function of aclparse.c. A malformed ACI (Access Control Instruction) string can trigger heap-buffer-overflow writes and reads during ACI parsing. The function fails to validate that the ACI keyword has sufficient length after whitespace stripping, leading to a 1-byte out-of-bounds write and subsequent out-of-bounds reads. An authenticated user with write access to the aci attribute could send a crafted ACI value to silently corrupt heap memory in the directory server process.
Severity
5.4 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Date Public
2026-06-03 13:09
Show details on NVD website
To clipboard 

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CVE-2026-11933 (GCVE-0-2026-11933)

Vulnerability from cvelistv5 – Published: 2026-06-12 01:57 – Updated: 2026-06-13 03:55
VLAI
Title
Post-authentication use-after-free in server-side JavaScript BSON-to-array conversion
Summary
A use-after-free vulnerability exists in MongoDB Server's server-side JavaScript engine when converting BSON documents to JavaScript arrays. An authenticated user with read privileges who is able to run server-side JavaScript (for example, via $where or $function) can cause the server to access memory that has already been freed. This may result in disclosure of information from the mongod process memory or a denial of service through a server crash.
Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
8.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
MongoDB MongoDB Affected: 8.3.0 , ≤ 8.3.3 (semver)
Affected: 8.2.0 , ≤ 8.2.10 (semver)
Affected: 8.0.0 , ≤ 8.0.25 (semver)
Affected: 7.0.0 , ≤ 7.0.36 (semver)
Affected: 6.0 , ≤ 6.0.28 (semver)
Affected: 5.0 , ≤ 5.0.33 (semver)
Affected: 4.4.0 , ≤ 4.4.30 (semver)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-11604 (GCVE-0-2026-11604)

Vulnerability from cvelistv5 – Published: 2026-06-10 21:04 – Updated: 2026-06-11 13:27
VLAI
Summary
An incorrect buffer size calculation in the epoch key generator in OpenVPN ovpn-dco-win version 2.0.0 through 2.8.3 allows a remote authenticated peer to trigger a heap-based buffer overflow and kernel memory corruption via a crafted data packet, resulting in a system crash (denial of service).
Severity
5.6 (Medium)
CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-131 - Incorrect calculation of buffer size
  • CWE-122 - Heap-based buffer overflow
  • CWE-787 - Out-of-bounds write
Assigner
References
Impacted products
Vendor Product Version
OpenVPN ovpn-dco-win Affected: 2.0.0 , ≤ 2.5.8 (semver)
Create a notification for this product.
Show details on NVD website
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CVE-2026-10879 (GCVE-0-2026-10879)

Vulnerability from cvelistv5 – Published: 2026-06-05 14:30 – Updated: 2026-06-08 16:55
VLAI
Title
DBI versions before 1.648 for Perl have a heap overflow when preparsing SQL statements with more than 9 binders
Summary
DBI versions before 1.648 for Perl have a heap overflow when preparsing SQL statements with more than 9 binders. The preparse method expands SQL placeholder characters to numbered binders of the form :pN, but only allocates three characters per binder in the buffer. Placeholders 10-99 require four characters, 100-999 require five characters, et cetera.
Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
HMBRAND DBI Affected: 0 , < 1.648 (custom)
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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2026-06-06T05:18:05.204Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "url": "http://www.openwall.com/lists/oss-security/2026/06/06/4"
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        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 9.8,
              "baseSeverity": "CRITICAL",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
              "version": "3.1"
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          },
          {
            "other": {
              "content": {
                "id": "CVE-2026-10879",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-06-08T16:54:58.795048Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
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        "providerMetadata": {
          "dateUpdated": "2026-06-08T16:55:27.339Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
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    "cna": {
      "affected": [
        {
          "collectionURL": "https://cpan.org/modules",
          "defaultStatus": "unaffected",
          "packageName": "DBI",
          "product": "DBI",
          "programFiles": [
            "DBI.xs"
          ],
          "repo": "https://github.com/perl5-dbi/dbi",
          "vendor": "HMBRAND",
          "versions": [
            {
              "lessThan": "1.648",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
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      "descriptions": [
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          "lang": "en",
          "value": "DBI versions before 1.648 for Perl have a heap overflow when preparsing SQL statements with more than 9 binders.\n\nThe preparse method expands SQL placeholder characters to numbered binders of the form :pN, but only allocates three characters per binder in the buffer.  Placeholders 10-99 require four characters, 100-999 require five characters, et cetera."
        }
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      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-787",
              "description": "CWE-787 (Out-of-bounds Write)",
              "lang": "en",
              "type": "CWE"
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      "providerMetadata": {
        "dateUpdated": "2026-06-05T14:30:58.497Z",
        "orgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
        "shortName": "CPANSec"
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      "references": [
        {
          "tags": [
            "release-notes"
          ],
          "url": "https://metacpan.org/release/HMBRAND/DBI-1.648/changes"
        },
        {
          "tags": [
            "patch"
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          "url": "https://github.com/perl5-dbi/dbi/commit/af79036c07aa9a457971c0f4136e37c85dc20978.patch"
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      ],
      "solutions": [
        {
          "lang": "en",
          "value": "Upgrade to DBI 1.648 or later."
        }
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      "source": {
        "discovery": "UNKNOWN"
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      "timeline": [
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          "lang": "en",
          "time": "2026-04-25T00:00:00.000Z",
          "value": "Issue reported to CPANSec."
        },
        {
          "lang": "en",
          "time": "2026-05-28T00:00:00.000Z",
          "value": "Commit fixed the issue in DBI."
        },
        {
          "lang": "en",
          "time": "2026-06-04T00:00:00.000Z",
          "value": "DBI 1.648 released."
        }
      ],
      "title": "DBI versions before 1.648 for Perl have a heap overflow when preparsing SQL statements with more than 9 binders",
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    "assignerShortName": "CPANSec",
    "cveId": "CVE-2026-10879",
    "datePublished": "2026-06-05T14:30:58.497Z",
    "dateReserved": "2026-06-04T16:34:48.978Z",
    "dateUpdated": "2026-06-08T16:55:27.339Z",
    "state": "PUBLISHED"
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  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
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Mitigation MIT-3
Requirements

Strategy: Language Selection

  • Use a language that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid.
  • For example, many languages that perform their own memory management, such as Java and Perl, are not subject to buffer overflows. Other languages, such as Ada and C#, typically provide overflow protection, but the protection can be disabled by the programmer.
  • Be wary that a language's interface to native code may still be subject to overflows, even if the language itself is theoretically safe.
Mitigation MIT-4.1
Architecture and Design

Strategy: Libraries or Frameworks

  • Use a vetted library or framework that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid.
  • Examples include the Safe C String Library (SafeStr) by Messier and Viega [REF-57], and the Strsafe.h library from Microsoft [REF-56]. These libraries provide safer versions of overflow-prone string-handling functions.
Mitigation MIT-10
Operation Build and Compilation

Strategy: Environment Hardening

  • Use automatic buffer overflow detection mechanisms that are offered by certain compilers or compiler extensions. Examples include: the Microsoft Visual Studio /GS flag, Fedora/Red Hat FORTIFY_SOURCE GCC flag, StackGuard, and ProPolice, which provide various mechanisms including canary-based detection and range/index checking.
  • D3-SFCV (Stack Frame Canary Validation) from D3FEND [REF-1334] discusses canary-based detection in detail.
Mitigation MIT-9
Implementation
  • Consider adhering to the following rules when allocating and managing an application's memory:
  • Double check that the buffer is as large as specified.
  • When using functions that accept a number of bytes to copy, such as strncpy(), be aware that if the destination buffer size is equal to the source buffer size, it may not NULL-terminate the string.
  • Check buffer boundaries if accessing the buffer in a loop and make sure there is no danger of writing past the allocated space.
  • If necessary, truncate all input strings to a reasonable length before passing them to the copy and concatenation functions.
Mitigation MIT-11
Operation Build and Compilation

Strategy: Environment Hardening

  • Run or compile the software using features or extensions that randomly arrange the positions of a program's executable and libraries in memory. Because this makes the addresses unpredictable, it can prevent an attacker from reliably jumping to exploitable code.
  • Examples include Address Space Layout Randomization (ASLR) [REF-58] [REF-60] and Position-Independent Executables (PIE) [REF-64]. Imported modules may be similarly realigned if their default memory addresses conflict with other modules, in a process known as "rebasing" (for Windows) and "prelinking" (for Linux) [REF-1332] using randomly generated addresses. ASLR for libraries cannot be used in conjunction with prelink since it would require relocating the libraries at run-time, defeating the whole purpose of prelinking.
  • For more information on these techniques see D3-SAOR (Segment Address Offset Randomization) from D3FEND [REF-1335].
Mitigation MIT-12
Operation

Strategy: Environment Hardening

  • Use a CPU and operating system that offers Data Execution Protection (using hardware NX or XD bits) or the equivalent techniques that simulate this feature in software, such as PaX [REF-60] [REF-61]. These techniques ensure that any instruction executed is exclusively at a memory address that is part of the code segment.
  • For more information on these techniques see D3-PSEP (Process Segment Execution Prevention) from D3FEND [REF-1336].
Mitigation MIT-13
Implementation

Replace unbounded copy functions with analogous functions that support length arguments, such as strcpy with strncpy. Create these if they are not available.

No CAPEC attack patterns related to this CWE.

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