Common Weakness Enumeration
CWE-787
Allowed-with-ReviewOut-of-bounds Write
Abstraction: Base · Status: Draft
The product writes data past the end, or before the beginning, of the intended buffer.
15106 vulnerabilities reference this CWE, most recent first.
CVE-2026-10046 (GCVE-0-2026-10046)
Vulnerability from cvelistv5 – Published: 2026-06-02 14:16 – Updated: 2026-06-02 16:06 Unsupported When Assigned
VLAI
EPSS
VEX
Title
Out-of-bounds write in Napoca BIOS INT 0x15 E820 memory map handler (VA-13905)
Summary
Bitdefender Napoca bare-metal hypervisor contains an out-of-bounds write vulnerability in the BIOS INT 0x15 / E820 memory map handler, implemented in napoca/guests/bios_handlers.c. The handler computes a destination offset into the guest RealModeMemory buffer from guest-controlled ES and EDI register values without validating that the resulting address remains within the 1MB RealModeMemory allocation. A malicious guest operating in real mode can trigger the issue by invoking INT 0x15 with AX=0xE820, EDX=0x534D4150, ECX greater than or equal to 20, EBX=0, ES=0xFFFF, and EDI=0xFFFF. This can cause a write of up to 20 bytes past the end of the RealModeMemory buffer into the hypervisor heap. The product is end-of-life and unsupported when assigned.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Bitdefender | Napoca bare-metal hypervisor |
Affected:
all
|
Date Public
2026-05-29 06:02
Credits
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CVE-2026-9698 (GCVE-0-2026-9698)
Vulnerability from cvelistv5 – Published: 2026-06-09 07:22 – Updated: 2026-07-16 12:04
VLAI
EPSS
VEX
Title
DBI versions before 1.648 for Perl saved errors in a limited-sized buffer
Summary
DBI versions before 1.648 for Perl saved errors in a limited-sized buffer.
Error messages that were returned when RaiseError, PrintError or HandleError were set were written to a 200-byte buffer without a length limit.
Attackers that can influence the error text in an application can trigger a buffer overflow.
Severity
7.5 (High)
8.2 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
9 references
| URL | Tags |
|---|---|
| https://metacpan.org/release/HMBRAND/DBI-1.648/changes | release-notes |
| https://github.com/perl5-dbi/dbi/commit/bfe5d73c1… | patch |
| http://www.openwall.com/lists/oss-security/2026/06/09/9 | |
| https://access.redhat.com/security/cve/CVE-2026-9698 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2486734 | issue-trackingx_refsource_REDHAT |
| https://security.access.redhat.com/data/csaf/v2/v… | x_sadp-csaf-vex |
| https://access.redhat.com/errata/RHSA-2026:38513 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:38901 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:38512 | vendor-advisoryx_refsource_REDHAT |
Impacted products
7 products
| Vendor | Product | Version | |
|---|---|---|---|
| HMBRAND | DBI |
Affected:
0 , < 1.648
(custom)
|
|
| Red Hat | Red Hat Enterprise Linux 10 |
Unaffected:
0:1.643-26.el10_2.1 , < *
(rpm)
cpe:/o:redhat:enterprise_linux:10.2 |
|
| Red Hat | Red Hat Enterprise Linux 8 |
Unaffected:
8100020260624081239.69ef70f8 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:8 |
|
| Red Hat | Red Hat Enterprise Linux 9 |
Unaffected:
0:1.643-9.el9_8.1 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:9 |
|
| Red Hat | Red Hat Enterprise Linux 6 |
cpe:/o:redhat:enterprise_linux:6 |
|
| Red Hat | Red Hat Enterprise Linux 7 |
cpe:/o:redhat:enterprise_linux:7 |
|
| Red Hat | Red Hat Enterprise Linux 8 |
cpe:/o:redhat:enterprise_linux:8 |
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CVE-2026-8916 (GCVE-0-2026-8916)
Vulnerability from cvelistv5 – Published: 2026-06-04 09:44 – Updated: 2026-06-08 23:17
VLAI
EPSS
VEX
Summary
Out-of-bounds write vulnerability in Samsung Open Source rlottie allows Overflow Buffers.
This issue affects rlottie: before dcfde72eae1b0464dc0dd760aec00ada6a148635.
Severity
6.1 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-787 - Out-of-bounds write
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Samsung Open Source | rlottie |
Unaffected:
dcfde72eae1b0464dc0dd760aec00ada6a148635
|
Credits
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CVE-2026-8915 (GCVE-0-2026-8915)
Vulnerability from cvelistv5 – Published: 2026-05-28 00:02 – Updated: 2026-05-28 13:11
VLAI
EPSS
VEX
Summary
Out-of-bounds write vulnerability in Samsung Open Source Escargot allows Overflow Buffers.
This issue affects Escargot: 36f5fb58366a67b713c02f6fd985e924fcc09e31.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-787 - Out-of-bounds write
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Samsung Open Source | Escargot |
Affected:
36f5fb58366a67b713c02f6fd985e924fcc09e31
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CVE-2026-8669 (GCVE-0-2026-8669)
Vulnerability from cvelistv5 – Published: 2026-05-15 13:31 – Updated: 2026-05-15 21:23
VLAI
EPSS
VEX
Title
Imager versions through 1.030 for Perl allow a heap out of bounds (OOB) write on crafted multi-frame GIF files
Summary
Imager versions through 1.030 for Perl allow a heap out of bounds (OOB) write on crafted multi-frame GIF files.
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Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
3 references
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CVE-2026-8507 (GCVE-0-2026-8507)
Vulnerability from cvelistv5 – Published: 2026-05-17 18:43 – Updated: 2026-05-18 12:55
VLAI
EPSS
VEX
Title
Crypt::OpenSSL::PKCS12 versions through 1.94 for Perl have out-of-bounds (OOB) write flaws
Summary
Crypt::OpenSSL::PKCS12 versions through 1.94 for Perl have out-of-bounds (OOB) write flaws.
When parsing a PKCS12 file, with a >= 1 GiB OCTET STRING (or BIT STRING) attribute on a SAFEBAG, via info() or info_as_hash(), a heap out-of-bounds write would be triggered with remote-code-execution potential (RCE) due to a signed integer overflow in the size calculation passed to Renew().
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
5 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| JONASBN | Crypt::OpenSSL::PKCS12 |
Affected:
0 , ≤ 1.94
(custom)
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CVE-2026-8461 (GCVE-0-2026-8461)
Vulnerability from cvelistv5 – Published: 2026-06-18 11:29 – Updated: 2026-07-15 00:39
VLAI
EPSS
VEX
Title
Heap out-of-bounds write via odd slice_height in FFmpeg MagicYUV decoder
Summary
An out-of-bounds write vulnerability in FFmpeg's libavcodec library, specifically in the MagicYUV decoder, allows denial-of-service and, in some cases, can be exploited for remote code execution.
This vulnerability is associated with the file libavcodec/magicyuv.C.
This issue affects FFmpeg before version 8.1.2.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/23159 | |
| https://access.redhat.com/security/cve/CVE-2026-8461 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2490308 | issue-trackingx_refsource_REDHAT |
| https://security.access.redhat.com/data/csaf/v2/v… | x_sadp-csaf-vex |
Impacted products
4 products
| Vendor | Product | Version | |
|---|---|---|---|
| FFmpeg | FFmpeg |
Affected:
0 , < 8.1.2
(custom)
|
|
| Red Hat | Red Hat AI Inference Server |
cpe:/a:redhat:ai_inference_server:3 |
|
| Red Hat | Red Hat Enterprise Linux AI (RHEL AI) 3 |
cpe:/a:redhat:enterprise_linux_ai:3 |
|
| Red Hat | Red Hat OpenShift AI (RHOAI) |
cpe:/a:redhat:openshift_ai |
Date Public
2026-06-18 11:14
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CVE-2026-8454 (GCVE-0-2026-8454)
Vulnerability from cvelistv5 – Published: 2026-05-15 10:57 – Updated: 2026-05-15 21:23
VLAI
EPSS
VEX
Title
Imager::File::GIF versions through 1.002 for Perl allow a heap out of bounds (OOB) write on crafted multi-frame GIF files
Summary
Imager::File::GIF versions through 1.002 for Perl allow a heap out of bounds (OOB) write on crafted multi-frame GIF files.
Imager::File::GIF's i_readgif_multi_low allocates a single per-row buffer GifRow sized for the GIF's global screen width 'SWidth' and reuses it across every image in the file.
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Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
3 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| TONYC | Imager::File::GIF |
Affected:
0 , ≤ 1.002
(custom)
|
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CVE-2026-8358 (GCVE-0-2026-8358)
Vulnerability from cvelistv5 – Published: 2026-06-15 16:24 – Updated: 2026-06-16 19:27
VLAI
EPSS
VEX
Title
Heap buffer overflow in spreadsheet tracked-changes import
Summary
LibreOffice Calc can import tracked changes from a spreadsheet document. A heap buffer overflow existed when a document reused the same change identifier for two different kinds of change. The importer then treated one change object as a different, larger type and wrote past the end of its allocation. In fixed versions records with a duplicate identifier are rejected.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| The Document Foundation | LibreOffice |
Affected:
25.8 , < < 25.8.7
(26.2 series)
Affected: 26.2 , < < 26.2.4 (26.2 series) |
Date Public
2026-06-15 00:00
Credits
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CVE-2026-8357 (GCVE-0-2026-8357)
Vulnerability from cvelistv5 – Published: 2026-06-15 16:23 – Updated: 2026-07-15 00:39
VLAI
EPSS
VEX
Title
Heap buffer overflow in Calc formula compilation
Summary
LibreOffice Calc compiles cell formulas when opening a spreadsheet. A heap buffer overflow existed when compiling a very long formula made up of many opening tokens. The array that tracks nesting depth was allocated one element too small for that worst case, so such a formula wrote one element past its end. In fixed versions the array is sized to hold the largest possible nesting.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://www.libreoffice.org/about-us/security/adv… | |
| https://access.redhat.com/security/cve/CVE-2026-8357 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2488964 | issue-trackingx_refsource_REDHAT |
| https://security.access.redhat.com/data/csaf/v2/v… | x_sadp-csaf-vex |
| https://access.redhat.com/errata/RHSA-2026:35839 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:36832 | vendor-advisoryx_refsource_REDHAT |
Impacted products
5 products
| Vendor | Product | Version | |
|---|---|---|---|
| The Document Foundation | LibreOffice |
Affected:
26.2 , < < 26.2.4
(26.2 series)
|
|
| Red Hat | Red Hat Enterprise Linux 8 |
Unaffected:
1:6.4.7.2-21.el8_10 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:8 |
|
| Red Hat | Red Hat Enterprise Linux 9 |
Unaffected:
1:7.1.8.1-15.el9_8.2 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:9 |
|
| Red Hat | Red Hat Enterprise Linux 6 |
cpe:/o:redhat:enterprise_linux:6 |
|
| Red Hat | Red Hat Enterprise Linux 7 |
cpe:/o:redhat:enterprise_linux:7 |
Date Public
2026-06-15 00:00
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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.