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.
15089 vulnerabilities reference this CWE, most recent first.
CVE-2026-57876 (GCVE-0-2026-57876)
Vulnerability from cvelistv5 – Published: 2026-06-26 07:17 – Updated: 2026-06-26 15:40
VLAI
EPSS
VEX
Title
GV-LPC2011/LPC2211 - unauthorized out-of-bounds writing vulnerability (onvif.cgi)
Summary
An unauthenticated
out-of-bounds write vulnerability exists in onvif.cgi in GeoVision GV-LPC2011
and GV-LPC2211 V1.12 and earlier. The vulnerability is caused by insufficient
bounds checking when processing HTTP request body data. A remote attacker may
exploit this vulnerability by sending a crafted request with excessive input,
causing memory corruption and resulting in a denial of service.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
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 | |
|---|---|---|---|
| GeoVision Inc. | GV-LPCLPC2011/2211 |
Affected:
1.12
Unaffected: 1.13 |
Date Public
2026-06-26 02:55
Credits
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CVE-2026-57455 (GCVE-0-2026-57455)
Vulnerability from cvelistv5 – Published: 2026-06-25 15:22 – Updated: 2026-06-25 23:30
VLAI
EPSS
VEX
Title
Vim: Stack out-of-bounds write in `spell_soundfold_sofo()` via an over-length `soundfold()` argument
Summary
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Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/vim/vim/security/advisories/GH… | x_refsource_CONFIRM |
| https://github.com/vim/vim/commit/497f931f85339d1… | x_refsource_MISC |
| https://github.com/vim/vim/releases/tag/v9.2.0698 | x_refsource_MISC |
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CVE-2026-57260 (GCVE-0-2026-57260)
Vulnerability from cvelistv5 – Published: 2026-07-08 07:35 – Updated: 2026-07-08 12:47
VLAI
EPSS
VEX
Title
Security vulnerability in Foxit PDF Editor/Reader — U3D Adobe Mesh Decompression (Type Confusion / Invalid Pointer Dereference)
Summary
The application opened a PDF file containing an abnormal Unity 3D object. During parsing, the application incorrectly resolved a portion of the abnormal object as a pointer and used it as a valid address, ultimately causing the application to crash.
Severity
7.8 (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
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| Foxit Software Inc. | Foxit PDF Editor |
Affected:
Versions 2026.1.1 and earlier
Affected: Versions 14.0.4 and earlier Affected: Versions 13.2.4 and earlier |
|
| Foxit Software Inc. | Foxit PDF Editor |
Affected:
Versions 2026.1.1 and earlier
Affected: Versions 14.0.3 and earlier Affected: Versions 13.2.3 and earlier |
|
| Foxit Software Inc. | Foxit PDF Reader |
Affected:
Versions 2026.1.1 and earlier
|
Credits
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CVE-2026-57021 (GCVE-0-2026-57021)
Vulnerability from cvelistv5 – Published: 2026-07-09 21:05 – Updated: 2026-07-10 14:28
VLAI
EPSS
VEX
Title
Junos OS: SRX Series: If VPN compliance-check is configured an attacker can cause http-gk process crash
Summary
An Out-of-bounds Write vulnerability in the http-gatekeeper (http-gk) of Juniper Networks Junos OS on SRX Series allows an unauthenticated, network-based attacker to cause a Denial-of-Service (DoS).
If an SRX Series device is configured for remote-access VPN with pre-logon compliance check, a network-based attacker sending specifically formatted requests can trigger an out of bounds write leading to an http-gk process crash. This crash leads to unavailability of all services depending on the [ system services web-management ] configuration (like J-Web, remote access VPN and firewall authentication) until the process automatically restarts.
This issue affects Junos OS on SRX Series:
* 23.2 versions before 23.2R2-S7,
* 23.4 versions before 23.4R2-S8,
* 24.2 versions before 24.2R2-S4,
* 24.4 versions before 24.4R2-S4,
* 25.2 versions before 25.2R2,
* 25.4 versions before 25.4R1-S1, 25.4R2.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://supportportal.juniper.net/JSA110081 | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Juniper Networks | Junos OS |
Affected:
23.2 , < 23.2R2-S7
(custom)
Affected: 23.4 , < 23.4R2-S8 (custom) Affected: 24.2 , < 24.2R2-S4 (custom) Affected: 24.4 , < 24.4R2-S4 (custom) Affected: 25.2 , < 25.2R2 (custom) Affected: 25.4 , < 25.4R1-S1, 25.4R2 (custom) |
Date Public
2026-07-08 16:00
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CVE-2026-56786 (GCVE-0-2026-56786)
Vulnerability from cvelistv5 – Published: 2026-06-25 18:11 – Updated: 2026-07-14 21:34 X_Open Source
VLAI
EPSS
VEX
Title
RTKLIB 2.4.3 - Out-of-bounds Write in decode_type1033 via Crafted RTCM3 Message
Summary
RTKLIB through 2.4.3 contains an out-of-bounds write vulnerability in decode_type1033 function that fails to clamp length counters to destination buffer size, allowing up to 191-byte overflow into fixed 64-byte descriptor fields. An attacker controlling an NTRIP or serial RTCM3 correction stream can craft a valid CRC-bearing type-1033 message to corrupt adjacent rtcm_t object members, potentially achieving arbitrary code execution or denial of service.
Severity
9.8 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/tomojitakasu/RTKLIB/issues/799 | technical-descriptionexploit |
| https://www.vulncheck.com/advisories/rtklib-out-o… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| tomojitakasu | RTKLIB |
Affected:
0 , ≤ 2.4.3
(semver)
|
Date Public
2026-06-09 00:00
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CVE-2026-56211 (GCVE-0-2026-56211)
Vulnerability from cvelistv5 – Published: 2026-06-19 16:28 – Updated: 2026-07-15 00:42
VLAI
EPSS
VEX
Title
Libaom: libaom: remote code execution via svc layer context handling with attacker-controlled frames
Summary
A remote code execution vulnerability was found in libaom, the reference AV1 codec implementation. Insufficient bounds validation in the AV1 encoder's SVC (Scalable Video Coding) layer ID control allows an attacker to supply crafted video frame pixels that overlap with internal encoder layer context structures. In fork-based video processing services, an attacker can use this to hijack the cyclic refresh map pointer, brute-force the process base address via a crash oracle, and redirect control flow to achieve arbitrary command execution. Exploitation requires the target service to use libaom with SVC encoding enabled and accept attacker-supplied video frames.
Severity
7.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://access.redhat.com/errata/RHSA-2026:30814 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/security/cve/CVE-2026-56211 | vdb-entryx_refsource_REDHAT |
| https://aomedia.googlesource.com/aom/+/a93ba0ffaa | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2490802 | issue-trackingx_refsource_REDHAT |
| https://issues.chromium.org/issues/503993985 | |
| https://security.access.redhat.com/data/csaf/v2/v… | x_sadp-csaf-vex |
Impacted products
6 products
| Vendor | Product | Version | |
|---|---|---|---|
| Red Hat | Red Hat Hardened Images |
Unaffected:
3.14.0-0.1.hum1 , < *
(rpm)
cpe:/a:redhat:hummingbird:1 |
|
| Red Hat | Red Hat AI Inference Server |
cpe:/a:redhat:ai_inference_server:3 |
|
| Red Hat | Red Hat Enterprise Linux 10 |
cpe:/o:redhat:enterprise_linux:10 |
|
| Red Hat | Red Hat Enterprise Linux 9 |
cpe:/o:redhat:enterprise_linux:9 |
|
| 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
2026-06-19 00:00
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CVE-2026-56209 (GCVE-0-2026-56209)
Vulnerability from cvelistv5 – Published: 2026-06-19 16:28 – Updated: 2026-07-15 00:42
VLAI
EPSS
VEX
Title
Libaom: libaom: arbitrary address write via svc layer context oob and cyclic refresh map pointer hijack
Summary
An arbitrary address write 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 an attacker to inject an arbitrary pointer into the cyclic refresh map field via crafted image pixel values. The encoder then writes approximately 1,200 bytes at the attacker-controlled address. This is fully deterministic and does not require a separate information leak. An attacker who can supply frames to a network-facing libaom encoder with SVC enabled could exploit this for denial of service or potential code execution.
Severity
7.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://access.redhat.com/errata/RHSA-2026:30814 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/security/cve/CVE-2026-56209 | vdb-entryx_refsource_REDHAT |
| https://aomedia.googlesource.com/aom/+/a93ba0ffaa | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2490800 | issue-trackingx_refsource_REDHAT |
| https://issues.chromium.org/issues/503993984 | |
| https://security.access.redhat.com/data/csaf/v2/v… | x_sadp-csaf-vex |
Impacted products
6 products
| Vendor | Product | Version | |
|---|---|---|---|
| Red Hat | Red Hat Hardened Images |
Unaffected:
3.14.0-0.1.hum1 , < *
(rpm)
cpe:/a:redhat:hummingbird:1 |
|
| Red Hat | Red Hat AI Inference Server |
cpe:/a:redhat:ai_inference_server:3 |
|
| Red Hat | Red Hat Enterprise Linux 10 |
cpe:/o:redhat:enterprise_linux:10 |
|
| Red Hat | Red Hat Enterprise Linux 9 |
cpe:/o:redhat:enterprise_linux:9 |
|
| 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
2026-06-19 00:00
Credits
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CVE-2026-56114 (GCVE-0-2026-56114)
Vulnerability from cvelistv5 – Published: 2026-06-23 16:08 – Updated: 2026-07-14 21:34 X_Open Source
VLAI
EPSS
VEX
Title
dhcpcd Stack Out-of-Bounds Write in dhcp6_makemessage()
Summary
dhcpcd through 10.3.2, fixed in commit 2f00c7b, contains a one-byte stack out-of-bounds write vulnerability in dhcp6_makemessage() in src/dhcp6.c that allows unauthenticated same-link attackers to write beyond a fixed local buffer by serializing an oversized RFC6603 OPTION_PD_EXCLUDE option body. Attackers can send a crafted DHCPv6 ADVERTISE message containing an IA_PD IAPREFIX /0 with a valid OPTION_PD_EXCLUDE using an exclude prefix length of /121 through /128 to trigger the out-of-bounds write and potentially corrupt adjacent stack memory.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/NetworkConfiguration/dhcpcd/co… | patch |
| https://www.vulncheck.com/advisories/dhcpcd-stack… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| NetworkConfiguration | dhcpcd |
Affected:
0 , ≤ 10.3.2
(semver)
Unaffected: 2f00c7bfc408b6582d331932dfa47829c4819029 (git) |
Date Public
2026-06-22 00:00
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CVE-2026-55958 (GCVE-0-2026-55958)
Vulnerability from cvelistv5 – Published: 2026-06-25 19:35 – Updated: 2026-06-26 13:58
VLAI
EPSS
VEX
Title
Renesas TSIP TLS 1.3 transcript buffer out-of-bounds write in tsip_StoreMessage
Summary
Out-of-bounds write in the Renesas TSIP TLS 1.3 transcript buffer. In tsip_StoreMessage() the capacity check guarding the fixed message bag (MSGBAG_SIZE) sets an error code but fails to return, so execution falls through to an XMEMCPY that writes past the end of the buffer once the accumulated TLS 1.3 handshake transcript exceeds MSGBAG_SIZE (8 KB), corrupting adjacent heap state and potentially causing a remote denial of service crash. The bag is sized to hold a normal handshake, so this is reached only by an unusually large but valid certificate chain, or by a malicious or man-in-the-middle server sending an oversized handshake message to a client that does not strictly verify the chain. This only affects builds using the Renesas TSIP TLS port (WOLFSSL_RENESAS_TSIP_TLS) as a TLS 1.3 client on Renesas MCUs with TSIP hardware enabled, and is rated High within those builds. All other configurations are unaffected.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
2 references
Impacted products
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CVE-2026-55892 (GCVE-0-2026-55892)
Vulnerability from cvelistv5 – Published: 2026-06-25 15:32 – Updated: 2026-06-26 18:43
VLAI
EPSS
VEX
Title
Vim: Out-of-bounds Write in Spell File Prefix Dump
Summary
Vim is an open source, command line text editor. Prior to 9.2.0662, the dump_prefixes() function in src/spell.c walks a spell-file prefix trie iteratively with a depth counter while dumping the prefixes that apply to a word. The counter is bounded only by the trie structure itself; it is never checked against the size of the fixed MAXWLEN-element stack arrays it indexes (prefix[], arridx[], curi[]). A crafted .spl file, loaded when the user dumps the word list, can drive the descent arbitrarily deep, so the function writes past the end of those arrays. This is a stack out-of-bounds write that corrupts the call frame and crashes the editor. This vulnerability is fixed in 9.2.0662.
Severity
5.5 (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
| URL | Tags |
|---|---|
| https://github.com/vim/vim/security/advisories/GH… | x_refsource_CONFIRM |
| https://github.com/vim/vim/commit/8325b193bba5f01… | x_refsource_MISC |
| https://github.com/vim/vim/releases/tag/v9.2.0662 | x_refsource_MISC |
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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.