CWE-787
Out-of-bounds Write
The product writes data past the end, or before the beginning, of the intended buffer.
CVE-2026-3548 (GCVE-0-2026-3548)
Vulnerability from cvelistv5 – Published: 2026-03-19 17:45 – Updated: 2026-03-19 18:00
VLAI
Title
Buffer overflow in CRL number parsing in wolfSSL
Summary
Two buffer overflow vulnerabilities existed in the wolfSSL CRL parser when parsing CRL numbers: a heap-based buffer overflow could occur when improperly storing the CRL number as a hexadecimal string, and a stack-based overflow for sufficiently sized CRL numbers. With appropriately crafted CRLs, either of these out of bound writes could be triggered. Note this only affects builds that specifically enable CRL support, and the user would need to load a CRL from an untrusted source.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
Assigner
References
2 references
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CVE-2026-35559 (GCVE-0-2026-35559)
Vulnerability from cvelistv5 – Published: 2026-04-03 20:13 – Updated: 2026-04-07 14:25
VLAI
Title
Out-of-bounds write in query processing components in Amazon Athena ODBC driver
Summary
Out-of-bounds write in the query processing components in Amazon Athena ODBC driver before 2.1.0.0 might allow a threat actor to crash the driver by using specially crafted data that is processed by the driver during query operations.
To remediate this issue, users should upgrade to version 2.1.0.0.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-787 - Out-of-bounds write
Assigner
References
6 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Amazon | Amazon Athena ODBC driver |
Unaffected:
2.1.0.0
|
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CVE-2026-3703 (GCVE-0-2026-3703)
Vulnerability from cvelistv5 – Published: 2026-03-08 04:32 – Updated: 2026-03-10 14:00
VLAI
Title
Wavlink NU516U1 login.cgi sub_401A10 out-of-bounds write
Summary
A flaw has been found in Wavlink NU516U1 251208. This affects the function sub_401A10 of the file /cgi-bin/login.cgi. Executing a manipulation of the argument ipaddr can lead to out-of-bounds write. The attack may be performed from remote. The exploit has been published and may be used. Upgrading the affected component is recommended. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.
Severity
9.8 (Critical)
9.8 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.349649 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.349649 | signaturepermissions-required |
| https://vuldb.com/?submit.759226 | third-party-advisory |
| https://github.com/Wlz1112/Wavlink-NU516U1-V25120… | related |
| https://github.com/Wlz1112/Wavlink-NU516U1-V25120… | exploit |
| https://dl.wavlink.com/firmware/RD/WINSTAR_NU516U… | patch |
Credits
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CVE-2026-3849 (GCVE-0-2026-3849)
Vulnerability from cvelistv5 – Published: 2026-03-19 20:29 – Updated: 2026-03-25 14:21
VLAI
Title
Buffer Overflow in HPKE via Oversized ECH Config
Summary
Stack Buffer Overflow in wc_HpkeLabeledExtract via Oversized ECH Config. A vulnerability existed in wolfSSL 5.8.4 ECH (Encrypted Client Hello) support, where a maliciously crafted ECH config could cause a stack buffer overflow on the client side, leading to potential remote execution and client program crash. This could be exploited by a malicious TLS server supporting ECH. Note that ECH is off by default, and is only enabled with enable-ech.
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
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| wolfSSL Inc. | wolfSSL |
Affected:
v5.6.0-stable , ≤ v5.8.4-stable
(git)
|
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CVE-2026-39853 (GCVE-0-2026-39853)
Vulnerability from cvelistv5 – Published: 2026-04-09 15:50 – Updated: 2026-04-09 16:15
VLAI
Title
osslsigncode has a Stack Buffer Overflow via Unbounded Digest Copy During Signature Verification
Summary
osslsigncode is a tool that implements Authenticode signing and timestamping. Prior to 2.12, A stack buffer overflow vulnerability exists in osslsigncode in several signature verification paths. During verification of a PKCS#7 signature, the code copies the digest value from a parsed SpcIndirectDataContent structure into a fixed-size stack buffer (mdbuf[EVP_MAX_MD_SIZE], 64 bytes) without validating that the source length fits within the destination buffer. This pattern is present in the verification handlers for PE, MSI, CAB, and script files. An attacker can craft a malicious signed file with an oversized digest field in SpcIndirectDataContent. When a user verifies such a file with osslsigncode verify, the unbounded memcpy can overflow the stack buffer and corrupt adjacent stack state. This vulnerability is fixed in 2.12.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/mtrojnar/osslsigncode/security… | x_refsource_CONFIRM |
| https://github.com/mtrojnar/osslsigncode/commit/c… | x_refsource_MISC |
| https://github.com/mtrojnar/osslsigncode/releases… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| mtrojnar | osslsigncode |
Affected:
< 2.12
|
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CVE-2026-40003 (GCVE-0-2026-40003)
Vulnerability from cvelistv5 – Published: 2026-05-07 01:15 – Updated: 2026-05-19 17:18
VLAI
Title
USB-based arbitrary memory write vulnerability in ZTE ZX297520V3 soc BootROM
Summary
ZTE ZX297520V3 BootROM contains a vulnerability that allows arbitrary memory writes via USB. Attackers can exploit the lack of target address validation in the USB download mode to write data to any location in BootROM runtime memory, thereby overwriting the stack, hijacking the execution flow, bypassing the Secure Boot signature verification mechanism, and achieving unauthorized code execution.
Severity
5.1 (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 | |
|---|---|---|---|
| ZTE | ZX297520V3 BootROM |
Affected:
7520V3 chip
|
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CVE-2026-4016 (GCVE-0-2026-4016)
Vulnerability from cvelistv5 – Published: 2026-03-12 08:32 – Updated: 2026-03-12 13:24 X_Open Source
VLAI
Title
GPAC SVG Parser load_svg.c svgin_process out-of-bounds write
Summary
A security vulnerability has been detected in GPAC 26.03-DEV. Affected by this vulnerability is the function svgin_process of the file src/filters/load_svg.c of the component SVG Parser. The manipulation leads to out-of-bounds write. Local access is required to approach this attack. The exploit has been disclosed publicly and may be used. The identifier of the patch is 7618d7206cdeb3c28961dc97ab0ecabaff0c8af2. It is suggested to install a patch to address this issue.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.350538 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.350538 | signaturepermissions-required |
| https://vuldb.com/?submit.769798 | third-party-advisory |
| https://github.com/gpac/gpac/issues/3468 | issue-tracking |
| https://github.com/user-attachments/files/2549404… | exploit |
| https://github.com/gpac/gpac/commit/7618d7206cdeb… | patch |
| https://github.com/gpac/gpac/ | product |
Impacted products
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CVE-2026-40169 (GCVE-0-2026-40169)
Vulnerability from cvelistv5 – Published: 2026-04-13 21:25 – Updated: 2026-04-14 15:52
VLAI
Title
ImageMagick: Heap buffer overflow (WRITE) in the YAML and JSON encoders
Summary
ImageMagick is free and open-source software used for editing and manipulating digital images. In versions below 7.1.2-19, a crafted image could result in an out of bounds heap write when writing a yaml or json output, resulting in a crash. This issue has been fixed in version 7.1.2-19.
Severity
6.2 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/ImageMagick/ImageMagick/securi… | x_refsource_CONFIRM |
| https://github.com/ImageMagick/ImageMagick/commit… | x_refsource_MISC |
| https://github.com/ImageMagick/ImageMagick/releas… | x_refsource_MISC |
| https://github.com/dlemstra/Magick.NET/releases/t… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| ImageMagick | ImageMagick |
Affected:
< 7.1.2-19
|
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CVE-2026-40310 (GCVE-0-2026-40310)
Vulnerability from cvelistv5 – Published: 2026-04-13 21:32 – Updated: 2026-04-14 16:28
VLAI
Title
ImageMagick: Heap out-of-bounds write in JP2 encoder
Summary
ImageMagick is free and open-source software used for editing and manipulating digital images. Versions below both 7.1.2-19 and 6.9.13-44, contain a heap out-of-bounds write in the JP2 encoder with when a user specifies an invalid sampling index. This issue has been fixed in versions 6.9.13-44 and 7.1.2-19.
Severity
5.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/ImageMagick/ImageMagick/securi… | x_refsource_CONFIRM |
| https://github.com/ImageMagick/ImageMagick/commit… | x_refsource_MISC |
| https://github.com/ImageMagick/ImageMagick/releas… | x_refsource_MISC |
| https://github.com/dlemstra/Magick.NET/releases/t… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| ImageMagick | ImageMagick |
Affected:
< 7.1.2-19
Affected: < 6.9.13-44 |
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CVE-2026-40393 (GCVE-0-2026-40393)
Vulnerability from cvelistv5 – Published: 2026-04-12 18:49 – Updated: 2026-04-13 15:47
VLAI
Summary
In Mesa before 25.3.6 and 26 before 26.0.1, out-of-bounds memory access can occur in WebGPU because the amount of to-be-allocated data depends on an untrusted party, and is then used for alloca.
Severity
8.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
Impacted products
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Mitigation ID: MIT-3
Phase: Requirements
Strategy: Language Selection
Description:
- 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 ID: MIT-4.1
Phase: Architecture and Design
Strategy: Libraries or Frameworks
Description:
- 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 ID: MIT-10
Phases: Operation, Build and Compilation
Strategy: Environment Hardening
Description:
- 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 ID: MIT-9
Phase: Implementation
Description:
- 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 ID: MIT-11
Phases: Operation, Build and Compilation
Strategy: Environment Hardening
Description:
- 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 ID: MIT-12
Phase: Operation
Strategy: Environment Hardening
Description:
- 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 ID: MIT-13
Phase: Implementation
Description:
- 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.