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.
15628 vulnerabilities reference this CWE, most recent first.
CVE-2026-41989 (GCVE-0-2026-41989)
Vulnerability from cvelistv5 – Published: 2026-04-23 04:30 – Updated: 2026-07-14 12:48
VLAI
EPSS
VEX
Summary
Libgcrypt before 1.12.2 sometimes allows a heap-based buffer overflow and denial of service via crafted ECDH ciphertext to gcry_pk_decrypt.
Severity
6.7 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-23 15:58 UTC
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
Impacted products
7 products
| Vendor | Product | Version | |
|---|---|---|---|
| gnupg | Libgcrypt |
Affected:
1.8.8 , < 1.10.4
(semver)
Affected: 1.11.0 , < 1.11.3 (semver) Affected: 1.12.0 , < 1.12.2 (semver) cpe:2.3:a:gnupg:libgcrypt:*:*:*:*:*:*:*:* cpe:2.3:a:gnupg:libgcrypt:*:*:*:*:*:*:*:* cpe:2.3:a:gnupg:libgcrypt:*:*:*:*:*:*:*:* |
|
| Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP |
Affected:
V3.1.6 , < *
(custom)
|
|
| Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP |
Affected:
V3.1.5 , < *
(custom)
|
|
| Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP |
Affected:
V3.1.6 , < *
(custom)
|
|
| Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP |
Affected:
V3.1.5 , < *
(custom)
|
|
| Siemens | SIPLUS S7-1500 CPU 1518-4 PN/DP MFP |
Affected:
V3.1.6 , < *
(custom)
|
|
| Siemens | SIPLUS S7-1500 CPU 1518-4 PN/DP MFP |
Affected:
V3.1.5 , < *
(custom)
|
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CVE-2026-41970 (GCVE-0-2026-41970)
Vulnerability from cvelistv5 – Published: 2026-05-15 09:33 – Updated: 2026-05-15 10:30
VLAI
EPSS
VEX
Summary
Out-of-bounds write vulnerability in the distributed file system module. Impact: Successful exploitation of this vulnerability may affect availability.
Severity
6.8 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-15 10:29 UTC
CWE
- CWE-787 - Out-of-bounds write
Assigner
References
Impacted products
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CVE-2026-41907 (GCVE-0-2026-41907)
Vulnerability from cvelistv5 – Published: 2026-04-24 18:09 – Updated: 2026-04-27 13:35
VLAI
EPSS
VEX
Title
uuid: Missing buffer bounds check in `v3`/`v5`/`v6` when `buf` is provided
Summary
uuid is for the creation of RFC9562 (formerly RFC4122) UUIDs. Prior to 14.0.0, v3, v5, and v6 accept external output buffers but do not reject out-of-range writes (small buf or large offset). This allows silent partial writes into caller-provided buffers. This vulnerability is fixed in 14.0.0.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-27 13:13 UTC
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/uuidjs/uuid/security/advisorie… | x_refsource_CONFIRM |
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CVE-2026-41678 (GCVE-0-2026-41678)
Vulnerability from cvelistv5 – Published: 2026-04-24 17:18 – Updated: 2026-04-24 18:33
VLAI
EPSS
VEX
Title
rust-openssl: Incorrect bounds assertion in aes key wrap
Summary
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Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-24 18:27 UTC
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/rust-openssl/rust-openssl/secu… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| rust-openssl | rust-openssl |
Affected:
>= 0.10.24, < 0.10.78
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CVE-2026-41676 (GCVE-0-2026-41676)
Vulnerability from cvelistv5 – Published: 2026-04-24 17:16 – Updated: 2026-04-24 17:43
VLAI
EPSS
VEX
Title
rust-openssl: Deriver::derive and PkeyCtxRef::derive can overflow short buffers on OpenSSL 1.1.1
Summary
rust-openssl provides OpenSSL bindings for the Rust programming language. From 0.9.27 to before 0.10.78, Deriver::derive (and PkeyCtxRef::derive) sets len = buf.len() and passes it as the in/out length to EVP_PKEY_derive, relying on OpenSSL to honor it. On OpenSSL 1.1.x, X25519, X448, DH and HKDF-extract ignore the incoming *keylen, unconditionally writing the full shared secret (32/56/prime-size bytes). A caller passing a short slice gets a heap/stack overflow from safe code. OpenSSL 3.x providers do check, so this only impacts older OpenSSL. This vulnerability is fixed in 0.10.78.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-24 17:43 UTC
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/rust-openssl/rust-openssl/secu… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| rust-openssl | rust-openssl |
Affected:
>= 0.9.27, < 0.10.78
|
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CVE-2026-41257 (GCVE-0-2026-41257)
Vulnerability from cvelistv5 – Published: 2026-05-11 17:14 – Updated: 2026-05-11 19:25
VLAI
EPSS
VEX
Title
jq: Signed-int overflow in `stack_reallocate` (jq VM stack)
Summary
jq is a command-line JSON processor. In 1.8.1 and earlier, the jq bytecode VM's data stack tracks its allocation size in a signed int. When the stack grows beyond ≈1 GiB (via deeply nested generator forks), the doubling arithmetic overflows. The wrapped value is passed to realloc and then used for a memmove with attacker-influenced offsets.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-11 19:25 UTC
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/jqlang/jq/security/advisories/… | x_refsource_CONFIRM |
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CVE-2026-41220 (GCVE-0-2026-41220)
Vulnerability from cvelistv5 – Published: 2026-04-29 13:43 – Updated: 2026-04-29 15:41
VLAI
EPSS
VEX
Summary
Local privilege escalation due to improper input validation. The following products are affected: Acronis DeviceLock DLP (Windows) before build 9.0.93212, Acronis Cyber Protect Cloud Agent (Windows) before build 42183.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-29 15:40 UTC
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://security-advisory.acronis.com/advisories/… | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Acronis | Acronis DeviceLock DLP |
Affected:
unspecified , < 9.0.93212
(semver)
|
|
| Acronis | Acronis Cyber Protect Cloud Agent |
Affected:
unspecified , < 42183
(semver)
|
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CVE-2026-41157 (GCVE-0-2026-41157)
Vulnerability from cvelistv5 – Published: 2026-06-12 21:53 – Updated: 2026-06-16 03:56
VLAI
EPSS
VEX
Title
GPU DDK - OOB Write in CalculateNPOTTwiddleSparsePageMap3D
Summary
A web page that contains unusual WebGPU content loaded into the GPU GLES render process and can trigger an out-of-bound write in the GPU user-space driver, leading to memory corruption and possible browser/GPU process crash.
The software computes a required memory size from untrusted input, but integer overflow can produce a value smaller than needed. Subsequent write operations may then occur past the intended memory boundary, corrupting adjacent memory and causing process instability or termination.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-15 00:00 UTC
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Imagination Technologies | Graphics DDK |
Affected:
1.18 RTM
(custom)
Affected: 23.2 RTM (custom) Affected: 24.2 RTM (custom) Affected: 25.1 RTM , ≤ 25.3 RTM (custom) Affected: 26.1 RTM (custom) Unaffected: 26.2 RTM (custom) |
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CVE-2026-41154 (GCVE-0-2026-41154)
Vulnerability from cvelistv5 – Published: 2026-07-10 20:46 – Updated: 2026-07-13 18:55
VLAI
EPSS
VEX
Title
GPU DDK - Incorrect Index Calculation in CMA Cleanup Path of AllocOSPages_Sparse
Summary
Software installed and run as a non-privileged user may cause OOB kernel memory reads or writes through GPU API calls.
When indexing pages larger than 4kB in the page freeing logic of the sparse memory implementation, incorrect buffer indexing leads to OOB access.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-13 18:19 UTC
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Imagination Technologies | Graphics DDK |
Unaffected:
1.18 RTM2
(custom)
Unaffected: 23.2 RTM2 (custom) Affected: 24.2 RTM2 (custom) Affected: 25.1 RTM2 , ≤ 25.3 RTM (custom) Affected: 26.1 RTM1 (custom) Unaffected: 26.1 RTM2 (custom) |
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CVE-2026-41144 (GCVE-0-2026-41144)
Vulnerability from cvelistv5 – Published: 2026-04-21 23:58 – Updated: 2026-04-22 18:15
VLAI
EPSS
VEX
Title
F´ (F Prime) has Integer Overflow in FileUplink
Summary
F´ (F Prime) is a framework that enables development and deployment of spaceflight and other embedded software applications. Prior to version 4.2.0, the bounds check byteOffset + dataSize > fileSize uses U32 addition that wraps around on overflow. An attacker-crafted DataPacket with byteOffset=0xFFFFFF9C and dataSize=100 overflows to 0, bypassing the check entirely. The subsequent file write proceeds at the original ~4GB offset. Additionally, Svc/FileUplink/File.cpp:20-31 performs no sanitization on the destination file path. Combined, these allow writing arbitrary data to any file at any offset. The impact is arbitrary file write leading to remote code execution on embedded targets. Note that this is a logic bug. ASAN does not detect it because all memory accesses are within valid buffers — the corruption occurs in file I/O. Version 4.2.0 contains a patch. No known workarounds are available.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-22 18:14 UTC
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/nasa/fprime/security/advisorie… | x_refsource_CONFIRM |
| https://github.com/nasa/fprime/commit/cacdd555456… | 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.