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.
16521 vulnerabilities reference this CWE, most recent first.
CVE-2026-113679 (GCVE-0-2026-113679)
Vulnerability from cvelistv5 – Published: 2026-10-20 15:40 – Updated: 2026-10-20 16:21
VLAI
EPSS
VEX
Title
HarfBuzz 8.0.0 through 14.6.0 Out-of-Bounds Write via WebAssembly font_glyph_to_string
Summary
HarfBuzz 8.0.0 through 14.6.0 contains an out-of-bounds write vulnerability in the experimental WebAssembly shaper because the font_glyph_to_string import has a wrong WAMR signature. Attackers can supply a crafted font whose wasm module places the output buffer near linear memory's end, writing glyph-name bytes into host memory to crash or corrupt applications.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-20 16:21 UTC
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/harfbuzz/harfbuzz/pull/6414 | patchissue-tracking |
| https://github.com/harfbuzz/harfbuzz/commit/5e821… | patch |
| https://github.com/harfbuzz/harfbuzz/blob/14.6.0/… | technical-description |
| https://github.com/harfbuzz/harfbuzz/blob/14.6.0/… | technical-description |
| https://www.vulncheck.com/advisories/harfbuzz-8.0… | third-party-advisory |
Impacted products
Date Public
2026-10-19 21:41
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CVE-2026-112398 (GCVE-0-2026-112398)
Vulnerability from cvelistv5 – Published: 2026-10-19 21:07 – Updated: 2026-10-19 21:07
VLAI
EPSS
VEX
Title
Pillow: Heap buffer overflow in FlashPix (FPX) JPEG decoding leads to code execution
Summary
Pillow is a Python imaging library. Prior to 13.0.0, Pillow's FlashPix JPEG-tile decoder can write decoded scanlines beyond the allocated tile buffer. FlashPix (FPX) JPEG decoding selects raw mode LA with two bytes per pixel, while an unrecognized JPEG mode can be decoded as JCS_UNKNOWN with four components, causing ImagingJpegDecode to write four-component scanlines into the two-byte tile buffer. An attacker can supply a crafted OLE2 FlashPix file to an application with the optional olefile dependency installed that opens or thumbnails untrusted input. This can corrupt heap memory and may allow arbitrary code execution. This issue is fixed in version 13.0.0.
Severity
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/python-pillow/Pillow/security/… | x_refsource_CONFIRM |
| https://github.com/python-pillow/Pillow/commit/24… | x_refsource_MISC |
| https://github.com/python-pillow/Pillow/releases/… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| python-pillow | Pillow |
Affected:
< 13.0.0
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CVE-2026-112397 (GCVE-0-2026-112397)
Vulnerability from cvelistv5 – Published: 2026-10-19 21:17 – Updated: 2026-10-19 21:38
VLAI
EPSS
VEX
Title
Pillow: Out-of-bounds access in _imagingmorph on a zero-width image
Summary
Pillow is a Python imaging library. Prior to 13.0.0, Pillow's ImageMorph.MorphOp.apply() can access memory before a row buffer for a zero-width image. PPM and PGM input can create an image with width zero, and the native morphology routine indexes outrow[width - 1] without rejecting that geometry. An attacker can supply such an image to an application that applies a morphology operation. This can crash the process. This issue is fixed in version 13.0.0.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-19 21:37 UTC
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/python-pillow/Pillow/security/… | x_refsource_CONFIRM |
| https://github.com/python-pillow/Pillow/commit/18… | x_refsource_MISC |
| https://github.com/python-pillow/Pillow/releases/… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| python-pillow | Pillow |
Affected:
< 13.0.0
|
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CVE-2026-112275 (GCVE-0-2026-112275)
Vulnerability from cvelistv5 – Published: 2026-10-19 13:55 – Updated: 2026-10-19 16:34
VLAI
EPSS
VEX
Title
Netpbm through 11.16.00 Heap Out-of-Bounds Write via rasttopnm pr_load_image
Summary
Netpbm through 11.16.00 contains a heap out-of-bounds write vulnerability in the rasttopnm Sun rasterfile run-length decoder pr_load_image in converter/other/rast.c. Attackers can supply a byte-encoded rasterfile with tiny dimensions and a long run-length body to write controlled bytes past md_image, causing memory corruption and crashes.
Severity
6.1 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-19 15:36 UTC
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://hackmd.io/@haindpwn/netpbm-sunraster-rle-… | third-party-advisory |
| https://sourceforge.net/p/netpbm/code/5400/tree/a… | technical-description |
| https://sourceforge.net/p/netpbm/code/5400/tree/s… | technical-description |
| https://netpbm.sourceforge.net/ | product |
| https://www.vulncheck.com/advisories/netpbm-throu… | third-party-advisory |
Impacted products
Date Public
2026-10-17 18:49
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CVE-2026-112060 (GCVE-0-2026-112060)
Vulnerability from cvelistv5 – Published: 2026-10-18 12:19 – Updated: 2026-10-19 16:12
VLAI
EPSS
VEX
Title
librtmp (RTMPDump) through 2.6 Heap Out-of-Bounds Write via AMF3_Decode
Summary
librtmp in RTMPDump through 2.6 contains an out-of-bounds read and heap out-of-bounds write vulnerability because AMF3_Decode ignores AMF3 property decode failures. Malicious RTMP servers or man-in-the-middle attackers can send oversized AMF3 string lengths, and with the token option DecodeTEA corrupts heap memory and leaks heap bytes.
Severity
6.4 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-19 16:10 UTC
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://hackmd.io/@haindpwn/librtmp-amf3-decode-a… | third-party-advisory |
| https://git.ffmpeg.org/gitweb/rtmpdump.git/blob/1… | technical-description |
| https://rtmpdump.mplayerhq.hu/ | product |
| https://www.vulncheck.com/advisories/librtmp-rtmp… | third-party-advisory |
Date Public
2026-10-17 18:49
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CVE-2026-112059 (GCVE-0-2026-112059)
Vulnerability from cvelistv5 – Published: 2026-10-18 12:19 – Updated: 2026-10-18 12:19 Unsupported When Assigned
VLAI
EPSS
VEX
Title
libLAS through 1.8.1 Heap Out-of-Bounds Write via LASSchema VLR
Summary
libLAS through 1.8.1 contains a heap out-of-bounds write vulnerability in the point record reader caused by truncating the schema byte size to 16 bits when sizing the point buffer. Attackers can craft a .las file with a LASSchema variable length record whose schema exceeds 65535 bytes, so tools like lasinfo, las2las, or las2txt write attacker-controlled bytes past the heap buffer, causing memory corruption and crashes.
Severity
6.1 (Medium)
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://hackmd.io/@haindpwn/liblas-record-length-… | third-party-advisory |
| https://github.com/libLAS/libLAS/blob/1.8.1/src/d… | technical-description |
| https://github.com/libLAS/libLAS/blob/1.8.1/src/h… | technical-description |
| https://www.vulncheck.com/advisories/liblas-throu… | third-party-advisory |
Impacted products
Date Public
2026-10-17 17:52
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CVE-2026-112018 (GCVE-0-2026-112018)
Vulnerability from cvelistv5 – Published: 2026-10-18 11:38 – Updated: 2026-10-19 18:36
VLAI
EPSS
VEX
Title
cgltf through 1.15 Heap Out-of-Bounds Write via cgltf_accessor_unpack_floats()
Summary
cgltf through 1.15 contains a heap out-of-bounds write vulnerability in cgltf_accessor_unpack_floats() that allows attackers to write outside the output buffer via unchecked sparse accessor indices. Attackers can supply a crafted glTF or GLB file with large sparse indices to corrupt heap memory, crash applications, and potentially execute code when cgltf_validate() is not called.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-19 18:36 UTC
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://hackmd.io/@haindpwn/cgltf-accessor-unpack… | technical-description |
| https://github.com/jkuhlmann/cgltf/blob/360db1a95… | technical-description |
| https://github.com/jkuhlmann/cgltf | product |
| https://www.vulncheck.com/advisories/cgltf-throug… | third-party-advisory |
| https://hackmd.io/@haindpwn/cve-2026-112018-11201… | exploit |
Date Public
2026-10-16 00:00
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CVE-2026-112012 (GCVE-0-2026-112012)
Vulnerability from cvelistv5 – Published: 2026-10-18 11:38 – Updated: 2026-10-19 16:38
VLAI
EPSS
VEX
Title
libtta through 2.3 Stack Out-of-Bounds Write via Zero Channel Count
Summary
libtta through 2.3 contains a stack out-of-bounds read and write vulnerability in tta_decoder_process_stream() and tta_decoder_process_frame() because header checks never reject a zero channel count. Attackers can supply a crafted .tta file declaring zero channels so decorrelation accesses cache[-1] with stream-derived values, corrupting stack memory in decoding applications.
Severity
5.3 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-19 15:57 UTC
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://hackmd.io/@haindpwn/libtta-seek-table-cou… | technical-descriptionexploit |
| https://github.com/gchudov/libtta/blob/af8dc48ce8… | technical-description |
| https://github.com/gchudov/libtta/blob/af8dc48ce8… | technical-description |
| https://sourceforge.net/projects/tta/ | product |
| https://github.com/gchudov/libtta | product |
| https://www.vulncheck.com/advisories/libtta-throu… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| True Audio | libtta |
Affected:
0 , ≤ 2.3
(custom)
|
Date Public
2026-10-17 00:00
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CVE-2026-112007 (GCVE-0-2026-112007)
Vulnerability from cvelistv5 – Published: 2026-10-18 11:38 – Updated: 2026-10-19 16:38
VLAI
EPSS
VEX
Title
Schism Tracker through 20260524 Heap Out-of-Bounds Write via ULT Loader
Summary
Schism Tracker through 20260524 contains a heap out-of-bounds write vulnerability in fmt_ult_load_song() in fmt/ult.c that fails to clamp the one-byte sample count to MAX_SAMPLES. Attackers can supply a crafted .ult module that overwrites the instruments pointer array, causing csf_destroy() to free attacker-chosen pointers and crash the application.
Severity
6.1 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-19 15:57 UTC
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://hackmd.io/@haindpwn/schismtracker-ult-sam… | technical-descriptionexploit |
| https://github.com/schismtracker/schismtracker/bl… | technical-description |
| https://github.com/schismtracker/schismtracker | product |
| https://www.vulncheck.com/advisories/schism-track… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| schismtracker | Schism Tracker |
Affected:
0 , ≤ 20260524
(custom)
cpe:2.3:a:schismtracker:schism_tracker:*:*:*:*:*:*:*:* |
Date Public
2026-10-17 00:00
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CVE-2026-111880 (GCVE-0-2026-111880)
Vulnerability from cvelistv5 – Published: 2026-10-17 18:46 – Updated: 2026-10-19 16:40
VLAI
EPSS
VEX
Title
FreeRDP 2.0.0 before 3.32.0 Heap Out-of-Bounds Write via NTLM MIC Offset
Summary
FreeRDP versions from 2.0.0 before 3.32.0 contain a heap out-of-bounds write in the server hash-callback NTLM path that fails to validate the MIC offset. Unauthenticated attackers can send a crafted AUTHENTICATE_MESSAGE with a backward session-key offset and MIC offset to write 16 zero bytes beyond the allocation.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-19 15:35 UTC
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/FreeRDP/FreeRDP/security/advis… | vendor-advisory |
| https://www.vulncheck.com/advisories/freerdp-2.0.… | third-party-advisory |
Impacted products
Date Public
2026-10-02 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.