Common Weakness Enumeration
CWE-908
AllowedUse of Uninitialized Resource
Abstraction: Base · Status: Incomplete
The product uses or accesses a resource that has not been initialized.
1078 vulnerabilities reference this CWE, most recent first.
CVE-2026-120247 (GCVE-0-2026-120247)
Vulnerability from cvelistv5 – Published: 2026-11-01 00:57 – Updated: 2026-11-01 00:57
VLAI
EPSS
VEX
Title
FFmpeg 2.3 through 9.0.2 Huffyuv Decoder Uninitialized Heap Memory Disclosure
Summary
FFmpeg 2.3 through 9.0.2 contains a use of uninitialized resource vulnerability in the Huffyuv decoder that allows attackers to leak heap memory into decoded pixels via short packed-BGR bitstreams. Attackers can craft a Huffyuv BGR24/BGRA video whose entropy data ends early, causing decode_slice() to add uninitialized s->temp[0] bytes into output frames, exposing heap contents.
Severity
5.5 (Medium)
CWE
- CWE-908 - Use of Uninitialized Resource
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/24869 | issue-tracking |
| https://github.com/FFmpeg/FFmpeg/commit/7c7370735… | patch |
| https://github.com/FFmpeg/FFmpeg/blob/n9.0.2/liba… | technical-description |
| https://github.com/FFmpeg/FFmpeg | product |
| https://www.vulncheck.com/advisories/ffmpeg-2.3-t… | third-party-advisory |
Impacted products
Date Public
2026-10-11 00:00
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CVE-2026-120245 (GCVE-0-2026-120245)
Vulnerability from cvelistv5 – Published: 2026-11-01 00:57 – Updated: 2026-11-02 14:40
VLAI
EPSS
VEX
Title
FFmpeg 0.10 through 9.0.2 Uninitialized Memory Disclosure via Sun Raster Decoder
Summary
FFmpeg 0.10 through 9.0.2 contains a use of uninitialized resource vulnerability in sunrast_decode_frame() that leaks heap memory when decoding truncated 1-bit and 4-bit paletted Sun Raster images. Attackers can craft a truncated Sun Raster file so the uncleared temporary bitmap is expanded into PAL8 pixels, exposing stale heap contents such as allocator words in decoded output.
Severity
5.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-02 14:39 UTC
CWE
- CWE-908 - Use of Uninitialized Resource
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/24877 | issue-tracking |
| https://github.com/FFmpeg/FFmpeg/commit/356a391bf… | patch |
| https://github.com/FFmpeg/FFmpeg/commit/66b6ca270… | patch |
| https://github.com/FFmpeg/FFmpeg/blob/n9.0.2/liba… | technical-description |
| https://github.com/FFmpeg/FFmpeg | product |
| https://www.vulncheck.com/advisories/ffmpeg-0.10-… | third-party-advisory |
Impacted products
Date Public
2026-10-10 00:00
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CVE-2026-120244 (GCVE-0-2026-120244)
Vulnerability from cvelistv5 – Published: 2026-11-01 00:57 – Updated: 2026-11-02 17:44
VLAI
EPSS
VEX
Title
FFmpeg 2.1 through 9.0.2 Uninitialized Memory Leak via PCX Decoder
Summary
FFmpeg 2.1 through 9.0.2 contains a use of uninitialized resource vulnerability in the PCX decoder that allows attackers to leak heap memory through truncated RLE scanlines. Attackers can craft a PCX image whose RLE data ends early, causing pcx_decode_frame() to copy uninitialized av_malloc() buffer contents into visible decoded pixels.
Severity
5.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-02 17:03 UTC
CWE
- CWE-908 - Use of Uninitialized Resource
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/24868 | issue-tracking |
| https://github.com/FFmpeg/FFmpeg/commit/ecd5dfc30… | patch |
| https://github.com/FFmpeg/FFmpeg/blob/n9.0.2/liba… | technical-description |
| https://github.com/FFmpeg/FFmpeg | product |
| https://www.vulncheck.com/advisories/ffmpeg-2.1-t… | third-party-advisory |
Impacted products
Date Public
2026-10-11 00:00
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CVE-2026-119602 (GCVE-0-2026-119602)
Vulnerability from cvelistv5 – Published: 2026-10-30 13:18 – Updated: 2026-10-30 15:53
VLAI
EPSS
VEX
Title
libmspack through 0.11alpha Uninitialized Memory Disclosure via MS-ZIP Decompressor Window
Summary
libmspack through 0.11alpha contains an uninitialized memory disclosure vulnerability in the MS-ZIP decompressor that allows attackers to leak heap data via unchecked back-reference distances. Attackers can supply a crafted MS-ZIP CAB file whose first block begins with a back-reference, causing cabd->extract() to write up to 32 KiB of stale heap memory into extracted output.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-30 15:21 UTC
CWE
- CWE-908 - Use of Uninitialized Resource
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/kyz/libmspack/issues/60 | issue-tracking |
| https://github.com/kyz/libmspack/blob/v0.11alpha/… | technical-description |
| https://hackmd.io/@haindpwn/libmspack-mszip-unini… | third-party-advisory |
| https://github.com/kyz/libmspack | product |
| https://www.vulncheck.com/advisories/libmspack-th… | third-party-advisory |
Impacted products
Date Public
2026-10-21 00:00
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CVE-2026-119375 (GCVE-0-2026-119375)
Vulnerability from cvelistv5 – Published: 2026-10-30 11:30 – Updated: 2026-10-30 15:52
VLAI
EPSS
VEX
Title
SQLite before 3.54.0 Information Disclosure via WAL Page Size Mismatch
Summary
SQLite before 3.54.0 contains an information disclosure vulnerability that allows attackers to read uninitialized page-cache memory by supplying a WAL file with an undersized page size. Attackers can craft a database and WAL file whose oversized record payload makes queries like substr() return stale bytes, disclosing other table rows and internal pointers.
Severity
5.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-30 15:52 UTC
CWE
- CWE-908 - Use of Uninitialized Resource
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://sqlite.org/bugs/info/2026-08-17T15:54:41Z | issue-tracking |
| https://sqlite.org/src/info/f9b4ee369557c36c | patch |
| https://github.com/sqlite/sqlite/commit/e5bf11982… | patch |
| https://github.com/sqlite/sqlite/blob/version-3.5… | technical-description |
| https://sqlite.org/releaselog/3_54_0.html | release-notes |
| https://abraxaslabs.tech/research/sqlite-wal-pagesize | third-party-advisory |
| https://github.com/sqlite/sqlite | product |
| https://www.vulncheck.com/advisories/sqlite-befor… | third-party-advisory |
Impacted products
Date Public
2026-08-17 00:00
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CVE-2026-116739 (GCVE-0-2026-116739)
Vulnerability from cvelistv5 – Published: 2026-10-26 21:52 – Updated: 2026-10-26 21:52
VLAI
EPSS
VEX
Title
VMime through 0.9.2 Uninitialized Stack Memory Disclosure via uuencode Decoder
Summary
VMime through 0.9.2 contains an information disclosure vulnerability in the uuEncoder::decode function that writes uninitialized stack memory into decoded output for over-long lines. Attackers can send a crafted uuencode or x-uuencode MIME part with a large line length byte to leak up to 15 bytes of stack contents per line in decoded attachments.
Severity
4.3 (Medium)
CWE
- CWE-908 - Use of Uninitialized Resource
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://github.com/kisli/vmime/pull/363 | issue-trackingpatch |
| https://github.com/kisli/vmime/commit/e85925eddc6… | patch |
| https://github.com/kisli/vmime | product |
| https://github.com/kisli/vmime/blob/v0.9.2/src/vm… | technical-description |
| https://hackmd.io/@haindpwn/vmime-uuencode-decode… | third-party-advisory |
| https://www.vulncheck.com/advisories/vmime-throug… | third-party-advisory |
Date Public
2026-10-23 00:00
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CVE-2026-116180 (GCVE-0-2026-116180)
Vulnerability from cvelistv5 – Published: 2026-10-25 13:20 – Updated: 2026-10-26 19:48
VLAI
EPSS
VEX
Title
vLLM from 0.8.5 before 0.31.0 Cross-Tenant DoS via Uninitialized LogprobsTensors
Summary
vLLM from 0.8.5 before 0.31.0 has a denial of service flaw. LogprobsTensors.empty_cpu() in vllm/v1/outputs.py allocates an uninitialized int32 tensor, and the V1 model runner leaves prompt positions reported as computed by a KV connector unwritten. A client sharing the engine can send prompt_logprobs (or echo with logprobs) against a connector-cached prefix, making tokenizer decode raise OverflowError, which crashes EngineCore and drops all co-tenant requests.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-26 19:38 UTC
CWE
- CWE-908 - Use of Uninitialized Resource
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/vllm-project/vllm/security/adv… | vendor-advisory |
| https://www.vulncheck.com/advisories/vllm-from-0.… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| vllm-project | vllm |
Affected:
0.8.5 , < 0.31.0
(semver)
Unaffected: 0.31.0 (semver) cpe:2.3:a:vllm:vllm:*:*:*:*:*:*:*:* |
Date Public
2026-10-09 00:00
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CVE-2026-115386 (GCVE-0-2026-115386)
Vulnerability from cvelistv5 – Published: 2026-10-22 19:13 – Updated: 2026-10-23 15:00
VLAI
EPSS
VEX
Title
Wasmtime before 36.0.17, 37.0.0 before 48.0.4, and 49.0.0 before 49.0.2 Memory Disclosure via fd_readdir
Summary
Wasmtime before 36.0.17, 37.0.0 before 48.0.4, and 49.0.0 before 49.0.2 contains an information disclosure vulnerability in the WASIp1 fd_readdir implementation that copies uninitialized struct padding into guest memory. Guests with a preopened directory can list entries to receive three bytes of leftover host stack or heap memory per directory entry.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-23 14:48 UTC
CWE
- CWE-908 - Use of Uninitialized Resource
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/bytecodealliance/wasmtime/secu… | vendor-advisory |
| https://www.vulncheck.com/advisories/wasmtime-bef… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| bytecodealliance | wasmtime |
Affected:
0 , < 36.0.17
(semver)
Unaffected: 36.0.17 (semver) Affected: 37.0.0 , < 48.0.4 (semver) Unaffected: 48.0.4 (semver) Affected: 49.0.0 , < 49.0.2 (semver) Unaffected: 49.0.2 (semver) cpe:2.3:a:bytecodealliance:wasmtime:*:*:*:*:*:*:*:* cpe:2.3:a:bytecodealliance:wasmtime:*:*:*:*:*:*:*:* cpe:2.3:a:bytecodealliance:wasmtime:*:*:*:*:*:*:*:* |
Date Public
2026-10-02 00:00
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CVE-2026-114651 (GCVE-0-2026-114651)
Vulnerability from cvelistv5 – Published: 2026-10-22 19:13 – Updated: 2026-10-30 19:25
VLAI
EPSS
VEX
Title
Cross-document data leak via malformed BSON array parsing in reused thread buffer
Summary
A memory-handling weakness in the BSON deserialization component of the MongoDB C# Driver may cause data left over from previously processed content to be returned when specially crafted serialized input is parsed. An unauthenticated party able to supply serialized data to an application that maps certain primitive collection types can cause residual bytes from unrelated data processed earlier on the same execution thread to be surfaced as legitimate values. This can result in disclosure of a limited amount of information belonging to other requests or principals of the consuming application. No authentication or special privileges within the application are required.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-30 19:24 UTC
CWE
- CWE-908 - Use of Uninitialized Resource
Assigner
References
Impacted products
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CVE-2026-114501 (GCVE-0-2026-114501)
Vulnerability from cvelistv5 – Published: 2026-10-21 21:17 – Updated: 2026-10-30 16:10
VLAI
EPSS
VEX
Title
Pillow: Arrow export leaks stale heap memory when PILLOW_ALIGNMENT > 1
Summary
Pillow is a Python imaging library. From 11.2.1 until 13.0.0, Arrow export assumes that an image's rows are tightly contiguous and exports from im->blocks[0].ptr even when PILLOW_ALIGNMENT makes aligned_linesize include row padding or an aligned offset before the first row. The resulting Arrow buffer can include uninitialized padding, bytes preceding the first row, or stale heap contents from previously freed images. Applications that configure alignment and export images to Arrow can therefore disclose one user's pixels or other process memory to another user. 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 2026-10-30 16:09 UTC
CWE
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/python-pillow/Pillow/security/… | x_refsource_CONFIRM |
| https://github.com/python-pillow/Pillow/pull/10172 | x_refsource_MISC |
| https://github.com/python-pillow/Pillow/commit/19… | x_refsource_MISC |
| https://github.com/python-pillow/Pillow/releases/… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| python-pillow | Pillow |
Affected:
>= 11.2.1, < 13.0.0
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Mitigation
Implementation
Explicitly initialize the resource before use. If this is performed through an API function or standard procedure, follow all required steps.
Mitigation
Implementation
Pay close attention to complex conditionals that affect initialization, since some branches might not perform the initialization.
Mitigation
Implementation
Avoid race conditions (CWE-362) during initialization routines.
Mitigation
Build and Compilation
Run or compile the product with settings that generate warnings about uninitialized variables or data.
No CAPEC attack patterns related to this CWE.