CVE-2026-17572— HDF5 SOHM List Index Heap Buffer Overflow
Quick assessment
Affected
The HDF Group HDF5
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
在 HDF5 2.1.1 及以下版本中，所有平台上的 SOHM（Shared Object Header Message）列表索引反序列化代码存在基于堆的缓冲区溢出漏洞。攻击者可通过构造特殊的 HDF5 文件，使共享消息列表索引中声明的 计数值超过 ，从而在 和 函数中触发越界堆读写，导致拒绝服务（程序崩溃）。
Possible ATT&CK Techniques 1 AI
T1203 · Exploitation for Client ExecutionAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| The HDF Group | HDF5 | <= 2.1.1 |
affected |
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I. Basic Information for CVE-2026-17572
Vulnerability Information
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Vulnerability Title
HDF5 SOHM List Index Heap Buffer Overflow
Source: CVE Program / CVE List V5
Vulnerability Description
Heap-based buffer overflow in the SOHM list-index deserialization code in HDF5 through 2.1.1 on all platforms allows attackers to cause a denial of service (crash) via a crafted HDF5 file whose shared-message list index declares a num_messages count exceeding list_max, triggering out-of-bounds heap reads and writes in H5SM__cache_list_deserialize and H5SM__cache_list_verify_chksum.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:H/SC:N/SI:L/SA:H/E:U
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| The HDF Group | HDF5 | <= 2.1.1 | - |
|
II. Public POCs for CVE-2026-17572
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2026-17572 (1)
Same Patch Batch · The HDF Group · 2026-07-27 · 3 CVEs total
| CVE-2026-17574 | 5.2 MEDIUM | NULL Pointer Dereference in HDF5 via Invalid Variable-Length Datatype Type Tag |
| CVE-2026-17573 | 4.0 MEDIUM | Double Free in H5D__chunk_copy() in HDF5 via a Crafted Chunk-Index Size Field |
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