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CVE-2026-55211— surfio IRAP header size fields cause out-of-bounds reads

Quick assessment

Affected
equinor surfio
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.

Surfio 是一个用于读写表面文件的库。在 0.0.19 版本之前，Surfio 未正确验证 IRAP 文件中的大小字段，导致在解析不受信任的文件时可能发生缓冲区溢出。该严重性假设 Surfio 在诸如 Web 服务等网络上下文中用于解析不受信任的文件。此问题已在 0.0.19 版本中修复。

AI Predicted 9.8 Difficulty: Easy

Possible ATT&CK Techniques 1 AI

T1059.004 · Unix Shell

Affected Version Matrix 1

VendorProduct Version RangeStatus
equinor surfio < 0.0.19 affected
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I. Basic Information for CVE-2026-55211

Vulnerability Information
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Vulnerability Title
surfio IRAP header size fields cause out-of-bounds reads
Source: CVE Program / CVE List V5
Vulnerability Description
Surfio is a library for reading and writing surface files. Prior to 0.0.19, surfio does not correctly validate size fields in IRAP files, leading to a buffer overflow when untrusted files are parsed. The severity assumes surfio is used to parse untrusted files in a networking context such as a web service. This issue is fixed in version 0.0.19.
Source: CVE Program / CVE List V5
CVSS Information
N/A
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
equinor surfio < 0.0.19 -

II. Public POCs for CVE-2026-55211

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III. Intelligence Information for CVE-2026-55211

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Patches & Fixes for CVE-2026-55211 (3)

Vendor Advisories for CVE-2026-55211 (1)

Vendor Pages for CVE-2026-55211 (1)

IV. Related Vulnerabilities

Same vendor: equinor
Same weakness: CWE-125

V. Comments for CVE-2026-55211

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