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Critical · 9.8 CVE-2026-55211 EUVD-2026-78671GHSA-rcr2-hggw-43wmPYSEC-2026-3701

surfio IRAP header size fields cause out-of-bounds reads

Published Sep 15, 2026 · Updated Sep 17, 2026 · Assigned by GitHub_M

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.

Affected products

VendorProductAffectedFixed
equinor surfio < 0.0.19 —

Affected packages

EcosystemPackageAffectedFixedRecord
PyPI surfio < 0.0.19 0.0.19 GHSA-rcr2-hggw-43wm

References