What’s Vulnerable › Vulnerabilities

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

• Severity: critical (CVSS 9.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-15 · updated 2026-09-30
• Weakness: CWE-125

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

• equinor surfio: before 0.0.19

References

• https://github.com/equinor/surfio/commit/1619750bce28e39c4f378d2fb6d28b72380a12aa
• https://github.com/equinor/surfio/commit/e009c0cad145484f854aeb22d1979f9216b291db
• https://github.com/equinor/surfio/pull/86
• https://github.com/equinor/surfio/releases/tag/0.0.19
• https://github.com/equinor/surfio/security/advisories/GHSA-rcr2-hggw-43wm

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