PYSEC-2026-3701

Vulnerability from pysec - Published: 2026-08-19 11:56 - Updated: 2026-08-19 12:16
VLAI
Details

Impact

Prior to version 0.0.19, surfio would not correctly validate size fields in irap files, leading to a buffer overflow . The severity rating assumes that surfio is used to parse untrused files in a networking context such as a web service.

Patches

The bug has been patched in version 0.0.19

Severity
9.8 (Critical)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Impacted products
Name purl
surfio pkg:pypi/surfio
Aliases
To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "surfio",
        "purl": "pkg:pypi/surfio"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.0.19"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.0.0",
        "0.0.10",
        "0.0.11",
        "0.0.12",
        "0.0.14",
        "0.0.15",
        "0.0.16",
        "0.0.17",
        "0.0.18",
        "0.0.3",
        "0.0.4",
        "0.0.5",
        "0.0.8",
        "0.0.9"
      ]
    }
  ],
  "aliases": [
    "CVE-2026-55211",
    "GHSA-rcr2-hggw-43wm"
  ],
  "details": "### Impact\nPrior to version 0.0.19, surfio would not correctly validate size fields in irap files, leading to a buffer overflow . The severity rating assumes that surfio is used to parse untrused files in a networking context such as a web service.\n\n\n### Patches\nThe bug has been patched in version 0.0.19",
  "id": "PYSEC-2026-3701",
  "modified": "2026-08-19T12:16:39.528927Z",
  "published": "2026-08-19T11:56:28.037745Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/equinor/surfio/security/advisories/GHSA-rcr2-hggw-43wm"
    },
    {
      "type": "WEB",
      "url": "https://github.com/equinor/surfio/pull/86"
    },
    {
      "type": "WEB",
      "url": "https://github.com/equinor/surfio/commit/1619750bce28e39c4f378d2fb6d28b72380a12aa"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/equinor/surfio"
    },
    {
      "type": "WEB",
      "url": "https://github.com/equinor/surfio/releases/tag/0.0.19"
    },
    {
      "type": "PACKAGE",
      "url": "https://pypi.org/project/surfio"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-rcr2-hggw-43wm"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-55211"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "surfio has an out-of-bounds read"
}



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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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