osv-2026-311
Vulnerability from osv_ossfuzz
Published
2026-02-26 00:16
Modified
2026-02-26 00:16
Summary
UNKNOWN READ in strncasecmp
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=487216732

Crash type: UNKNOWN READ
Crash state:
strncasecmp
vcardcomponent_string_to_kind
_parse_vcard
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "fixed_range": "c7bab3f44497eb126baa7c10429192ebd9acec91:0d3735426835aff0bd8151a0203e0720b157315f",
        "introduced_range": "a178be6cde3ab016f0072003df87517e289e075a:0d7f739ddd93f6e7b7bb9b7e8db9aa4ba639fbda"
      },
      "ecosystem_specific": {
        "severity": "MEDIUM"
      },
      "package": {
        "ecosystem": "OSS-Fuzz",
        "name": "libical",
        "purl": "pkg:generic/libical"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "f8cb7b4349809e51bad3902d130804d31ede3116"
            },
            {
              "fixed": "0d3735426835aff0bd8151a0203e0720b157315f"
            }
          ],
          "repo": "https://github.com/libical/libical.git",
          "type": "GIT"
        }
      ],
      "versions": []
    }
  ],
  "details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=487216732\n\n```\nCrash type: UNKNOWN READ\nCrash state:\nstrncasecmp\nvcardcomponent_string_to_kind\n_parse_vcard\n```\n",
  "id": "OSV-2026-311",
  "modified": "2026-02-26T00:16:50.092121Z",
  "published": "2026-02-26T00:16:50.091819Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=487216732"
    }
  ],
  "schema_version": "1.7.3",
  "summary": "UNKNOWN READ in strncasecmp"
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.