GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration
osv-2026-1189
Vulnerability from osv_ossfuzz
Published
2026-08-23 00:08
Modified
2026-08-23 00:08
Summary
Global-buffer-overflow in oidc_cfg_redirect_urls_allowed_get
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=550474749

Crash type: Global-buffer-overflow READ 8
Crash state:
oidc_cfg_redirect_urls_allowed_get
oidc_validate_redirect_url
fuzz_url.c
References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "introduced_range": "28b3660ee2a03ac662d83134fa4b989f2152f40c:ba68e8971c2dd3a3c507a0aaf49034f250bcf33a"
      },
      "ecosystem_specific": {
        "severity": null
      },
      "package": {
        "ecosystem": "OSS-Fuzz",
        "name": "mod-auth-openidc",
        "purl": "pkg:generic/mod-auth-openidc"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "be82ba1dcb31dcfc2d62aab475641e2dde772549"
            },
            {
              "fixed": "1deff3d91057dd3f3cb1db7d0d1773c2764e795c"
            }
          ],
          "repo": "https://github.com/OpenIDC/mod_auth_openidc",
          "type": "GIT"
        }
      ],
      "versions": []
    }
  ],
  "details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=550474749\n\n```\nCrash type: Global-buffer-overflow READ 8\nCrash state:\noidc_cfg_redirect_urls_allowed_get\noidc_validate_redirect_url\nfuzz_url.c\n```\n",
  "id": "OSV-2026-1189",
  "modified": "2026-08-23T00:08:00.396447Z",
  "published": "2026-08-23T00:08:00.396208Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=550474749"
    }
  ],
  "schema_version": "1.8.0",
  "summary": "Global-buffer-overflow in oidc_cfg_redirect_urls_allowed_get"
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • 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.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • 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.


Detection rules are retrieved from Rulezet.