osv-2026-437
Vulnerability from osv_ossfuzz
Published
2026-03-23 00:02
Modified
2026-03-23 14:25
Summary
Heap-use-after-free in tf::Executor::_invoke
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=494709474

Crash type: Heap-use-after-free WRITE 8
Crash state:
tf::Executor::_invoke
tf::Executor::_spawn
void* std::__1::__thread_proxy
References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "fixed_range": "c2fe0160c9e3bf01ff5b91501128748ab83aae1c:1332b833ac7b1c9596e4f771ab2b3f1b13f62d99",
        "introduced_range": "354d77e68ddea42a4d8068ac5a92e32035848fb7:b176c52456b31ee223c82ed2c765471b190bc18a"
      },
      "ecosystem_specific": {
        "severity": "HIGH"
      },
      "package": {
        "ecosystem": "OSS-Fuzz",
        "name": "grok",
        "purl": "pkg:generic/grok"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "1ca9a4ce1b63568ed43aa7c93697114dc6b3fbcb"
            },
            {
              "fixed": "84d94206198d183bce6af08a15ecac78a9f4d951"
            },
            {
              "fixed": "1332b833ac7b1c9596e4f771ab2b3f1b13f62d99"
            }
          ],
          "repo": "https://github.com/GrokImageCompression/grok.git",
          "type": "GIT"
        }
      ],
      "versions": [
        "v20.1.0",
        "v20.2.0"
      ]
    }
  ],
  "details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=494709474\n\n```\nCrash type: Heap-use-after-free WRITE 8\nCrash state:\ntf::Executor::_invoke\ntf::Executor::_spawn\nvoid* std::__1::__thread_proxy\n```\n",
  "id": "OSV-2026-437",
  "modified": "2026-03-23T14:25:41.819255Z",
  "published": "2026-03-23T00:02:28.277984Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=494709474"
    }
  ],
  "schema_version": "1.7.5",
  "summary": "Heap-use-after-free in tf::Executor::_invoke"
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

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.