CVE-2022-25313 (GCVE-0-2022-25313)

Vulnerability from cvelistv5 – Published: 2022-02-18 04:23 – Updated: 2025-05-30 19:43
VLAI
Summary
In Expat (aka libexpat) before 2.4.5, an attacker can trigger stack exhaustion in build_model via a large nesting depth in the DTD element.
Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-05-30 19:41 UTC
CWE
  • n/a
  • CWE-674 - Uncontrolled Recursion
Assigner
References
Show details on NVD website
To clipboard 

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    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-08-06T22:16:22+00:00",
      "cve": "CVE-2022-25313",
      "id": "CVE-2022-25313",
      "initial_release_date": "2022-02-19T00:00:00+00:00",
      "product_status:fixed": "64",
      "product_status:known_affected": "24",
      "product_status:known_not_affected": "32",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "expat: Stack exhaustion in doctype parsing",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-25313.json",
      "version": "3"
    },
    "suse_vex": {
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      "current_release_date": "2026-07-23T02:35:07Z",
      "cve": "CVE-2022-25313",
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      "initial_release_date": "2023-02-15T03:27:24Z",
      "product_status:known_affected": "282",
      "product_status:recommended": "439",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2022-25313",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2022-25313.json",
      "version": "53"
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      "cveMetadata": "{\"assignerOrgId\": \"8254265b-2729-46b6-b9e3-3dfca2d5bfca\", \"assignerShortName\": \"mitre\", \"cveId\": \"CVE-2022-25313\", \"datePublished\": \"2022-02-18T04:23:04.000Z\", \"dateReserved\": \"2022-02-18T00:00:00.000Z\", \"dateUpdated\": \"2025-05-30T19:43:21.478Z\", \"state\": \"PUBLISHED\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



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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.