CVE-2022-29824 (GCVE-0-2022-29824)

Vulnerability from cvelistv5 – Published: 2022-05-03 00:00 – Updated: 2026-10-14 16:29
VLAI
Summary
In libxml2 before 2.9.14, several buffer handling functions in buf.c (xmlBuf*) and tree.c (xmlBuffer*) don't check for integer overflows. This can result in out-of-bounds memory writes. Exploitation requires a victim to open a crafted, multi-gigabyte XML file. Other software using libxml2's buffer functions, for example libxslt through 1.1.35, is affected as well.
Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CWE
  • n/a
Assigner
mitre CNA under the mitre root
CNA scorecard E 28/100 over 2339 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP Affected: V3.1.0 , < V3.1.5 (custom)
guessed Create a notification for this product.
Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP Affected: V3.1.0 , < V3.1.5 (custom)
guessed Create a notification for this product.
Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP Affected: V3.1.0 , < V3.1.5 (custom)
guessed Create a notification for this product.
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                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 2.8,
              "impactScore": 3.6,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ]
        },
        "published": "2022-05-03T03:15:06.687",
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            "tags": [
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          },
          {
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            "url": "https://cert-portal.siemens.com/productcert/html/ssa-398330.html"
          }
        ],
        "sourceIdentifier": "cve@mitre.org",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-190"
              }
            ],
            "source": "nvd@nist.gov",
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    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-09-21T05:42:21+00:00",
      "cve": "CVE-2022-29824",
      "id": "CVE-2022-29824",
      "initial_release_date": "2022-05-03T00:00:00+00:00",
      "product_status:fixed": "90",
      "product_status:known_affected": "10",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "libxml2: integer overflows in xmlBuf and xmlBuffer lead to out-of-bounds write",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-29824.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "important",
      "current_release_date": "2026-10-16T14:48:17Z",
      "cve": "CVE-2022-29824",
      "id": "CVE-2022-29824",
      "initial_release_date": "2023-02-15T03:26:08Z",
      "product_status:known_affected": "216",
      "product_status:known_not_affected": "62",
      "product_status:recommended": "704",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2022-29824",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/2023/cve-2022-29824.json",
      "version": "67"
    }
  }
}



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