suse-su-2025:20564-1
Vulnerability from csaf_suse
Published
2025-08-21 08:01
Modified
2025-08-21 08:01
Summary
Security update for libxml2

Notes

Title of the patch
Security update for libxml2
Description of the patch
This update for libxml2 fixes the following issues: - CVE-2025-6021: Integer Overflow in xmlBuildQName() Leads to Stack Buffer Overflow in libxml2 [bsc#1244580] - CVE-2025-6170: stack buffer overflow may lead to a crash [bsc#1244700] - CVE-2025-7425: Heap Use-After-Free in libxslt caused by atype corruption in xmlAttrPtr [bsc#1246296] - CVE-2025-49794: heap use after free (UAF) can lead to Denial of service (DoS) [bsc#1244554] - CVE-2025-49795: null pointer dereference may lead to Denial of service (DoS) [bsc#1244555] - CVE-2025-49796: type confusion may lead to Denial of service (DoS) [bsc#1244557]
Patchnames
SUSE-SLE-Micro-6.0-429
Terms of use
CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).


To clipboard 

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        "title": "Description of the patch"
      },
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        "title": "Patchnames"
      },
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  "vulnerabilities": [
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          "text": "https://www.suse.com/security/cve/CVE-2025-49794"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "A use-after-free vulnerability was found in libxml2. This issue occurs when parsing XPath elements under certain circumstances when the XML schematron has the \u003csch:name path=\"...\"/\u003e schema elements. This flaw allows a malicious actor to craft a malicious XML document used as input for libxml, resulting in the program\u0027s crash using libxml or other possible undefined behaviors.",
          "title": "CVE description"
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      ],
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        {
          "category": "general",
          "text": "A NULL pointer dereference vulnerability was found in libxml2 when processing XPath XML expressions. This flaw allows an attacker to craft a malicious XML input to libxml2, leading to a denial of service.",
          "title": "CVE description"
        }
      ],
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          "text": "https://www.suse.com/security/cve/CVE-2025-49796"
        }
      ],
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        {
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          "text": "A vulnerability was found in libxml2. Processing certain sch:name elements from the input XML file can trigger a memory corruption issue. This flaw allows an attacker to craft a malicious XML input file that can lead libxml to crash, resulting in a denial of service or other possible undefined behavior due to sensitive data being corrupted in memory.",
          "title": "CVE description"
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          "product_ids": [
            "SUSE Linux Micro 6.0:libxml2-2-2.11.6-10.1.aarch64",
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            "SUSE Linux Micro 6.0:libxml2-2-2.11.6-10.1.x86_64",
            "SUSE Linux Micro 6.0:libxml2-tools-2.11.6-10.1.aarch64",
            "SUSE Linux Micro 6.0:libxml2-tools-2.11.6-10.1.s390x",
            "SUSE Linux Micro 6.0:libxml2-tools-2.11.6-10.1.x86_64"
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      ],
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        {
          "cvss_v3": {
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            "SUSE Linux Micro 6.0:libxml2-2-2.11.6-10.1.s390x",
            "SUSE Linux Micro 6.0:libxml2-2-2.11.6-10.1.x86_64",
            "SUSE Linux Micro 6.0:libxml2-tools-2.11.6-10.1.aarch64",
            "SUSE Linux Micro 6.0:libxml2-tools-2.11.6-10.1.s390x",
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          "category": "impact",
          "date": "2025-08-21T08:01:26Z",
          "details": "important"
        }
      ],
      "title": "CVE-2025-49796"
    },
    {
      "cve": "CVE-2025-6021",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2025-6021"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "A flaw was found in libxml2\u0027s xmlBuildQName function, where integer overflows in buffer size calculations can lead to a stack-based buffer overflow. This issue can result in memory corruption or a denial of service when processing crafted input.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Micro 6.0:libxml2-2-2.11.6-10.1.aarch64",
          "SUSE Linux Micro 6.0:libxml2-2-2.11.6-10.1.s390x",
          "SUSE Linux Micro 6.0:libxml2-2-2.11.6-10.1.x86_64",
          "SUSE Linux Micro 6.0:libxml2-tools-2.11.6-10.1.aarch64",
          "SUSE Linux Micro 6.0:libxml2-tools-2.11.6-10.1.s390x",
          "SUSE Linux Micro 6.0:libxml2-tools-2.11.6-10.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2025-6021",
          "url": "https://www.suse.com/security/cve/CVE-2025-6021"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1244580 for CVE-2025-6021",
          "url": "https://bugzilla.suse.com/1244580"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "SUSE Linux Micro 6.0:libxml2-2-2.11.6-10.1.aarch64",
            "SUSE Linux Micro 6.0:libxml2-2-2.11.6-10.1.s390x",
            "SUSE Linux Micro 6.0:libxml2-2-2.11.6-10.1.x86_64",
            "SUSE Linux Micro 6.0:libxml2-tools-2.11.6-10.1.aarch64",
            "SUSE Linux Micro 6.0:libxml2-tools-2.11.6-10.1.s390x",
            "SUSE Linux Micro 6.0:libxml2-tools-2.11.6-10.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "SUSE Linux Micro 6.0:libxml2-2-2.11.6-10.1.aarch64",
            "SUSE Linux Micro 6.0:libxml2-2-2.11.6-10.1.s390x",
            "SUSE Linux Micro 6.0:libxml2-2-2.11.6-10.1.x86_64",
            "SUSE Linux Micro 6.0:libxml2-tools-2.11.6-10.1.aarch64",
            "SUSE Linux Micro 6.0:libxml2-tools-2.11.6-10.1.s390x",
            "SUSE Linux Micro 6.0:libxml2-tools-2.11.6-10.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2025-08-21T08:01:26Z",
          "details": "important"
        }
      ],
      "title": "CVE-2025-6021"
    },
    {
      "cve": "CVE-2025-6170",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2025-6170"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "A flaw was found in the interactive shell of the xmllint command-line tool, used for parsing XML files. When a user inputs an overly long command, the program does not check the input size properly, which can cause it to crash. This issue might allow attackers to run harmful code in rare configurations without modern protections.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Micro 6.0:libxml2-2-2.11.6-10.1.aarch64",
          "SUSE Linux Micro 6.0:libxml2-2-2.11.6-10.1.s390x",
          "SUSE Linux Micro 6.0:libxml2-2-2.11.6-10.1.x86_64",
          "SUSE Linux Micro 6.0:libxml2-tools-2.11.6-10.1.aarch64",
          "SUSE Linux Micro 6.0:libxml2-tools-2.11.6-10.1.s390x",
          "SUSE Linux Micro 6.0:libxml2-tools-2.11.6-10.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2025-6170",
          "url": "https://www.suse.com/security/cve/CVE-2025-6170"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1244700 for CVE-2025-6170",
          "url": "https://bugzilla.suse.com/1244700"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "SUSE Linux Micro 6.0:libxml2-2-2.11.6-10.1.aarch64",
            "SUSE Linux Micro 6.0:libxml2-2-2.11.6-10.1.s390x",
            "SUSE Linux Micro 6.0:libxml2-2-2.11.6-10.1.x86_64",
            "SUSE Linux Micro 6.0:libxml2-tools-2.11.6-10.1.aarch64",
            "SUSE Linux Micro 6.0:libxml2-tools-2.11.6-10.1.s390x",
            "SUSE Linux Micro 6.0:libxml2-tools-2.11.6-10.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 4.5,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L",
            "version": "3.1"
          },
          "products": [
            "SUSE Linux Micro 6.0:libxml2-2-2.11.6-10.1.aarch64",
            "SUSE Linux Micro 6.0:libxml2-2-2.11.6-10.1.s390x",
            "SUSE Linux Micro 6.0:libxml2-2-2.11.6-10.1.x86_64",
            "SUSE Linux Micro 6.0:libxml2-tools-2.11.6-10.1.aarch64",
            "SUSE Linux Micro 6.0:libxml2-tools-2.11.6-10.1.s390x",
            "SUSE Linux Micro 6.0:libxml2-tools-2.11.6-10.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2025-08-21T08:01:26Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2025-6170"
    },
    {
      "cve": "CVE-2025-7425",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2025-7425"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "A flaw was found in libxslt where the attribute type, atype, flags are modified in a way that corrupts internal memory management. When XSLT functions, such as the key() process, result in tree fragments, this corruption prevents the proper cleanup of ID attributes. As a result, the system may access freed memory, causing crashes or enabling attackers to trigger heap corruption.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Micro 6.0:libxml2-2-2.11.6-10.1.aarch64",
          "SUSE Linux Micro 6.0:libxml2-2-2.11.6-10.1.s390x",
          "SUSE Linux Micro 6.0:libxml2-2-2.11.6-10.1.x86_64",
          "SUSE Linux Micro 6.0:libxml2-tools-2.11.6-10.1.aarch64",
          "SUSE Linux Micro 6.0:libxml2-tools-2.11.6-10.1.s390x",
          "SUSE Linux Micro 6.0:libxml2-tools-2.11.6-10.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2025-7425",
          "url": "https://www.suse.com/security/cve/CVE-2025-7425"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1246296 for CVE-2025-7425",
          "url": "https://bugzilla.suse.com/1246296"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "SUSE Linux Micro 6.0:libxml2-2-2.11.6-10.1.aarch64",
            "SUSE Linux Micro 6.0:libxml2-2-2.11.6-10.1.s390x",
            "SUSE Linux Micro 6.0:libxml2-2-2.11.6-10.1.x86_64",
            "SUSE Linux Micro 6.0:libxml2-tools-2.11.6-10.1.aarch64",
            "SUSE Linux Micro 6.0:libxml2-tools-2.11.6-10.1.s390x",
            "SUSE Linux Micro 6.0:libxml2-tools-2.11.6-10.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:H",
            "version": "3.1"
          },
          "products": [
            "SUSE Linux Micro 6.0:libxml2-2-2.11.6-10.1.aarch64",
            "SUSE Linux Micro 6.0:libxml2-2-2.11.6-10.1.s390x",
            "SUSE Linux Micro 6.0:libxml2-2-2.11.6-10.1.x86_64",
            "SUSE Linux Micro 6.0:libxml2-tools-2.11.6-10.1.aarch64",
            "SUSE Linux Micro 6.0:libxml2-tools-2.11.6-10.1.s390x",
            "SUSE Linux Micro 6.0:libxml2-tools-2.11.6-10.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2025-08-21T08:01:26Z",
          "details": "important"
        }
      ],
      "title": "CVE-2025-7425"
    }
  ]
}


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