suse-su-2025:20532-1
Vulnerability from csaf_suse
Published
2025-07-28 14:35
Modified
2025-07-28 14:35
Summary
Security update for perl

Notes

Title of the patch
Security update for perl
Description of the patch
This update for perl fixes the following issues: - CVE-2024-56406: Fixed heap buffer overflow when transliterating non-ASCII bytes (bsc#1241083) - CVE-2025-40909: Fixed a working directory race condition causing file operations to target unintended paths (bsc#1244079)
Patchnames
SUSE-SLE-Micro-6.1-191
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 

{
  "document": {
    "aggregate_severity": {
      "namespace": "https://www.suse.com/support/security/rating/",
      "text": "important"
    },
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Copyright 2024 SUSE LLC. All rights reserved.",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en",
    "notes": [
      {
        "category": "summary",
        "text": "Security update for perl",
        "title": "Title of the patch"
      },
      {
        "category": "description",
        "text": "This update for perl fixes the following issues:\n\n- CVE-2024-56406: Fixed heap buffer overflow when transliterating \n  non-ASCII bytes (bsc#1241083)\n- CVE-2025-40909: Fixed a working directory race condition causing\n  file operations to target unintended paths (bsc#1244079)\n",
        "title": "Description of the patch"
      },
      {
        "category": "details",
        "text": "SUSE-SLE-Micro-6.1-191",
        "title": "Patchnames"
      },
      {
        "category": "legal_disclaimer",
        "text": "CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).",
        "title": "Terms of use"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "https://www.suse.com/support/security/contact/",
      "name": "SUSE Product Security Team",
      "namespace": "https://www.suse.com/"
    },
    "references": [
      {
        "category": "external",
        "summary": "SUSE ratings",
        "url": "https://www.suse.com/support/security/rating/"
      },
      {
        "category": "self",
        "summary": "URL of this CSAF notice",
        "url": "https://ftp.suse.com/pub/projects/security/csaf/suse-su-2025_20532-1.json"
      },
      {
        "category": "self",
        "summary": "URL for SUSE-SU-2025:20532-1",
        "url": "https://www.suse.com/support/update/announcement/2025/suse-su-202520532-1/"
      },
      {
        "category": "self",
        "summary": "E-Mail link for SUSE-SU-2025:20532-1",
        "url": "https://lists.suse.com/pipermail/sle-updates/2025-August/041122.html"
      },
      {
        "category": "self",
        "summary": "SUSE Bug 1241083",
        "url": "https://bugzilla.suse.com/1241083"
      },
      {
        "category": "self",
        "summary": "SUSE Bug 1244079",
        "url": "https://bugzilla.suse.com/1244079"
      },
      {
        "category": "self",
        "summary": "SUSE CVE CVE-2024-56406 page",
        "url": "https://www.suse.com/security/cve/CVE-2024-56406/"
      },
      {
        "category": "self",
        "summary": "SUSE CVE CVE-2025-40909 page",
        "url": "https://www.suse.com/security/cve/CVE-2025-40909/"
      }
    ],
    "title": "Security update for perl",
    "tracking": {
      "current_release_date": "2025-07-28T14:35:09Z",
      "generator": {
        "date": "2025-07-28T14:35:09Z",
        "engine": {
          "name": "cve-database.git:bin/generate-csaf.pl",
          "version": "1"
        }
      },
      "id": "SUSE-SU-2025:20532-1",
      "initial_release_date": "2025-07-28T14:35:09Z",
      "revision_history": [
        {
          "date": "2025-07-28T14:35:09Z",
          "number": "1",
          "summary": "Current version"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
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            "name": "s390x"
          },
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          },
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                "product": {
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                  "product_identification_helper": {
                    "cpe": "cpe:/o:suse:sl-micro:6.1"
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        },
        "product_reference": "perl-base-5.38.2-slfo.1.1_2.1.s390x",
        "relates_to_product_reference": "SUSE Linux Micro 6.1"
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        "full_product_name": {
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  "vulnerabilities": [
    {
      "cve": "CVE-2024-56406",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2024-56406"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "A heap buffer overflow vulnerability was discovered in Perl. \n\nRelease branches 5.34, 5.36, 5.38 and 5.40 are affected, including development versions from 5.33.1 through 5.41.10.\n\nWhen there are non-ASCII bytes in the left-hand-side of the `tr` operator, `S_do_trans_invmap` can overflow the destination pointer `d`.\n\n     $ perl -e \u0027$_ = \"\\x{FF}\" x 1000000; tr/\\xFF/\\x{100}/;\u0027 \n     Segmentation fault (core dumped)\n\nIt is believed that this vulnerability can enable Denial of Service and possibly Code Execution attacks on platforms that lack sufficient defenses.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Micro 6.1:perl-5.38.2-slfo.1.1_2.1.aarch64",
          "SUSE Linux Micro 6.1:perl-5.38.2-slfo.1.1_2.1.s390x",
          "SUSE Linux Micro 6.1:perl-5.38.2-slfo.1.1_2.1.x86_64",
          "SUSE Linux Micro 6.1:perl-base-5.38.2-slfo.1.1_2.1.aarch64",
          "SUSE Linux Micro 6.1:perl-base-5.38.2-slfo.1.1_2.1.s390x",
          "SUSE Linux Micro 6.1:perl-base-5.38.2-slfo.1.1_2.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2024-56406",
          "url": "https://www.suse.com/security/cve/CVE-2024-56406"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1241083 for CVE-2024-56406",
          "url": "https://bugzilla.suse.com/1241083"
        }
      ],
      "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 6.1:perl-5.38.2-slfo.1.1_2.1.aarch64",
            "SUSE Linux Micro 6.1:perl-5.38.2-slfo.1.1_2.1.s390x",
            "SUSE Linux Micro 6.1:perl-5.38.2-slfo.1.1_2.1.x86_64",
            "SUSE Linux Micro 6.1:perl-base-5.38.2-slfo.1.1_2.1.aarch64",
            "SUSE Linux Micro 6.1:perl-base-5.38.2-slfo.1.1_2.1.s390x",
            "SUSE Linux Micro 6.1:perl-base-5.38.2-slfo.1.1_2.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
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            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
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            "SUSE Linux Micro 6.1:perl-5.38.2-slfo.1.1_2.1.s390x",
            "SUSE Linux Micro 6.1:perl-5.38.2-slfo.1.1_2.1.x86_64",
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          "date": "2025-07-28T14:35:09Z",
          "details": "important"
        }
      ],
      "title": "CVE-2024-56406"
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    {
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          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2025-40909"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "Perl threads have a working directory race condition where file operations may target unintended paths.\n\nIf a directory handle is open at thread creation, the process-wide current working directory is temporarily changed in order to clone  that handle for the new thread, which is visible from any third (or  more) thread already running. \n\nThis may lead to unintended operations  such as loading code or accessing files from unexpected locations,  which a local attacker may be able to exploit.\n\nThe bug was introduced in commit  11a11ecf4bea72b17d250cfb43c897be1341861e and released in Perl version 5.13.6",
          "title": "CVE description"
        }
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          "SUSE Linux Micro 6.1:perl-base-5.38.2-slfo.1.1_2.1.s390x",
          "SUSE Linux Micro 6.1:perl-base-5.38.2-slfo.1.1_2.1.x86_64"
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        },
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            "SUSE Linux Micro 6.1:perl-5.38.2-slfo.1.1_2.1.x86_64",
            "SUSE Linux Micro 6.1:perl-base-5.38.2-slfo.1.1_2.1.aarch64",
            "SUSE Linux Micro 6.1:perl-base-5.38.2-slfo.1.1_2.1.s390x",
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      "scores": [
        {
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            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:L",
            "version": "3.1"
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            "SUSE Linux Micro 6.1:perl-5.38.2-slfo.1.1_2.1.s390x",
            "SUSE Linux Micro 6.1:perl-5.38.2-slfo.1.1_2.1.x86_64",
            "SUSE Linux Micro 6.1:perl-base-5.38.2-slfo.1.1_2.1.aarch64",
            "SUSE Linux Micro 6.1:perl-base-5.38.2-slfo.1.1_2.1.s390x",
            "SUSE Linux Micro 6.1:perl-base-5.38.2-slfo.1.1_2.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2025-07-28T14:35:09Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2025-40909"
    }
  ]
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
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