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High

Security advisory

Type: advisorySources: OSVCVE: CVE-2018-25032

zlib before 1.2.12 allows memory corruption when deflating (i.e., when compressing) if the input has many distant matches.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2018-25032
Confirmed fixed CVEs
Not specified
Updated in this feed
1 Nov 2026, 09:01 UTC · Revision 1

Source evidence

CVE-2018-25032

core-osv · Original source

Published 25 Mar 2022, 09:15 UTC

zlib before 1.2.12 allows memory corruption when deflating (i.e., when compressing) if the input has many distant matches.

osv:CVE-2018-25032
Complete source record
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  "url": "https://osv.dev/vulnerability/CVE-2018-25032",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2018-25032",
    "summary": "zlib before 1.2.12 allows memory corruption when deflating (i.e., when compressing) if the input has many distant matches.",
    "evidence": "osv:CVE-2018-25032",
    "products": [],
    "severity": "high",
    "structured": {
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      "aliases": [
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        "GHSA-jc36-42cf-vqwj",
        "PSF-2022-3"
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        "https://cert-portal.siemens.com/productcert/html/ssa-419740.html",
        "https://cert-portal.siemens.com/productcert/html/ssa-470355.html",
        "https://cert-portal.siemens.com/productcert/html/ssa-565386.html",
        "https://cert-portal.siemens.com/productcert/html/ssa-942865.html",
        "https://cert-portal.siemens.com/productcert/pdf/ssa-333517.pdf",
        "https://lists.debian.org/debian-lts-announce/2022/04/msg00000.html",
        "https://lists.debian.org/debian-lts-announce/2022/05/msg00008.html",
        "https://lists.debian.org/debian-lts-announce/2022/09/msg00023.html",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DCZFIJBJTZ7CL5QXBFKTQ22Q26VINRUF/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DF62MVMH3QUGMBDCB3DY2ERQ6EBHTADB/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JZZPTWRYQULAOL3AW7RZJNVZ2UONXCV4/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NS2D2GFPFGOJUL4WQ3DUAY7HF4VWQ77F/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VOKNP2L734AEL47NRYGVZIKEFOUBQY5Y/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XOKFMSNQ5D5WGMALBNBXU3GE442V74WU/",
        "https://security.gentoo.org/glsa/202210-42",
        "https://security.netapp.com/advisory/ntap-20220526-0009/",
        "https://security.netapp.com/advisory/ntap-20220729-0004/",
        "https://support.apple.com/kb/HT213255",
        "https://support.apple.com/kb/HT213256",
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        "https://www.openwall.com/lists/oss-security/2022/03/24/1",
        "https://www.openwall.com/lists/oss-security/2022/03/28/3",
        "https://github.com/madler/zlib/commit/5c44459c3b28a9bd3283aaceab7c615f8020c531",
        "https://github.com/madler/zlib/compare/v1.2.11...v1.2.12",
        "https://github.com/madler/zlib/issues/605",
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        "https://www.oracle.com/security-alerts/cpujul2022.html",
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            "cpes": [
              "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
              "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*",
              "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
            ],
            "vendor_product": "debian:debian_linux",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "9.0"
                  },
                  {
                    "last_affected": "9.0"
                  },
                  {
                    "introduced": "10.0"
                  },
                  {
                    "last_affected": "10.0"
                  },
                  {
                    "introduced": "11.0"
                  },
                  {
                    "last_affected": "11.0"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*",
              "cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*",
              "cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*"
            ],
            "vendor_product": "fedoraproject:fedora",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "34"
                  },
                  {
                    "last_affected": "34"
                  },
                  {
                    "introduced": "35"
                  },
                  {
                    "last_affected": "35"
                  },
                  {
                    "introduced": "36"
                  },
                  {
                    "last_affected": "36"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2018-25032",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 442819,
  "published_at": "2022-03-25T09:15:08.187+00:00"
}