Vulnerability-Lookup

alsa-2025:20478

Vulnerability from osv_almalinux

Published

2025-11-11 00:00

Modified

2025-11-24 10:49

Summary

Moderate: zziplib security update

Details

The zziplib is a lightweight library to easily extract data from zip files.

Security Fix(es):

zziplib: directory traversal in unzzip_cat in the bins/unzzipcat-mem.c (CVE-2018-17828)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "AlmaLinux:10",
        "name": "zziplib"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.13.78-2.el10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:10",
        "name": "zziplib-devel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.13.78-2.el10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:10",
        "name": "zziplib-utils"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.13.78-2.el10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "details": "The zziplib is a lightweight library to easily extract data from zip files.  \n\nSecurity Fix(es):  \n\n  * zziplib: directory traversal in unzzip_cat in the bins/unzzipcat-mem.c (CVE-2018-17828)\n\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.  \n\nAdditional Changes:  \n\nFor detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.\n",
  "id": "ALSA-2025:20478",
  "modified": "2025-11-24T10:49:03Z",
  "published": "2025-11-11T00:00:00Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2025:20478"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2018-17828"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/1635888"
    },
    {
      "type": "ADVISORY",
      "url": "https://errata.almalinux.org/10/ALSA-2025-20478.html"
    }
  ],
  "related": [
    "CVE-2018-17828"
  ],
  "summary": "Moderate: zziplib security update"
}

CVE-2018-17828 (GCVE-0-2018-17828)

Vulnerability from cvelistv5 – Published: 2018-10-01 08:00 – Updated: 2024-08-05 10:54

Summary

Directory traversal vulnerability in ZZIPlib 0.13.69 allows attackers to overwrite arbitrary files via a .. (dot dot) in a zip file, because of the function unzzip_cat in the bins/unzzipcat-mem.c file.

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

https://github.com/gdraheim/zziplib/issues/62

x_refsource_MISC

Show details on NVD website

JSON

To clipboard

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        "providerMetadata": {
          "dateUpdated": "2024-08-05T10:54:10.901Z",
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        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/gdraheim/zziplib/issues/62"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
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          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
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            }
          ]
        }
      ],
      "datePublic": "2018-09-30T00:00:00.000Z",
      "descriptions": [
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        }
      ],
      "problemTypes": [
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            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
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        {
          "tags": [
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          ],
          "url": "https://github.com/gdraheim/zziplib/issues/62"
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      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
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          "STATE": "PUBLIC"
        },
        "affects": {
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              {
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                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
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  "cveMetadata": {
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    "dateReserved": "2018-09-30T00:00:00.000Z",
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Sightings

Author	Source	Type	Date

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.

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