{"id":"GHSA-v6gp-9mmm-c6p5","aliases":[],"url":"https://o3.security/vulnerability/GHSA-v6gp-9mmm-c6p5","summary":"Out-of-bounds Write in zlib affects Nokogiri","details":"## Summary\n\nNokogiri v1.13.4 updates the vendored zlib from 1.2.11 to 1.2.12, which addresses [CVE-2018-25032](https://nvd.nist.gov/vuln/detail/CVE-2018-25032). That CVE is scored as CVSS 7.4 \"High\" on the NVD record as of 2022-04-05.\n\nPlease note that this advisory only applies to the CRuby implementation of Nokogiri `< 1.13.4`, and only if the packaged version of `zlib` is being used. Please see [this document](https://nokogiri.org/LICENSE-DEPENDENCIES.html#default-platform-release-ruby) for a complete description of which platform gems vendor `zlib`. If you've overridden defaults at installation time to use system libraries instead of packaged libraries, you should instead pay attention to your distro's `zlib` release announcements. \n\n## Mitigation\n\nUpgrade to Nokogiri `>= v1.13.4`.\n\n## Impact\n\n### [CVE-2018-25032](https://nvd.nist.gov/vuln/detail/CVE-2018-25032) in zlib\n\n- **Severity**: High\n- **Type**: [CWE-787](https://cwe.mitre.org/data/definitions/787.html) Out of bounds write\n- **Description**: zlib before 1.2.12 allows memory corruption when deflating (i.e., when compressing) if the input has many distant matches.\n\n","published":"2022-04-11T21:21:28Z","modified":"2024-12-05T05:39:12.688270Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"RubyGems","name":"nokogiri","fixedVersion":"1.13.4"}],"fix":null,"references":[{"type":"WEB","url":"https://github.com/sparklemotion/nokogiri/security/advisories/GHSA-v6gp-9mmm-c6p5"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2018-25032"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-jc36-42cf-vqwj"},{"type":"PACKAGE","url":"https://github.com/sparklemotion/nokogiri"},{"type":"WEB","url":"https://github.com/sparklemotion/nokogiri/releases/tag/v1.13.4"},{"type":"WEB","url":"https://groups.google.com/g/ruby-security-ann/c/vX7qSjsvWis/m/TJWN4oOKBwAJ?utm_medium=email&utm_source=footer"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2024-12-05T05:39:12.688270Z"}}