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  5. CVE-2018-25032

CVE-2018-25032: Out-of-bounds Write

March 26, 2022 (updated April 18, 2025)

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

References

  • seclists.org/fulldisclosure/2022/May/33
  • seclists.org/fulldisclosure/2022/May/35
  • seclists.org/fulldisclosure/2022/May/38
  • www.openwall.com/lists/oss-security/2022/03/25/2
  • www.openwall.com/lists/oss-security/2022/03/26/1
  • cert-portal.siemens.com/productcert/pdf/ssa-333517.pdf
  • github.com/advisories/GHSA-jc36-42cf-vqwj
  • github.com/madler/zlib/commit/5c44459c3b28a9bd3283aaceab7c615f8020c531
  • github.com/madler/zlib/compare/v1.2.11...v1.2.12
  • github.com/madler/zlib/issues/605
  • github.com/rubysec/ruby-advisory-db/blob/master/gems/nokogiri/CVE-2018-25032.yml
  • github.com/sparklemotion/nokogiri/security/advisories/GHSA-v6gp-9mmm-c6p5
  • lists.debian.org/debian-lts-announce/2022/04/msg00000.html
  • lists.debian.org/debian-lts-announce/2022/05/msg00008.html
  • lists.debian.org/debian-lts-announce/2022/09/msg00023.html
  • lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DCZFIJBJTZ7CL5QXBFKTQ22Q26VINRUF/
  • lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DF62MVMH3QUGMBDCB3DY2ERQ6EBHTADB/
  • lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JZZPTWRYQULAOL3AW7RZJNVZ2UONXCV4/
  • lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NS2D2GFPFGOJUL4WQ3DUAY7HF4VWQ77F/
  • lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VOKNP2L734AEL47NRYGVZIKEFOUBQY5Y/
  • lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XOKFMSNQ5D5WGMALBNBXU3GE442V74WU/
  • nvd.nist.gov/vuln/detail/CVE-2018-25032
  • security.gentoo.org/glsa/202210-42
  • security.netapp.com/advisory/ntap-20220526-0009/
  • security.netapp.com/advisory/ntap-20220729-0004/
  • support.apple.com/kb/HT213255
  • support.apple.com/kb/HT213256
  • support.apple.com/kb/HT213257
  • www.debian.org/security/2022/dsa-5111
  • www.openwall.com/lists/oss-security/2022/03/24/1
  • www.openwall.com/lists/oss-security/2022/03/28/1
  • www.openwall.com/lists/oss-security/2022/03/28/3
  • www.oracle.com/security-alerts/cpujul2022.html

Code Behaviors & Features

Detect and mitigate CVE-2018-25032 with GitLab Dependency Scanning

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Affected versions

All versions before 1.2.12

Fixed versions

  • 1.2.12

Solution

Upgrade to version 1.2.12 or above.

Impact 7.5 HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Learn more about CVSS

Weakness

  • CWE-787: Out-of-bounds Write

Source file

conan/zlib/CVE-2018-25032.yml

Spotted a mistake? Edit the file on GitLab.

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