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CVE-2018-25032
zlib before 1.2.12 allows memory corruption when deflating (i.e., when compressing) if the input has many distant matches.
High7.5EPSS 51.7%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
zlib before 1.2.12 allows memory corruption when deflating (i.e., when compressing) if the input has many distant matches.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVDNVD · Modified | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 51.7% · top 1.0% of all CVEs (5 Nov 2026)
- CISA SSVC
- Exploitation: poc · Automatable: yes · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
Affected products
n/a
- affected n/a
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- RubyGemsnokogiriGHSA-jc36-42cf-vqwj (opens in a new tab)
References (35)
- https://www.openwall.com/lists/oss-security/2022/03/24/1 (opens in a new tab)x_transferred
- https://github.com/madler/zlib/commit/5c44459c3b28a9bd3283aaceab7c615f8020c531 (opens in a new tab)x_transferred
- [oss-security] 20220325 Re: zlib memory corruption on deflate (i.e. compress) (opens in a new tab)mailing-listx_transferred
- [oss-security] 20220326 Re: zlib memory corruption on deflate (i.e. compress) (opens in a new tab)mailing-listx_transferred
- DSA-5111 (opens in a new tab)vendor-advisoryx_transferred
- [debian-lts-announce] 20220402 [SECURITY] [DLA 2968-1] zlib security update (opens in a new tab)mailing-listx_transferred
- FEDORA-2022-413a80a102 (opens in a new tab)vendor-advisoryx_transferred
- FEDORA-2022-dbd2935e44 (opens in a new tab)vendor-advisoryx_transferred
- FEDORA-2022-12b89e2aad (opens in a new tab)vendor-advisoryx_transferred
- [debian-lts-announce] 20220507 [SECURITY] [DLA 2993-1] libz-mingw-w64 security update (opens in a new tab)mailing-listx_transferred
- 20220516 APPLE-SA-2022-05-16-4 Security Update 2022-004 Catalina (opens in a new tab)mailing-listx_transferred
- 20220516 APPLE-SA-2022-05-16-3 macOS Big Sur 11.6.6 (opens in a new tab)mailing-listx_transferred
- 20220516 APPLE-SA-2022-05-16-2 macOS Monterey 12.4 (opens in a new tab)mailing-listx_transferred
- FEDORA-2022-61cf1c64f6 (opens in a new tab)vendor-advisoryx_transferred
- https://www.oracle.com/security-alerts/cpujul2022.html (opens in a new tab)x_transferred
- https://www.openwall.com/lists/oss-security/2022/03/28/3 (opens in a new tab)x_transferred
- https://www.openwall.com/lists/oss-security/2022/03/28/1 (opens in a new tab)x_transferred
- https://github.com/madler/zlib/compare/v1.2.11...v1.2.12 (opens in a new tab)x_transferred
- https://github.com/madler/zlib/issues/605 (opens in a new tab)x_transferred
- https://support.apple.com/kb/HT213257 (opens in a new tab)x_transferred
- https://support.apple.com/kb/HT213256 (opens in a new tab)x_transferred
- https://support.apple.com/kb/HT213255 (opens in a new tab)x_transferred
- https://security.netapp.com/advisory/ntap-20220526-0009/ (opens in a new tab)x_transferred
- https://security.netapp.com/advisory/ntap-20220729-0004/ (opens in a new tab)x_transferred
- FEDORA-2022-3a92250fd5 (opens in a new tab)vendor-advisoryx_transferred
- FEDORA-2022-b58a85e167 (opens in a new tab)vendor-advisoryx_transferred
- [debian-lts-announce] 20220916 [SECURITY] [DLA 3114-1] mariadb-10.3 security update (opens in a new tab)mailing-listx_transferred
- GLSA-202210-42 (opens in a new tab)vendor-advisoryx_transferred
- https://cert-portal.siemens.com/productcert/pdf/ssa-333517.pdf (opens in a new tab)x_transferred
- https://cert-portal.siemens.com/productcert/html/ssa-333517.html (opens in a new tab)
- https://cert-portal.siemens.com/productcert/html/ssa-419740.html (opens in a new tab)
- https://cert-portal.siemens.com/productcert/html/ssa-565386.html (opens in a new tab)
- https://cert-portal.siemens.com/productcert/html/ssa-942865.html (opens in a new tab)
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html (opens in a new tab)
- https://cert-portal.siemens.com/productcert/html/ssa-470355.html (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-jc36-42cf-vqwj (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2018-25032)Record last updated .