VDB
JLSEC-2026-477
JLSEC-2026-477
PUBLISHED
CVSS 5 MEDIUM
zlib before 1.2.12 allows memory corruption when deflating (i.e., when compressing) if the input has many distant matches.
Risk Scores
CVSS 2.0
5
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Julia | GCCBootstrap_jll | 0 |
| Julia | GCCBootstrap_jll | 0 |
| Julia | Zlib_jll | 0 |
| Julia | Python_jll | 0 |
| Julia | Openresty_jll | 0 |
| Julia | Python_jll | 0 |
| Julia | Zlib_jll | 0 |
| Julia | Openresty_jll | 0 |
Timeline
- May 7, 2026 CVE Published
- Jul 18, 2026 CVE Updated
- Aug 8, 2026 Distribution Patch
References
- http://seclists.org/fulldisclosure/2022/May/33 url
- http://seclists.org/fulldisclosure/2022/May/35 url
- http://seclists.org/fulldisclosure/2022/May/38 url
- http://www.openwall.com/lists/oss-security/2022/03/25/2 url
- http://www.openwall.com/lists/oss-security/2022/03/26/1 url
- https://cert-portal.siemens.com/productcert/html/ssa-333517.html url
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html url
- https://cert-portal.siemens.com/productcert/html/ssa-419740.html url
- https://cert-portal.siemens.com/productcert/html/ssa-470355.html url
- https://cert-portal.siemens.com/productcert/html/ssa-565386.html url
- https://cert-portal.siemens.com/productcert/html/ssa-942865.html url
- https://cert-portal.siemens.com/productcert/pdf/ssa-333517.pdf url
- https://github.com/madler/zlib/commit/5c44459c3b28a9bd3283aaceab7c615f8020c531 url
- https://github.com/madler/zlib/compare/v1.2.11...v1.2.12 url
- https://github.com/madler/zlib/issues/605 url
- https://lists.debian.org/debian-lts-announce/2022/04/msg00000.html url
- https://lists.debian.org/debian-lts-announce/2022/05/msg00008.html url
- https://lists.debian.org/debian-lts-announce/2022/09/msg00023.html url
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DCZFIJBJTZ7CL5QXBFKTQ22Q26VINRUF/ url
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DF62MVMH3QUGMBDCB3DY2ERQ6EBHTADB/ url
…and 15 more