PT-2026-41615 · Julia · Gccbootstrap Jll+2

Published 2026-05-07 · Updated 2026-05-07

OSV

MiniZip in zlib through 1.3 has an integer overflow and resultant heap-based buffer overflow in zipOpenNewFileInZip4 64 via a long filename, comment, or extra field. NOTE: MiniZip is not a supported part of the zlib product. NOTE: pyminizip through 0.2.6 is also vulnerable because it bundles an affected zlib version, and exposes the applicable MiniZip code through its compress API.

Related Identifiers

JLSEC-2026-479

Affected Products

Gccbootstrap Jll

Openresty Jll

Zlib Jll

References · 12

• https://osv.dev/vulnerability/JLSEC-2026-479 · Vendor Advisory
• https://github.com/madler/zlib/pull/843 · Note
• https://github.com/madler/zlib/blob/ac8f12c97d1afd9bafa9c710f827d40a407d3266/contrib/README.contrib#L1-L4 · Note
• https://chromium.googlesource.com/chromium/src/+/de29dd6c7151d3cd37cb4cf0036800ddfb1d8b61 · Note
• https://security.gentoo.org/glsa/202401-18 · Note
• http://openwall.com/lists/oss-security/2023/10/20/9 · Note
• https://winimage.com/zLibDll/minizip.html · Note
• https://lists.debian.org/debian-lts-announce/2023/11/msg00026.html · Note
• http://openwall.com/lists/oss-security/2024/01/24/10 · Note
• https://security.netapp.com/advisory/ntap-20231130-0009 · Note
• https://pypi.org/project/pyminizip/#history · Note
• https://chromium.googlesource.com/chromium/src/+/d709fb23806858847131027da95ef4c548813356 · Note