What’s Vulnerable › Vulnerabilities

CVE-2023-46228

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-10-19 · updated 2026-06-17
• Weakness: CWE-190

Description

zchunk before 1.3.2 has multiple integer overflows via malformed zchunk files to lib/comp/comp.c, lib/comp/zstd/zstd.c, lib/dl/multipart.c, or lib/header.c.

Affected products

• Zchunk: before 1.3.2 — fixed in 1.3.2

How to fix

Upgrade to a fixed version: Zchunk 1.3.2. Check the vendor advisory for mitigations.

References

• https://bugzilla.suse.com/show_bug.cgi?id=1216268
• https://github.com/zchunk/zchunk/commit/08aec2b4dfd7f709b6e3d511411ffcc83ed4efbe
• https://github.com/zchunk/zchunk/compare/1.3.1...1.3.2
• https://bugzilla.suse.com/show_bug.cgi?id=1216268
• https://github.com/zchunk/zchunk/commit/08aec2b4dfd7f709b6e3d511411ffcc83ed4efbe
• https://github.com/zchunk/zchunk/compare/1.3.1...1.3.2

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