What’s Vulnerable › Vulnerabilities

CVE-2026-111142: Zziplib through 0.13.80 Out-of-Bounds Read via zzip_disk_findfirst

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-15 · updated 2026-10-16
• Weakness: CWE-125

Description

Zziplib through 0.13.80 contains an out-of-bounds read vulnerability in zzip/mmapped.c that allows attackers to over-read heap memory via a crafted ZIP central directory. Attackers can craft an end-of-central-directory record placing the first entry near the buffer end, causing zzip_disk_entry_strdup_name to read past the buffer and crash the application.

Affected products

• gdraheim zziplib: through 0.13.80

References

• https://github.com/gdraheim/zziplib
• https://github.com/gdraheim/zziplib/blob/f58313c1f65f46bf73f3526d1afd4d6bb46cc4ae/zzip/mmapped.c#L323-L352
• https://github.com/gdraheim/zziplib/blob/f58313c1f65f46bf73f3526d1afd4d6bb46cc4ae/zzip/mmapped.c#L420-L497
• https://hackmd.io/@haind-pwn/zziplib-zip-central-directory-oob-read
• https://www.vulncheck.com/advisories/zziplib-through-0.13.80-out-of-bounds-read-via-zzip-disk-findfirst

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