CVE-2017-5976 Memory corruption in n/a

What is CVE-2017-5976?

CVE-2017-5976 is a medium-severity memory corruption vulnerability in Debian Debian Linux, published on 1 Mar 2017. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

Heap-based buffer overflow in the zzip_mem_entry_extra_block function in memdisk.c in zziplib 0.13.62, 0.13.61, 0.13.60, 0.13.59, 0.13.58, 0.13.57, 0.13.56 allows remote attackers to cause a denial of service (crash) via a crafted ZIP file.

Weakness: CWE-787

Which versions are affected by CVE-2017-5976?

It affects 2 products.

Products include Debian Debian Linux, Gdraheim Zziplib.

How do I fix CVE-2017-5976?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2017-5976 being exploited?

There is no known exploitation of CVE-2017-5976 in the wild and no public exploit code.

Other vulnerabilities in Debian Debian Linux

• CVE-2015-3306 ProFTPD Improper Access Control Exploited Critical 10.0
• CVE-2025-49113 RoundCube Webmail Deserialization of Untrusted Data Exploited Critical 9.9
• CVE-2026-24061 GNU InetUtils Argument Injection Exploited Critical 9.8
• CVE-2025-39682 Linux Kernel Improper Check for Unusual or Exceptional Conditions Exploited Critical 9.8
• CVE-2024-9680 Mozilla Firefox Use-After-Free Exploited Critical 9.8

All Debian Debian Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2017-5976, GHSA-82cg-4f6v-jhh7, UBUNTU-CVE-2017-5976.