CVE-2018-6540

Severity: medium (CVSS 6.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2018-02-02 · updated 2026-06-17

Description

In ZZIPlib 0.13.67, there is a bus error caused by loading of a misaligned address in the zzip_disk_findfirst function of zzip/mmapped.c. Remote attackers could leverage this vulnerability to cause a denial of service via a crafted zip file.

Affected products

Canonical Ubuntu Linux: 14.04, 16.04, 17.10, 18.04
gdraheim zziplib: 0.13.67

References

https://github.com/gdraheim/zziplib/issues/15
https://lists.debian.org/debian-lts-announce/2020/06/msg00029.html
https://usn.ubuntu.com/3699-1/
https://github.com/gdraheim/zziplib/issues/15
https://lists.debian.org/debian-lts-announce/2020/06/msg00029.html
https://usn.ubuntu.com/3699-1/

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