CVE-2017-5976

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.0% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2017-03-01 · updated 2026-06-17
Weakness: CWE-787

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.

Affected products

Debian Linux: 8.0, 9.0
gdraheim zziplib: 0.13.56, 0.13.57, 0.13.58, 0.13.59, 0.13.60, 0.13.61 (+1)

References

http://www.debian.org/security/2017/dsa-3878
http://www.openwall.com/lists/oss-security/2017/02/14/3
http://www.securityfocus.com/bid/96268
https://blogs.gentoo.org/ago/2017/02/09/zziplib-heap-based-buffer-overflow-in-zzip_mem_entry_extra_block-memdisk-c/
http://www.debian.org/security/2017/dsa-3878
http://www.openwall.com/lists/oss-security/2017/02/14/3
http://www.securityfocus.com/bid/96268
https://blogs.gentoo.org/ago/2017/02/09/zziplib-heap-based-buffer-overflow-in-zzip_mem_entry_extra_block-memdisk-c/

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