CVE-2017-5976

Name: CVE-2017-5976
Creator: NVD / NIST
Published: 2017-03-01T15:59:01.197+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 2.08%

Last modified Jun 17, 2026

CVE-2017-5976 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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.. EPSS estimates a 2.08% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

5.5/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS Probability

2.08%

79.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Gdraheim	Zziplib	0.13.56
Gdraheim	Zziplib	0.13.57
Gdraheim	Zziplib	0.13.58
Gdraheim	Zziplib	0.13.59
Gdraheim	Zziplib	0.13.60
Gdraheim	Zziplib	0.13.61
Gdraheim	Zziplib	0.13.62
Debian	Debian Linux	8.0
Debian	Debian Linux	9.0

References

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

Timeline

Published: Mar 1, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-5976?

How severe is CVE-2017-5976?

CVE-2017-5976 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 2.08% probability of exploitation in the next 30 days.

How do I fix CVE-2017-5976?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-5976?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST