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CVE-2017-5977

16
FAUCET Score

CVE-2017-5977 is a denial-of-service vulnerability affecting zziplib 0.13.62, specifically within the zzip_mem_entry_extra_block function. This medium-severity flaw (CVSS 5.5) can be triggered by a remote attacker providing a specially crafted ZIP file, leading to an invalid memory read and system crash. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
0.13.62CPE matchmatch criteria
cpe:2.3:a:gdraheim:zziplib:0.13.62:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.5MEDIUM

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.73%
Probability of exploitation in next 30 days
EPSS Percentile
75.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0173 is in the 86th percentile among its peer group of 5,760 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: zziplib

Vendor Advisories (1)

redhatCVE-2017-5977Low

zziplib: invalid memory read in zzip_mem_entry_extra_block (memdisk.c)

Feb 9, 2017

References

blogs.gentoo.org / ago/2017/02/09/zziplib-invalid-memory-read-in-zzip_mem_entry_extra_block-memdisk-c
ExploitThird Party Advisory
openwall.com / lists/oss-security/2017/02/14/3
Mailing ListThird Party Advisory
securityfocus.com / bid/96268