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Fencer Intel
high 7.8

CVE-2014-8140 json

Heap-based buffer overflow in the test_compr_eb function in Info-ZIP UnZip 6.0 and earlier allows remote attackers to execute arbitrary cod…

published 2020-01-31 6 y ago modified 2026-06-17 4 mo ago also EUVD-2014-7983

cvss
7.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
7.4%
EPSS 7.4% chance of exploitation in 30 days, percentile 94%
public exploits
0
none known

Summary

Heap-based buffer overflow in the test_compr_eb function in Info-ZIP UnZip 6.0 and earlier allows remote attackers to execute arbitrary code via a crafted zip file in the -t command argument to the unzip command.

Patch / fix

  • unzip Debian 14, Debian 13, Debian 12 6.0-13

debian advisories DEBIAN-CVE-2014-8140

  • unzip Ubuntu 14.04 LTS 6.0-9ubuntu1.1

ubuntu advisories UBUNTU-CVE-2014-8140

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • unzip RHEL 6 6.0-2.el6_6
  • unzip RHEL 7 6.0-15.el7
  • unzip RHEL 7 6.0-15.ael7b

red hat advisories RHSA-2015:0700

  • unzip openSUSE Tumbleweed 6.00-31.1

opensuse advisories openSUSE-SU-2024:10480-1

  • unzip Alpine 3.24, Alpine 3.23, Alpine 3.22 +17 more 6.0-r3

alpine advisories ALPINE-CVE-2014-8140

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • unzip Azure Linux 3.0 6.0-20
  • unzip CBL-Mariner 2.0 6.0-19

azure linux advisories AZL-35332AZL-6934

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2014-8140 updated cvss 4.3

unzip: out-of-bounds write issue in test_compr_eb() (oCERT-2014-011)

  • Red Hat Enterprise Linux 5 unzip
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux Client (v. 7) unzip 6.0-15.el7 Red Hat Enterprise Linux ComputeNode (v. 7) unzip 6.0-15.el7 Red Hat Enterprise Linux Desktop (v. 6) unzip 6.0-2.el6_6 Red Hat Enterprise Linux HPC Node (v. 6) unzip 6.0-2.el6_6 Red Hat Enterprise Linux Server (v. 6) unzip 6.0-2.el6_6 Red Hat Enterprise Linux Server (v. 7) unzip 6.0-15.el7, unzip 6.0-15.ael7b
    +2 more products
    Red Hat Enterprise Linux Workstation (v. 6) unzip 6.0-2.el6_6 Red Hat Enterprise Linux Workstation (v. 7) unzip 6.0-15.el7
    fixed: vendor fix RHSA-2015:0700

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

7.45% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected products

  • Info-ZIP UnZip

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.