CVE catalog

CVE-2018-18384

unzip: CVE-2018-18384

Severity: Low · CVSS 3.3CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Published: Oct 16, 2018, 4:50:00 PM UTC
Source: [NVD] · [CVE record]
EPSS: 2.59% · Oct 25, 2026

Info-ZIP UnZip 6.0 has a buffer overflow in list.c, when a ZIP archive has a crafted relationship between the compressed-size value and the uncompressed-size value, because a buffer size is 10 and is supposed to be 12.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	unzip	sid	`6.0-31`	fixed
Debian	unzip	forky	`6.0-31`	fixed
Debian	unzip	trixie	`6.0-29+deb13u1`	fixed
Debian	unzip	trixie-security	`6.0-29+deb13u1`	fixed
Debian	unzip	bookworm	`6.0-28`	fixed
Debian	unzip	bookworm-security	`6.0-28+deb12u1`	fixed
Alpine	unzip	3.11	`6.0-r7`	fixed
Alpine	unzip	3.12	`6.0-r9`	fixed
Alpine	unzip	3.13	`6.0-r9`	fixed
Alpine	unzip	3.14	`6.0-r9`	fixed
Alpine	unzip	3.15	`6.0-r9`	fixed
Alpine	unzip	3.16	`6.0-r9`	fixed
Alpine	unzip	3.17	`6.0-r9`	fixed
Alpine	unzip	3.18	`6.0-r9`	fixed
Alpine	unzip	3.19	`6.0-r9`	fixed
Alpine	unzip	3.20	`6.0-r9`	fixed
Alpine	unzip	3.21	`6.0-r9`	fixed
Alpine	unzip	3.22	`6.0-r9`	fixed
Alpine	unzip	3.23	`6.0-r9`	fixed
Alpine	unzip	3.24	`6.0-r9`	fixed
Suse	unzip	linux enterprise server 11 sp4	`6.00-11.18.8.1`	fixed
Suse	unzip	linux enterprise server for sap applications 11 sp4	`6.00-11.18.8.1`	fixed
Suse	unzip	linux enterprise module for basesystem 15	`6.00-4.8.13`	fixed
Opensuse	unzip	leap 15.0	`6.00-lp150.8.3`	fixed
Opensuse	unzip-rcc	leap 15.0	`6.00-lp150.8.3`	fixed
Suse	unzip	linux enterprise server 12 sp4	`6.00-33.13.3`	fixed
Suse	unzip	linux enterprise server for sap applications 12 sp4	`6.00-33.13.3`	fixed
Suse	unzip	linux enterprise server 12 sp5	`6.00-33.13.3`	fixed
Suse	unzip	linux enterprise server for sap applications 12 sp5	`6.00-33.13.3`	fixed
Ubuntu	unzip	pro	`6.0-9ubuntu1`	vulnerable
Ubuntu	unzip	pro	`6.0-9ubuntu1.1`	vulnerable
Ubuntu	unzip	pro	`6.0-9ubuntu1.2`	vulnerable
Ubuntu	unzip	pro	`6.0-9ubuntu1.3`	vulnerable
Ubuntu	unzip	pro	`6.0-9ubuntu1.4`	vulnerable
Ubuntu	unzip	pro	`6.0-9ubuntu1.5`	vulnerable
Ubuntu	unzip	pro	`6.0-9ubuntu1.6`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	unzip	source	sid	`6.0-11`	not yet assigned	Not reported	[741384]
Debian	unzip	source	forky	`6.0-11`	not yet assigned	Not reported	[741384]
Debian	unzip	source	trixie	`6.0-11`	not yet assigned	Not reported	[741384]
Debian	unzip	source	bookworm	`6.0-11`	not yet assigned	Not reported	[741384]
Alpine	unzip	apk	3.11	`6.0-r7`	Not reported	ALPINE-CVE-2018-18384	Not reported
Alpine	unzip	apk	3.12	`6.0-r9`	Not reported	ALPINE-CVE-2018-18384	Not reported
Alpine	unzip	apk	3.13	`6.0-r9`	Not reported	ALPINE-CVE-2018-18384	Not reported
Alpine	unzip	apk	3.14	`6.0-r9`	Not reported	ALPINE-CVE-2018-18384	Not reported
Alpine	unzip	apk	3.15	`6.0-r9`	Not reported	ALPINE-CVE-2018-18384	Not reported
Alpine	unzip	apk	3.16	`6.0-r9`	Not reported	ALPINE-CVE-2018-18384	Not reported
Alpine	unzip	apk	3.17	`6.0-r9`	Not reported	ALPINE-CVE-2018-18384	Not reported
Alpine	unzip	apk	3.18	`6.0-r9`	Not reported	ALPINE-CVE-2018-18384	Not reported
Alpine	unzip	apk	3.19	`6.0-r9`	Not reported	ALPINE-CVE-2018-18384	Not reported
Alpine	unzip	apk	3.20	`6.0-r9`	Not reported	ALPINE-CVE-2018-18384	Not reported
Alpine	unzip	apk	3.21	`6.0-r9`	Not reported	ALPINE-CVE-2018-18384	Not reported
Alpine	unzip	apk	3.22	`6.0-r9`	Not reported	ALPINE-CVE-2018-18384	Not reported
Alpine	unzip	apk	3.23	`6.0-r9`	Not reported	ALPINE-CVE-2018-18384	Not reported
Alpine	unzip	apk	3.24	`6.0-r9`	Not reported	ALPINE-CVE-2018-18384	Not reported
Suse	unzip	rpm	linux enterprise server 11 sp4	`6.00-11.18.8.1`	Not reported	SUSE-SU-2019:13984-1	Not reported
Suse	unzip	rpm	linux enterprise server for sap applications 11 sp4	`6.00-11.18.8.1`	Not reported	SUSE-SU-2019:13984-1	Not reported
Suse	unzip	rpm	linux enterprise module for basesystem 15	`6.00-4.8.13`	Not reported	SUSE-SU-2019:0707-1	Not reported
Opensuse	unzip	rpm	leap 15.0	`6.00-lp150.8.3`	Not reported	OPENSUSE-SU-2019:1117-1	Not reported
Opensuse	unzip-rcc	rpm	leap 15.0	`6.00-lp150.8.3`	Not reported	OPENSUSE-SU-2019:1117-1	Not reported
Suse	unzip	rpm	linux enterprise server 12 sp4	`6.00-33.13.3`	Not reported	SUSE-SU-2020:1796-1	Not reported
Suse	unzip	rpm	linux enterprise server for sap applications 12 sp4	`6.00-33.13.3`	Not reported	SUSE-SU-2020:1796-1	Not reported
Suse	unzip	rpm	linux enterprise server 12 sp5	`6.00-33.13.3`	Not reported	SUSE-SU-2020:1796-1	Not reported
Suse	unzip	rpm	linux enterprise server for sap applications 12 sp5	`6.00-33.13.3`	Not reported	SUSE-SU-2020:1796-1	Not reported
Ubuntu	unzip	deb	pro	`6.0-9ubuntu1.6`	Not reported	UBUNTU-CVE-2018-18384	Not reported

[Debian bug #741384]

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

[Debian 12 (Bookworm)]

[unzip]Unknown
Details (4)
- 6.0-28 · amd64 · bookworm
  Fixed · Fixed: 6.0-11
  dsa · unzip · debian · bookworm; dsa · unzip · debian · 12
- 6.0-28 · arm64 · bookworm
  Fixed · Fixed: 6.0-11
  dsa · unzip · debian · bookworm; dsa · unzip · debian · 12
- 6.0-28+deb12u1 · amd64 · bookworm-security
  Fixed · Fixed: 6.0-11
  dsa · unzip · debian · bookworm; dsa · unzip · debian · 12
- 6.0-28+deb12u1 · arm64 · bookworm-security
  Fixed · Fixed: 6.0-11
  dsa · unzip · debian · bookworm; dsa · unzip · debian · 12

[Debian 13 (Trixie)]

[unzip]Unknown
Details (4)
- 6.0-29 · amd64 · trixie
  Fixed · Fixed: 6.0-11
  dsa · unzip · debian · 13
- 6.0-29 · arm64 · trixie
  Fixed · Fixed: 6.0-11
  dsa · unzip · debian · 13
- 6.0-29+deb13u1 · amd64 · trixie-security
  Fixed · Fixed: 6.0-11
  dsa · unzip · debian · 13
- 6.0-29+deb13u1 · arm64 · trixie-security
  Fixed · Fixed: 6.0-11
  dsa · unzip · debian · 13

Observed: Oct 23, 2026, 5:35:30 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]