Description
unzip 6.0 allows remote attackers to cause a denial of service (out-of-bounds read or write and crash) via an extra field with an uncompressed size smaller than the compressed field size in a zip archive that advertises STORED method compression.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | unzip | 6.0-15 | — |
| Debian 13 | unzip | 6.0-15 | — |
| Debian 12 | unzip | 6.0-15 | — |
| Debian 7 | unzip | 6.0-8+deb7u2 | DSA-3152-1 |
| Debian 6.0 | unzip | 6.0-4+deb6u2 | DLA-150-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | unzip | 6.0-9ubuntu1.2 | USN-2489-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | unzip | 6.0-15.ael7b | RHSA-2015:0700 |
| RHEL 6 | unzip | 6.0-2.el6_6 | RHSA-2015:0700 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 | unzip | 6.00-4.3.1 | SUSE-SU-2018:1883-1 |
| SLES 12 SP3 | unzip | 6.00-33.8.1 | SUSE-SU-2018:2978-1 |
| SLES 12 | unzip | 6.00-32.1 | SUSE-SU-2015:0355-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP3 | unzip | 6.00-33.8.1 | SUSE-SU-2018:2978-1 |
| SLES for SAP 12 | unzip | 6.00-32.1 | SUSE-SU-2015:0355-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | unzip | 6.00-39.1 | openSUSE-SU-2024:11485-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | unzip | 6.0-r3 | — |
| Alpine v3.23 | unzip | 6.0-r3 | — |
| Alpine v3.22 | unzip | 6.0-r3 | — |
| Alpine v3.21 | unzip | 6.0-r3 | — |
| Alpine v3.20 | unzip | 6.0-r3 | — |
Show 15 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | unzip | 6.0-r3 | — |
| Alpine v3.18 | unzip | 6.0-r3 | — |
| Alpine v3.17 | unzip | 6.0-r3 | — |
| Alpine v3.16 | unzip | 6.0-r3 | — |
| Alpine v3.15 | unzip | 6.0-r3 | — |
| Alpine v3.14 | unzip | 6.0-r3 | — |
| Alpine v3.13 | unzip | 6.0-r3 | — |
| Alpine v3.12 | unzip | 6.0-r3 | — |
| Alpine v3.11 | unzip | 6.0-r3 | — |
| Alpine v3.10 | unzip | 6.0-r3 | — |
| Alpine v3.9 | unzip | 6.0-r3 | — |
| Alpine v3.8 | unzip | 6.0-r3 | — |
| Alpine v3.7 | unzip | 6.0-r3 | — |
| Alpine v3.6 | unzip | 6.0-r3 | — |
| Alpine v3.5 | unzip | 6.0-r3 | — |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | unzip | 6.0-20 | — |
| Azure Linux 2 (CBL-Mariner) | unzip | 6.0-19 | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | unzip | 6.0-15.el7 | ELSA-2015-0700 |
Advisories 9
- RHSA-2015:0700 Red Hat Security Advisory: unzip security update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- DSA-3152-1 unzip - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-150-1 unzip - security update Debian Security (DSA / DLA) · Mar 9, 2026
- USN-2489-1 unzip vulnerability Ubuntu Security Notices (USN) · Feb 10, 2026
- SUSE-SU-2018:2978-1 Security update for unzip SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:11485-1 unzip-6.00-39.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2015:0355-1 Security update for unzip SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:1883-1 Security update for unzip SUSE / openSUSE Security Updates · Feb 4, 2026
- ELSA-2015-0700 Moderate: unzip security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Mar 18, 2015
References
- [oss-security] 20141222 Re: CVE Request: Info-ZIP unzip 6.0 mailing-list
- 62738 third-party-advisory
- GLSA-201611-01 vendor-advisory
- FEDORA-2015-1267 vendor-advisory
- 62751 third-party-advisory
- [oss-security] 20141222 CVE Request: Info-ZIP unzip 6.0 mailing-list
- 71825 vdb-entry
- USN-2489-1 vendor-advisory
- DSA-3152 vendor-advisory
- [oss-security] 20141102 unzip -t crasher mailing-list
- http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html
- FEDORA-2015-1189 vendor-advisory
- [oss-security] 20141103 Re: unzip -t crasher mailing-list
- http://www.info-zip.org/phpBB3/viewtopic.php?f=7&t=450