Description
Heap-based buffer overflow in the getZip64Data 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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Info-ZIP | UnZip | 6.0 and earlier | — |
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 | 6.0-13 | — |
| Debian 13 | unzip | 6.0-13 | — |
| Debian 12 | unzip | 6.0-13 | — |
| Debian 7 | unzip | 6.0-8+deb7u1 | DSA-3113-1 |
| Debian 6.0 | unzip | 6.0-4+deb6u1 | DLA-124-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | unzip | 6.0-9ubuntu1.1 | USN-2472-1 |
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 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | unzip | 6.00-31.1 | openSUSE-SU-2024:10480-1 |
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 6
- RHSA-2015:0700 Red Hat Security Advisory: unzip security update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- DSA-3113-1 unzip - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-124-1 unzip - security update Debian Security (DSA / DLA) · Mar 9, 2026
- USN-2472-1 unzip vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- openSUSE-SU-2024:10480-1 unzip-6.00-31.1 on GA media 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