Description
Heap-based buffer overflow in the zzip_mem_entry_extra_block function in memdisk.c in zziplib 0.13.62, 0.13.61, 0.13.60, 0.13.59, 0.13.58, 0.13.57, 0.13.56 allows remote attackers to cause a denial of service (crash) via a crafted ZIP file.
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 | zziplib | 0.13.62-3.1 | — |
| Debian 13 | zziplib | 0.13.62-3.1 | — |
| Debian 12 | zziplib | 0.13.62-3.1 | — |
| Debian 8 | zziplib | 0.13.62-3+deb8u1 | DSA-3878-1 |
| Debian 7 | zziplib | 0.13.56-1.1+deb7u1 | DLA-994-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | zziplib | 0.13.62-3ubuntu0.16.04.1 | USN-3320-1 |
| Ubuntu 14.04 LTS | zziplib | 0.13.62-2ubuntu0.1 | USN-3320-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP2 | zziplib | 0.13.62-9.1 | SUSE-SU-2017:1095-1 |
| SLES 12 SP1 | zziplib | 0.13.62-9.1 | SUSE-SU-2017:1095-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | zziplib | 0.13.72-1.4 | openSUSE-SU-2024:11546-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.6 | zziplib | 0.13.67-r0 | — |
| Alpine v3.5 | zziplib | 0.13.67-r0 | — |
Advisories 5
- USN-3320-1 zziplib vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- DLA-994-1 zziplib - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-3878-1 zziplib - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2017:1095-1 Security update for zziplib SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:11546-1 libzzip-0-13-0.13.72-1.4 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026