Description
p7zip 9.20.1 allows remote attackers to write to arbitrary files via a symlink attack in an archive.
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 13 | p7zip | 9.20.1~dfsg.1-4.2 | — |
| Debian 12 | p7zip | 9.20.1~dfsg.1-4.2 | — |
| Debian 8 | p7zip | 9.20.1~dfsg.1-4.1+deb8u1 | DSA-3289-1 |
| Debian 7 | p7zip | 9.20.1~dfsg.1-4+deb7u1 | DSA-3289-1 |
| Debian 6.0 | p7zip | 9.04~dfsg.1-1+deb6u1 | DLA-245-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | p7zip | 9.20.1~dfsg.1-4+deb7u1build0.14.04.1 | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 | p7zip | 9.20.1-3.2 | SUSE-SU-2015:1433-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 | p7zip | 9.20.1-3.2 | SUSE-SU-2015:1433-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | p7zip | 16.02-2.1 | openSUSE-SU-2024:10322-1 |
Advisories 4
- DSA-3289-1 p7zip - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-245-1 p7zip - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2015:1433-1 Security update for p7zip SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:10322-1 p7zip-16.02-2.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
References
- openSUSE-SU-2015:1162 vendor-advisory
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=774660
- FEDORA-2015-d5cc306730 vendor-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1179505
- http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html
- 71890 vdb-entry
- DSA-3289 vendor-advisory
- [oss-security] 20150111 Re: CVE request for directory traversal flaw in p7zip mailing-list
- FEDORA-2015-fadaa9953e vendor-advisory
- p7zip-cve20151038-symlink(99970) vdb-entry