Description
okular version 18.08 and earlier contains a Directory Traversal vulnerability in function "unpackDocumentArchive(...)" in "core/document.cpp" that can result in Arbitrary file creation on the user workstation. This attack appear to be exploitable via he victim must open a specially crafted Okular archive. This issue appears to have been corrected in version 18.08.1
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 | okular | 4:17.12.2-2.1 | — |
| Debian 13 | okular | 4:17.12.2-2.1 | — |
| Debian 12 | okular | 4:17.12.2-2.1 | — |
| Debian 9 | okular | 4:16.08.2-1+deb9u1 | DSA-4303-1 |
| Debian 8 | okular | 4:4.14.2-2+deb8u1 | DLA-1516-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | okular | No fix yet | — |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 18.04 LTS | okular | 4:17.12.3-0ubuntu1+esm1 | USN-4830-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | okular +3 | 4.10.5-8.el7 | RHSA-2020:1173 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | okular | 21.08.1-1.2 | openSUSE-SU-2024:11110-1 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | okular +3 | 4.10.5-8.el7 | ELSA-2020-1173 |
Advisories 7
- RHSA-2020:1173 Red Hat Security Advisory: okular security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- USN-4830-1 okular vulnerability Ubuntu Security Notices (USN) · Apr 27, 2026
- DSA-4303-1 okular - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-1516-1 okular - security update Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2024:11110-1 okular-21.08.1-1.2 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2025-2548 Red Hat Enterprise Linux: Mehrere Schwachstellen BSI CERT-Bund (WID) · Dec 2, 2025
- ELSA-2020-1173 Moderate: okular security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Apr 6, 2020