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CVE-2018-1000801

20
FAUCET Score

CVE-2018-1000801 is a Directory Traversal vulnerability in Okular versions 18.08 and earlier, affecting Debian and KDE Okular installations. This flaw, located in the unpackDocumentArchive function, allows for arbitrary file creation on a user's workstation. Exploitation requires user interaction, specifically opening a specially crafted Okular archive, and has a CVSS score of 5.5 (Medium). There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability. The issue was corrected in Okular version 18.08.1.

Impacted Technologies

VendorProductVersion(s)CPE
<= 18.08CPE matchmatch criteria
cpe:2.3:a:kde:okular:*:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.5MEDIUM

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.83%
Probability of exploitation in next 30 days
EPSS Percentile
76.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0183 is in the 87th percentile among its peer group of 5,760 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: okular-0:4.10.5-8.el7
View patch

Vendor Advisories (1)

redhatCVE-2018-1000801Moderate

okular: Directory traversal in function unpackDocumentArchive() in core/document.cpp

Sep 6, 2018

References

bugs.kde.org / show_bug.cgi
ExploitIssue TrackingPatchThird Party Advisory
cgit.kde.org / okular.git/commit
PatchThird Party Advisory
lists.debian.org / debian-lts-announce/2018/09/msg00027.html
Mailing ListThird Party Advisory
security.gentoo.org / glsa/201811-08
Third Party Advisory
debian.org / security/2018/dsa-4303
Third Party Advisory