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CVE-2018-20662

23
FAUCET Score

CVE-2018-20662 describes a denial-of-service vulnerability in Poppler 0.72.0, where a specially crafted PDF file can cause an application crash due to mishandling of xref data structures during PDF processing. This vulnerability primarily affects various Linux distributions including Canonical, Debian, Fedora, and Red Hat. With a CVSS score of 6.5 (Medium), it can be exploited remotely with low attack complexity, requiring user interaction to trigger an application crash. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
0.72.0CPE matchmatch criteria
cpe:2.3:a:freedesktop:poppler:0.72.0:*:*:*:*:*:*:*
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:*:*:*:*:*:*:*
28CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:28:*:*:*:*:*:*:*
29CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.24%
Probability of exploitation in next 30 days
EPSS Percentile
81.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0224 is in the 91st percentile among its peer group of 26,234 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 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 (6)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: evince-0:3.28.2-8.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: okular-0:4.10.5-7.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: poppler-0:0.26.5-38.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: poppler-0:0.66.0-11.el8_0.12
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: poppler
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: poppler

Vendor Advisories (1)

redhatCVE-2018-20662Low

poppler: SIGABRT PDFDoc::setup class in PDFDoc.cc

Dec 30, 2018

References

access.redhat.com / errata/RHSA-2019:2022
Third Party Advisory
access.redhat.com / errata/RHSA-2019:2713
Third Party Advisory
gitlab.freedesktop.org / poppler/poppler/commit/9fd5ec0e6e5f763b190f2a55ceb5427cfe851d5f
PatchThird Party Advisory
gitlab.freedesktop.org / poppler/poppler/issues/706
Third Party Advisory
lists.debian.org / debian-lts-announce/2019/03/msg00008.html
Mailing ListThird Party Advisory
lists.debian.org / debian-lts-announce/2020/11/msg00014.html
Mailing ListThird Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/6OSCOYM3AMFFBJWSBWY6VJVLNE5JD7YS
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/BI7NLDN2HUEU4ZW3D7XPHOAEGT2CKDRO
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/JQ6RABASMSIMMWMDZTP6ZWUWZPTBSVB5
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/ZWP5XSUG6GNRI75NYKF53KIB2CZY6QQ6
usn.ubuntu.com / 4042-1
Third Party Advisory