CVE-2018-20662

Description

In Poppler 0.72.0, PDFDoc::setup in PDFDoc.cc allows attackers to cause a denial-of-service (application crash caused by Object.h SIGABRT, because of a wrong return value from PDFDoc::setup) by crafting a PDF file in which an xref data structure is mishandled during extractPDFSubtype processing.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.47%
Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory ubuntu.com Vendor Advisory redhat.com Vendor Advisory redhat.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://gitlab.freedesktop.org/poppler/poppler/issues/706 third party advisory
https://lists.debian.org/debian-lts-announce/2019/03/msg00008.html third party advisory mailing list
https://gitlab.freedesktop.org/poppler/poppler/commit/9fd5ec0e6e5f763b190f2a55ceb5427cfe851d5f third party advisory patch
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BI7NLDN2HUEU4ZW3D7XPHOAEGT2CKDRO/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JQ6RABASMSIMMWMDZTP6ZWUWZPTBSVB5/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZWP5XSUG6GNRI75NYKF53KIB2CZY6QQ6/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6OSCOYM3AMFFBJWSBWY6VJVLNE5JD7YS/ vendor advisory
https://usn.ubuntu.com/4042-1/ third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2019:2022 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2019:2713 third party advisory vendor advisory
https://lists.debian.org/debian-lts-announce/2020/11/msg00014.html third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2018-20662?
CVE-2018-20662 has been scored as a medium severity vulnerability.
How to fix CVE-2018-20662?
To fix CVE-2018-20662, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-20662 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2018-20662 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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