What’s Vulnerable › Vulnerabilities
CVE-2018-20650
- Severity: medium (CVSS 6.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 2.6% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2019-01-01 · updated 2026-06-17
- Weakness: CWE-20
Description
A reachable Object::dictLookup assertion in Poppler 0.72.0 allows attackers to cause a denial of service due to the lack of a check for the dict data type, as demonstrated by use of the FileSpec class (in FileSpec.cc) in pdfdetach.
Affected products
- Canonical Ubuntu Linux: 14.04, 16.04, 18.04, 18.10
- Debian Linux: 8.0, 9.0, 10.0
- poppler: 0.72.0
- Red Hat Enterprise Linux: 8.0
- RedHat Enterprise Linux Desktop: 7.0
- RedHat Enterprise Linux Eus: 8.1, 8.2, 8.4, 8.6
- RedHat Enterprise Linux Server: 7.0
- RedHat Enterprise Linux Server Aus: 8.2, 8.4, 8.6
- RedHat Enterprise Linux Server Tus: 8.2, 8.4, 8.6
- RedHat Enterprise Linux Workstation: 7.0
References
- http://www.securityfocus.com/bid/106459
- https://access.redhat.com/errata/RHSA-2019:2022
- https://access.redhat.com/errata/RHSA-2019:2713
- https://gitlab.freedesktop.org/poppler/poppler/commit/de0c0b8324e776f0b851485e0fc9622fc35695b7
- https://gitlab.freedesktop.org/poppler/poppler/issues/704
- https://lists.debian.org/debian-lts-announce/2019/09/msg00033.html
- https://lists.debian.org/debian-lts-announce/2020/11/msg00014.html
- https://lists.debian.org/debian-lts-announce/2022/09/msg00030.html
- https://usn.ubuntu.com/3865-1/
- http://www.securityfocus.com/bid/106459
- https://access.redhat.com/errata/RHSA-2019:2022
- https://access.redhat.com/errata/RHSA-2019:2713
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