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Vulnerability details: VCID-eqbz-ekbm-zfab
Vulnerability ID VCID-eqbz-ekbm-zfab
Aliases CVE-2018-20650
Summary 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.
Status Published
Exploitability 0.5
Weighted Severity 5.9
Risk 3.0
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-20 Improper Input Validation
CWE-617 Reachable Assertion
System Score Found at
cvssv3 3.3 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-20650.json
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2018-20650
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2018-20650
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2018-20650
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2018-20650
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2018-20650
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2018-20650
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2018-20650
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2018-20650
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2018-20650
epss 0.00561 https://api.first.org/data/v1/epss?cve=CVE-2018-20650
epss 0.00561 https://api.first.org/data/v1/epss?cve=CVE-2018-20650
epss 0.00561 https://api.first.org/data/v1/epss?cve=CVE-2018-20650
epss 0.00561 https://api.first.org/data/v1/epss?cve=CVE-2018-20650
epss 0.00561 https://api.first.org/data/v1/epss?cve=CVE-2018-20650
epss 0.00561 https://api.first.org/data/v1/epss?cve=CVE-2018-20650
epss 0.00561 https://api.first.org/data/v1/epss?cve=CVE-2018-20650
epss 0.00561 https://api.first.org/data/v1/epss?cve=CVE-2018-20650
epss 0.00561 https://api.first.org/data/v1/epss?cve=CVE-2018-20650
epss 0.00561 https://api.first.org/data/v1/epss?cve=CVE-2018-20650
epss 0.00561 https://api.first.org/data/v1/epss?cve=CVE-2018-20650
epss 0.00561 https://api.first.org/data/v1/epss?cve=CVE-2018-20650
epss 0.00561 https://api.first.org/data/v1/epss?cve=CVE-2018-20650
epss 0.00561 https://api.first.org/data/v1/epss?cve=CVE-2018-20650
epss 0.00561 https://api.first.org/data/v1/epss?cve=CVE-2018-20650
epss 0.00561 https://api.first.org/data/v1/epss?cve=CVE-2018-20650
epss 0.00561 https://api.first.org/data/v1/epss?cve=CVE-2018-20650
epss 0.00561 https://api.first.org/data/v1/epss?cve=CVE-2018-20650
cvssv3 3.3 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 4.3 https://nvd.nist.gov/vuln/detail/CVE-2018-20650
cvssv3.1 6.5 https://nvd.nist.gov/vuln/detail/CVE-2018-20650
Reference id Reference type URL
https://access.redhat.com/errata/RHSA-2019:2022
https://access.redhat.com/errata/RHSA-2019:2713
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-20650.json
https://api.first.org/data/v1/epss?cve=CVE-2018-20650
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20650
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
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
http://www.securityfocus.com/bid/106459
1665263 https://bugzilla.redhat.com/show_bug.cgi?id=1665263
917974 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=917974
cpe:2.3:a:freedesktop:poppler:0.72.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:freedesktop:poppler:0.72.0:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_eus:8.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_eus:8.1:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_eus:8.2:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_eus:8.2:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_eus:8.4:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_eus:8.4:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_eus:8.6:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_eus:8.6:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_aus:8.2:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server_aus:8.2:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_aus:8.4:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server_aus:8.4:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_aus:8.6:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server_aus:8.6:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_tus:8.2:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server_tus:8.2:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_tus:8.4:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server_tus:8.4:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_tus:8.6:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server_tus:8.6:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
CVE-2018-20650 https://nvd.nist.gov/vuln/detail/CVE-2018-20650
USN-3865-1 https://usn.ubuntu.com/3865-1/
No exploits are available.
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-20650.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2018-20650
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2018-20650
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.60723
EPSS Score 0.00413
Published At Sept. 9, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:37:57.608393+00:00 Ubuntu USN Importer Import https://usn.ubuntu.com/3865-1/ 37.0.0