CVE-2018-20481
XRef::getEntry in XRef.cc in Poppler 0.72.0 mishandles unallocated XRef entries, which allows remote attackers to cause a denial of service (NULL pointer dereference) via a crafted PDF document, when XRefEntry::setFlag in XRef.h is called from…
Does this matter?
Lower severity and a low EPSS score (3.29%). Track it; it rarely justifies an emergency change on its own.
Description
XRef::getEntry in XRef.cc in Poppler 0.72.0 mishandles unallocated XRef entries, which allows remote attackers to cause a denial of service (NULL pointer dereference) via a crafted PDF document, when XRefEntry::setFlag in XRef.h is called from Parser::makeStream in Parser.cc.
- CVSS 3.0
- 6.5 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- EPSS
- 3.29% probability · 88th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-476
- Affected
- freedesktop/poppler · canonical/ubuntu linux · debian/debian linux
- Source
- cve@mitre.org
EPSS 3.3% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://www.securityfocus.com/bid/106321Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2019:2022
- https://access.redhat.com/errata/RHSA-2019:2713
- https://gitlab.freedesktop.org/poppler/poppler/issues/692Exploit, Issue Tracking, Vendor Advisory
- https://gitlab.freedesktop.org/poppler/poppler/merge_requests/143Patch, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2019/03/msg00008.htmlThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/07/msg00018.html
- https://usn.ubuntu.com/3865-1/Third Party Advisory
- http://www.securityfocus.com/bid/106321Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2019:2022
- https://access.redhat.com/errata/RHSA-2019:2713
- https://gitlab.freedesktop.org/poppler/poppler/issues/692Exploit, Issue Tracking, Vendor Advisory
- https://gitlab.freedesktop.org/poppler/poppler/merge_requests/143Patch, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2019/03/msg00008.htmlThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/07/msg00018.html
- https://usn.ubuntu.com/3865-1/Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.