Medium 6.5Published Dec 28, 2018

CVE-2018-20551A reachable Object::getString assertion in Poppler 0.72.0 allows attackers to cause a denial of service due to construction of invalid rich media annotation assets in the AnnotRichMedia class in Anno…

Updated under an hour ago (Nov 2, 2026, 12:20 AM ET)

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It affects freedesktop poppler and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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A reachable Object::getString assertion in Poppler 0.72.0 allows attackers to cause a denial of service due to construction of invalid rich media annotation assets in the AnnotRichMedia class in Annot.c.

CVSS: 6.5 MEDIUM (v3.0, NVD)CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness (CWE): CWE-20
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Modified
Record last updated: Jun 16, 2026
First seen by InfoSec Signals: Nov 1, 2026

Affected products

Affected products

freedesktop poppler freedesktop:poppler	0.72.0	NVD
canonical ubuntu_linux canonical:ubuntu_linux	14.04; 16.04; 18.04; 18.10	NVD

References

References

https://access.redhat.com/errata/RHSA-2019:2713
https://gitlab.freedesktop.org/poppler/poppler/issues/703	exploit, third-party-advisory
https://gitlab.freedesktop.org/poppler/poppler/merge_requests/146	patch, third-party-advisory
https://usn.ubuntu.com/3886-1/	third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.