poppler: NULL pointer dereference in the XRef::getEntry in XRef.cc
Published Dec 26, 2018
6.5
MEDIUMCVSS 3.0
EPSS 3.42%
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.
Affected products
No data.
Configuration 1
- 0.72.0
Configuration 2
- 14.04
- 16.04
- 18.04
- 18.10
Configuration 3
- 8.0
No data.
Red Hat Enterprise Linux 7
evince-0:3.28.2-8.el7
Fixed · RHSA-2019:2022
Red Hat Enterprise Linux 7
okular-0:4.10.5-7.el7
Fixed · RHSA-2019:2022
Red Hat Enterprise Linux 7
poppler-0:0.26.5-38.el7
Fixed · RHSA-2019:2022
Red Hat Enterprise Linux 8
poppler-0:0.66.0-11.el8_0.12
Fixed · RHSA-2019:2713
Red Hat Enterprise Linux 5
poppler
Will not fix
Red Hat Enterprise Linux 6
poppler
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 7 | evince-0:3.28.2-8.el7 | Fixed | RHSA-2019:2022 |
| Red Hat Enterprise Linux 7 | okular-0:4.10.5-7.el7 | Fixed | RHSA-2019:2022 |
| Red Hat Enterprise Linux 7 | poppler-0:0.26.5-38.el7 | Fixed | RHSA-2019:2022 |
| Red Hat Enterprise Linux 8 | poppler-0:0.66.0-11.el8_0.12 | Fixed | RHSA-2019:2713 |
| Red Hat Enterprise Linux 5 | poppler | Will not fix | n/a |
| Red Hat Enterprise Linux 6 | poppler | Will not fix | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
AV:N/AC:M/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.42% (0.03422) | 88.51th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.42% (0.03422) | 87.32th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.93% (0.00934) | 74.55th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.80% (0.00800) | 82.36th | v3 (v2023.03.01) |
| May 18, 2024 | 0.80% (0.00800) | 81.60th | v3 (v2023.03.01) |
| Dec 19, 2023 | 0.98% (0.00977) | 81.68th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.16% (0.01163) | 82.70th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.41% (0.01408) | 72.89th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.41% (0.01408) | 49.94th | v2 (v2022.01.01) |
| Feb 3, 2022 | 2.90% (0.02895) | 63.70th | v5 (v2026.06.15) |
| Apr 14, 2021 | 2.90% (0.02895) | 0.00th | v1 |
References (12)
- http://www.securityfocus.com/bid/106321 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2019:2022 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2019:2713 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2018-20481 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1665266 Issue Tracking
- https://gitlab.freedesktop.org/poppler/poppler/issues/692 x_refsource_MISCExploitIssue TrackingVendor Advisory
- https://gitlab.freedesktop.org/poppler/poppler/merge_requests/143 x_refsource_MISCPatchVendor Advisory
- https://lists.debian.org/debian-lts-announce/2019/03/msg00008.html mailing-listx_refsource_MLISTThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/07/msg00018.html mailing-listx_refsource_MLIST
- https://nvd.nist.gov/vuln/detail/CVE-2018-20481
- https://usn.ubuntu.com/3865-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2018-20481
Change history (0)
No recorded changes yet.