CVE-2018-16647
In Artifex MuPDF 1.13.0, the pdf_get_xref_entry function in pdf/pdf-xref.c allows remote...
In Artifex MuPDF 1.13.0, the pdf_get_xref_entry function in pdf/pdf-xref.c allows remote attackers to cause a denial of service (segmentation fault in fz_write_data in fitz/output.c) via a crafted pdf file.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
5.5
In Artifex MuPDF 1.13.0, the pdf_get_xref_entry function in pdf/pdf-xref.c allows remote attackers to cause a denial of service (segmentation fault in fz_write_data in fitz/output.c) via a crafted pdf file.
- Record
CVE-2018-16647- CVSS 3.0
- 5.5 Medium
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:N/A:P - Weakness
- CWE-119
- Updated
- 2026-11-02
CVE List No score
In Artifex MuPDF 1.13.0, the pdf_get_xref_entry function in pdf/pdf-xref.c allows remote attackers to cause a denial of service (segmentation fault in fz_write_data in fitz/output.c) via a crafted pdf file.
- Record
CVE-2018-16647- Updated
- 2026-11-02
EUVDEUVD-2018-8450 No score
In Artifex MuPDF 1.13.0, the pdf_get_xref_entry function in pdf/pdf-xref.c allows remote attackers to cause a denial of service (segmentation fault in fz_write_data in fitz/output.c) via a crafted pdf file.
- Record
EUVD-2018-8450- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-jrh7-3h3c-f5j3
5.5
In Artifex MuPDF 1.13.0, the pdf_get_xref_entry function in pdf/pdf-xref.c allows remote...
In Artifex MuPDF 1.13.0, the pdf_get_xref_entry function in pdf/pdf-xref.c allows remote attackers to cause a denial of service (segmentation fault in fz_write_data in fitz/output.c) via a crafted pdf file.
- Record
GHSA-jrh7-3h3c-f5j3- CVSS 3.0
- 5.5 Medium
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-119
- Updated
- 2026-11-02
OSV
5.5
In Artifex MuPDF 1.13.0, the pdf_get_xref_entry function in pdf/pdf-xref.c allows remote attackers to cause a denial of service (segmentation fault in fz_write_data in fitz/output.c) via a crafted pdf file.
- Record
CVE-2018-16647- CVSS 3.0
- 5.5 Medium
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2018-16647
5.5
In Artifex MuPDF 1.13.0, the pdf_get_xref_entry function in pdf/pdf-xref.c allows remote attackers to cause a denial of service (segmentation fault in fz_write_data in fitz/output.c) via a crafted pdf file.
- Record
DEBIAN-CVE-2018-16647- CVSS 3.0
- 5.5 Medium
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2018-16647
5.5
In Artifex MuPDF 1.13.0, the pdf_get_xref_entry function in pdf/pdf-xref.c allows remote attackers to cause a denial of service (segmentation fault in fz_write_data in fitz/output.c) via a crafted pdf file.
- Record
UBUNTU-CVE-2018-16647- CVSS 3.0
- 5.5 Medium
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVopenSUSE-SU-2024:11068-1 No score
mupdf-1.18.0-1.7 on GA media
These are all security issues fixed in the mupdf-1.18.0-1.7 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:11068-1- Updated
- 2026-11-02
OSVUSN-7825-1 No score
mupdf vulnerabilities
It was discovered that MuPDF incorrectly managed memory, resulting in a memory leak. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 18.04 LTS. (CVE-2018-1000036)
It was discovered that MuPDF could enter an infinite loop when parsing certain PDF files. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 18.04 LTS. (CVE-2018-10289)
It was discovered that MuPDF incorrectly managed memory, possibly leading to a segmentation fault. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 18.04 LTS. (CVE-2018-16647, CVE-2018-16648)
It was discovered that MuPDF contained a use-after-free vulnerability. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2020-21896)
It was discovered that MuPDF incorrectly managed memory, resulting in a memory leak. An attacker could possibly use this issue to cause a denial of service or obtain sensitive information. This issue only affected Ubuntu 20.04 LTS. (CVE-2020-26683)
Maxim Mishechkin, Vitalii Akolzin, Shamil Kurmangaleev, Denis Straghkov, Fedor Nis'kov and Ivan Gulakov discovered that MuPDF incorrectly managed memory under certain circumstances, leading to a double-free. An attacker could possibly use this to cause a denial of service. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2021-3407)
Xuwei Liu discovered that MuPDF may perform an out-of-bounds write under certain circumstances. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2021-37220)
- Record
USN-7825-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
mupdfDebian:12 |
before 1.14.0+ds1-4 | 1.14.0+ds1-4 |
mupdfDebian:13 |
before 1.14.0+ds1-4 | 1.14.0+ds1-4 |
mupdfDebian:14 |
before 1.14.0+ds1-4 | 1.14.0+ds1-4 |
mupdfDebian:9 From an advisory covering 5 CVEs |
before 1.9a+ds1-4+deb9u5, plus listed versions 1.9a+ds1-41.9a+ds1-4+deb9u11.9a+ds1-4+deb9u21.9a+ds1-4+deb9u31.9a+ds1-4+deb9u4 |
1.9a+ds1-4+deb9u5 |
mupdfUbuntu:Pro:18.04:LTS |
before 1.12.0+ds1-1ubuntu0.1~esm1, plus listed versions 1.11+ds1-1.11.11+ds1-21.12.0+ds1-1 |
1.12.0+ds1-1ubuntu0.1~esm1 |
mupdfUbuntu:Pro:16.04:LTS From an advisory covering 8 CVEs |
before 1.7a-1ubuntu0.1~esm1, plus listed versions 1.7-11.7a-1 |
1.7a-1ubuntu0.1~esm1 |
mupdfUbuntu:Pro:18.04:LTS From an advisory covering 8 CVEs |
before 1.12.0+ds1-1ubuntu0.1~esm1, plus listed versions 1.11+ds1-1.11.11+ds1-21.12.0+ds1-1 |
1.12.0+ds1-1ubuntu0.1~esm1 |
mupdfUbuntu:Pro:20.04:LTS From an advisory covering 8 CVEs |
before 1.16.1+ds1-1ubuntu1+esm1, plus listed versions 1.15.0+ds1-11.16.1+ds1-1ubuntu1 |
1.16.1+ds1-1ubuntu1+esm1 |
mupdfopenSUSE:Tumbleweed From an advisory covering 18 CVEs |
before 1.18.0-1.7 | 1.18.0-1.7 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-16647 is a medium vulnerability (CVSS 5.5) in Artifex Mupdf, published September 6, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.47%, the 73rd percentile. Fixed in mupdf 1.14.0+ds1-4.
References
bugs.ghostscript.com/show_bug.cgi?id=699686
lists.debian.org/debian-lts-announce/2020/07/msg00019.html
cgit.ghostscript.com/cgi-bin/cgit.cgi/mupdf.git/commit?id=351c99d8ce23bbf7099dbd52771a095f67e45a2c
nvd.nist.gov/vuln/detail/CVE-2018-16647
github.com/advisories/GHSA-jrh7-3h3c-f5j3
security-tracker.debian.org/tracker/CVE-2018-16647
Show 28 moreShow less
ubuntu.com/security/CVE-2018-16647
cve.org/CVERecord?id=CVE-2018-16647
ubuntu.com/security/notices/USN-7825-1
ubuntu.com/security/CVE-2018-10289
ubuntu.com/security/CVE-2018-16648
ubuntu.com/security/CVE-2018-1000036
ubuntu.com/security/CVE-2020-21896
ubuntu.com/security/CVE-2020-26683
ubuntu.com/security/CVE-2021-3407
ubuntu.com/security/CVE-2021-37220
suse.com/security/cve/CVE-2016-10132
suse.com/security/cve/CVE-2016-10141
suse.com/security/cve/CVE-2016-10221
suse.com/security/cve/CVE-2016-8729
suse.com/security/cve/CVE-2017-15369
suse.com/security/cve/CVE-2017-17858
suse.com/security/cve/CVE-2017-5627
suse.com/security/cve/CVE-2017-5628
suse.com/security/cve/CVE-2017-5896
suse.com/security/cve/CVE-2017-7976
suse.com/security/cve/CVE-2018-1000051
suse.com/security/cve/CVE-2018-16647
suse.com/security/cve/CVE-2018-16648
suse.com/security/cve/CVE-2018-18662
suse.com/security/cve/CVE-2018-5686
suse.com/security/cve/CVE-2018-6187
suse.com/security/cve/CVE-2018-6192
suse.com/security/cve/CVE-2018-6544