CVE-2018-7452
A NULL pointer dereference in JPXStream::fillReadBuf in JPXStream.cc in xpdf 4.00 allows...
A NULL pointer dereference in JPXStream::fillReadBuf in JPXStream.cc in xpdf 4.00 allows attackers to launch denial of service via a specific pdf file, as demonstrated by pdftohtml.
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
A NULL pointer dereference in JPXStream::fillReadBuf in JPXStream.cc in xpdf 4.00 allows attackers to launch denial of service via a specific pdf file, as demonstrated by pdftohtml.
- Record
CVE-2018-7452- 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-476
- Updated
- 2026-11-02
CVE List No score
A NULL pointer dereference in JPXStream::fillReadBuf in JPXStream.cc in xpdf 4.00 allows attackers to launch denial of service via a specific pdf file, as demonstrated by pdftohtml.
- Record
CVE-2018-7452- Updated
- 2026-11-02
EUVDEUVD-2018-19183 No score
A NULL pointer dereference in JPXStream::fillReadBuf in JPXStream.cc in xpdf 4.00 allows attackers to launch denial of service via a specific pdf file, as demonstrated by pdftohtml.
- Record
EUVD-2018-19183- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-gfq5-63j6-32mg
A NULL pointer dereference in JPXStream::fillReadBuf in JPXStream.cc in xpdf 4.00 allows...
A NULL pointer dereference in JPXStream::fillReadBuf in JPXStream.cc in xpdf 4.00 allows attackers to launch denial of service via a specific pdf file, as demonstrated by pdftohtml.
- Record
GHSA-gfq5-63j6-32mg- 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-476
- Updated
- 2026-11-02
OSV
A NULL pointer dereference in JPXStream::fillReadBuf in JPXStream.cc in xpdf 4.00 allows attackers to launch denial of service via a specific pdf file, as demonstrated by pdftohtml.
- Record
CVE-2018-7452- 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-2018-7452
A NULL pointer dereference in JPXStream::fillReadBuf in JPXStream.cc in xpdf 4.00 allows attackers to launch denial of service via a specific pdf file, as demonstrated by pdftohtml.
- Record
DEBIAN-CVE-2018-7452- 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-2018-7452
A NULL pointer dereference in JPXStream::fillReadBuf in JPXStream.cc in xpdf 4.00 allows attackers to launch denial of service via a specific pdf file, as demonstrated by pdftohtml.
- Record
UBUNTU-CVE-2018-7452- 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
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
xpdfDebian:12 |
All versions, plus listed versions 3.04+git20220601-13.04+git20231213-13.04+git20240118-13.04+git20240124-13.04+git20240202-1 Show 5 moreShow less3.04+git20240613-13.04+git20250103-13.04+git20250304-13.04+git20260220-13.04+git20260802-1 |
None known |
xpdfDebian:13 |
All versions, plus listed versions 3.04+git20250304-13.04+git20260220-13.04+git20260802-1 |
None known |
xpdfDebian:14 |
All versions, plus listed versions 3.04+git20250304-13.04+git20260220-13.04+git20260802-1 |
None known |
ipeUbuntu:16.04:LTS |
All versions, plus listed versions 7.1.4-2.17.1.8-17.1.10-17.1.10-1.1 |
None known |
xpdfUbuntu:16.04:LTS |
All versions, plus listed versions 3.03-17ubuntu23.03-17ubuntu33.03-17ubuntu53.03-183.04-13.04-1build13.04-1ubuntu13.04-1ubuntu1.1 |
None known |
ipeUbuntu:18.04:LTS |
All versions, plus listed versions 7.2.7-27.2.7-3 |
None known |
xpdfUbuntu:18.04:LTS |
All versions, plus listed versions 3.04-4build13.04-53.04-5ubuntu23.04-6ubuntu13.04-7 |
None known |
ipeUbuntu:20.04:LTS |
All versions, plus listed versions 7.2.9-17.2.13-27.2.13-2build1 |
None known |
ipeUbuntu:22.04:LTS |
All versions, plus listed versions 7.2.23+dfsg1-27.2.24+dfsg1-17.2.24+dfsg1-1build1 |
None known |
xpdfUbuntu:22.04:LTS |
All versions, plus listed versions 3.04+git20210103-3build13.04+git20211021-13.04+git20211021-1ubuntu13.04+git20220201-1 |
None known |
Show 8 moreShow less
| Package | Affected | Fixed |
|---|---|---|
ipeUbuntu:24.04:LTS |
All versions, plus listed versions 7.2.27+dfsg1-27.2.28-27.2.28-2.1build27.2.28-2.1build37.2.28-2.1build4 |
None known |
xpdfUbuntu:24.04:LTS |
All versions, plus listed versions 3.04+git20220601-1ubuntu13.04+git20220601-1ubuntu23.04+git20231213-13.04+git20240118-13.04+git20240124-1 Show 4 moreShow less3.04+git20240202-13.04+git20240202-1build13.04+git20240202-1build23.04+git20240202-1build3 |
None known |
ipeUbuntu:25.10 |
All versions, plus listed versions 7.2.30-1build1 |
None known |
xpdfUbuntu:25.10 |
All versions, plus listed versions 3.04+git20250304-1 |
None known |
ipeUbuntu:26.10 |
All versions, plus listed versions 7.2.30-1build27.2.30-2 |
None known |
xpdfUbuntu:26.10 |
All versions, plus listed versions 3.04+git20260220-13.04+git20260220-1ubuntu13.04+git20260802-1 |
None known |
ipeUbuntu:26.04:LTS |
All versions, plus listed versions 7.2.30-1build17.2.30-1build2 |
None known |
xpdfUbuntu:26.04:LTS |
All versions, plus listed versions 3.04+git20250304-13.04+git20250304-1build13.04+git20260220-1 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| 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-2018-7452 is a medium vulnerability (CVSS 5.5) in Xpdfreader Xpdf, published February 24, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.79%, the 56th percentile. No source names a fixed version.