CVE-2018-8105

The JPXStream::fillReadBuf function in JPXStream.cc in xpdf 4.00 allows attackers to launch...

5.5 Medium

The JPXStream::fillReadBuf function in JPXStream.cc in xpdf 4.00 allows attackers to launch denial of service (heap-based buffer over-read and application crash) 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

0.78%Up 0.3 points since Apr 14, 2021

What each source reports

NVD Score used 5.5

Record: CVE-2018-8105
CVSS 3.0: 5.5 MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS 2.0: 4.3 MediumAV:N/AC:M/Au:N/C:N/I:N/A:P
Weakness: CWE-125
Updated: 2026-11-02

CVE List No score

Record: CVE-2018-8105
Updated: 2026-11-02

EUVDEUVD-2018-19781 No score

Record: EUVD-2018-19781
Updated: 2026-11-03

GitHub AdvisoriesGHSA-j8mh-67v2-w723 5.5

The JPXStream::fillReadBuf function in JPXStream.cc in xpdf 4.00 allows attackers to launch...

Record: GHSA-j8mh-67v2-w723
CVSS 3.0: 5.5 MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness: CWE-125
Updated: 2026-11-02

OSV 5.5

Record: CVE-2018-8105
CVSS 3.0: 5.5 MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSVDEBIAN-CVE-2018-8105 5.5

Record: DEBIAN-CVE-2018-8105
CVSS 3.0: 5.5 MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSVUBUNTU-CVE-2018-8105 5.5

Record: UBUNTU-CVE-2018-8105
CVSS 3.0: 5.5 MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated: 2026-11-02

Affected products

xpdfreader xpdf

Affected packages

Affected packages
Package	Affected	Fixed
`xpdf` Debian: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 less 3.04+git20240613-13.04+git20250103-13.04+git20250304-13.04+git20260220-13.04+git20260802-1	None known
`xpdf` Debian:13	All versions, plus listed versions 3.04+git20250304-13.04+git20260220-13.04+git20260802-1	None known
`xpdf` Debian:14	All versions, plus listed versions 3.04+git20250304-13.04+git20260220-13.04+git20260802-1	None known
`ipe` Ubuntu: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
`xpdf` Ubuntu: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
`ipe` Ubuntu:18.04:LTS	All versions, plus listed versions 7.2.7-27.2.7-3	None known
`xpdf` Ubuntu:18.04:LTS	All versions, plus listed versions 3.04-4build13.04-53.04-5ubuntu23.04-6ubuntu13.04-7	None known
`ipe` Ubuntu:20.04:LTS	All versions, plus listed versions 7.2.9-17.2.13-27.2.13-2build1	None known
`ipe` Ubuntu:22.04:LTS	All versions, plus listed versions 7.2.23+dfsg1-27.2.24+dfsg1-17.2.24+dfsg1-1build1	None known
`xpdf` Ubuntu: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

Affected packages
Package	Affected	Fixed
`ipe` Ubuntu: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
`xpdf` Ubuntu: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 less 3.04+git20240202-13.04+git20240202-1build13.04+git20240202-1build23.04+git20240202-1build3	None known
`ipe` Ubuntu:25.10	All versions, plus listed versions 7.2.30-1build1	None known
`xpdf` Ubuntu:25.10	All versions, plus listed versions 3.04+git20250304-1	None known
`ipe` Ubuntu:26.10	All versions, plus listed versions 7.2.30-1build27.2.30-2	None known
`xpdf` Ubuntu:26.10	All versions, plus listed versions 3.04+git20260220-13.04+git20260220-1ubuntu13.04+git20260802-1	None known
`ipe` Ubuntu:26.04:LTS	All versions, plus listed versions 7.2.30-1build17.2.30-1build2	None known
`xpdf` Ubuntu:26.04:LTS	All versions, plus listed versions 3.04+git20250304-13.04+git20250304-1build13.04+git20260220-1	None known

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2018-8105 is a medium vulnerability (CVSS 5.5) in Xpdfreader Xpdf, published March 14, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.78%, the 56th percentile. No source names a fixed version.