CVE-2023-28428

PDFio vulnerable to Denial Of Service when opening a corrupt PDF file

6.2 MediumFix available

PDFio is a C library for reading and writing PDF files. In versions 1.1.0 and prior, a denial of service vulnerability exists in the pdfio parser. Crafted pdf files can cause the program to run at 100% utilization and never terminate. This is different from CVE-2023-24808. A patch for this issue is available in version 1.1.1.

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: None
Availability: High

Exploit likelihood

0.22%Up 0.2 points since Mar 21, 2023

What each source reports

CVE List Score used 6.2

PDFio vulnerable to Denial Of Service when opening a corrupt PDF file

Record: CVE-2023-28428
CVSS 3.1: 6.2 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-770
Updated: 2026-11-02

EUVDEUVD-2023-32122 6.2

Record: EUVD-2023-32122
CVSS 3.1: 6.2 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

NVD 6.2

Record: CVE-2023-28428
CVSS 3.1: 6.2 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 3.1: 3.3 LowCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Weakness: CWE-770
Updated: 2026-11-02

OSV 6.2

PDFio vulnerable to Denial Of Service when opening a corrupt PDF file

Record: CVE-2023-28428
CVSS 3.1: 6.2 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-770
Updated: 2026-11-02

OSVDEBIAN-CVE-2023-28428 3.3

Record: DEBIAN-CVE-2023-28428
CVSS 3.1: 3.3 LowCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Updated: 2026-11-02

OSVUBUNTU-CVE-2023-28428 6.2

Record: UBUNTU-CVE-2023-28428
CVSS 3.1: 6.2 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 3.1: 3.3 LowCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`ippsample` Debian:12	before 0.0~git20220215.f365352-1	0.0~git20220215.f365352-1
`ippsample` Debian:14	before 0.0~git20220215.f365352-1, plus listed versions 0.0~git20210916.53e4740-10.0~git20210916.53e4740-20.0~git20211022.c75af30-10.0~git20211022.c75af30-2	0.0~git20220215.f365352-1
`ippsample` Ubuntu:18.04:LTS	All versions, plus listed versions 0.0+20180213-0ubuntu1	None known
`ippsample` Ubuntu:20.04:LTS	All versions, plus listed versions 0.0+20180213-0ubuntu1	None known
`ippsample` Ubuntu:22.04:LTS	All versions, plus listed versions 0.0+20180213-0ubuntu1	None known
`ippsample` Ubuntu:24.04:LTS	All versions, plus listed versions 0.0+20180213-0ubuntu10.0+20180213-0ubuntu20.0+20180213-0ubuntu3	None known
`ippsample` Ubuntu:25.10	All versions, plus listed versions 0.0+20180213-0ubuntu3	None known
`ippsample` Ubuntu:26.10	All versions, plus listed versions 0.0.0~git20220215.f365352-1build10.0.0~git20220215.f365352-2	None known
`ippsample` Ubuntu:26.04:LTS	All versions, plus listed versions 0.0+20180213-0ubuntu30.0.0~git20220215.f365352-10.0.0~git20220215.f365352-1build1	None known

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, NVD, OSV

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

In short

CVE-2023-28428 is a medium vulnerability (CVSS 6.2) in Michaelrsweet Pdfio, published March 20, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.22%, the 12th percentile. Fixed in ippsample 0.0~git20220215.f365352-1.