CVE-2025-9732

DCMTK dcm2img diybrpxt.h memory corruption

4.8 MediumFix available

A vulnerability was identified in DCMTK up to 3.6.9. This affects an unknown function in the library dcmimage/include/dcmtk/dcmimage/diybrpxt.h of the component dcm2img. Such manipulation leads to memory corruption. Local access is required to approach this attack. The name of the patch is 7ad81d69b. It is best practice to apply a patch to resolve this issue.

Attack profile

How easy it is to exploit

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

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: Low

Exploit likelihood

0.18%Up 0.2 points since Sep 1, 2025

What each source reports

CVE List Score used 4.8

DCMTK dcm2img diybrpxt.h memory corruption

Record: CVE-2025-9732
CVSS 4.0: 4.8 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C
CVSS 3.0: 5.3 MediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C
CVSS 2.0: 4.3 AV:L/AC:L/Au:S/C:P/I:P/A:P/E:ND/RL:OF/RC:C
Weakness: CWE-119
Updated: 2026-11-02

EUVDEUVD-2025-26296 4.8

Record: EUVD-2025-26296
CVSS 4.0: 4.8 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X
Updated: 2026-11-02

GitHub AdvisoriesGHSA-qw76-8prh-rg34 4.8

A vulnerability was identified in DCMTK up to 3.6.9. This affects an unknown function in the...

Record: GHSA-qw76-8prh-rg34
CVSS 4.0: 4.8 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Weakness: CWE-119, CWE-787
Updated: 2026-11-02

NVD 4.8

Record: CVE-2025-9732
CVSS 4.0: 4.8 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 4.3 MediumAV:L/AC:L/Au:S/C:P/I:P/A:P
Weakness: CWE-119, CWE-787
Updated: 2026-11-02

OSV 4.8

DCMTK dcm2img diybrpxt.h memory corruption

Record: CVE-2025-9732
CVSS 4.0: 4.8 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X
Weakness: CWE-119
Updated: 2026-11-02

OSVDEBIAN-CVE-2025-9732 7.8

Record: DEBIAN-CVE-2025-9732
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVUBUNTU-CVE-2025-9732 4.8

Record: UBUNTU-CVE-2025-9732
CVSS 4.0: 4.8 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Updated: 2026-11-02

OSVMGASA-2025-0265 No score

Updated dcmtk packages fix security vulnerabilities

Record: MGASA-2025-0265
Updated: 2026-11-02

OSVopenSUSE-SU-2025:15504-1 No score

dcmtk-3.6.9-4.1 on GA media

These are all security issues fixed in the dcmtk-3.6.9-4.1 package on the GA media of openSUSE Tumbleweed.

Record: openSUSE-SU-2025:15504-1
Updated: 2026-11-02

Affected products

offis dcmtk

Affected packages

Affected packages
Package	Affected	Fixed
`dcmtk` Debian:12	before 3.6.7-9~deb12u4, plus listed versions 3.6.7-83.6.7-9~deb12u13.6.7-9~deb12u23.6.7-9~deb12u3	3.6.7-9~deb12u4
`dcmtk` Debian:13	before 3.6.9-5+deb13u1, plus listed versions 3.6.9-5	3.6.9-5+deb13u1
`dcmtk` Debian:14	before 3.6.9-6, plus listed versions 3.6.9-5	3.6.9-6
`dcmtk` Debian:11 From an advisory covering 3 CVEs	before 3.6.5-1+deb11u5, plus listed versions 3.6.5-13.6.5-1+deb11u13.6.5-1+deb11u23.6.5-1+deb11u33.6.5-1+deb11u4	3.6.5-1+deb11u5
`dcmtk` Mageia:9	before 3.6.7-4.6.mga9	3.6.7-4.6.mga9
`dcmtk` Ubuntu:Pro:16.04:LTS	All versions, plus listed versions 3.6.0-15.13.6.1~20150629-53.6.1~20150924-43.6.1~20150924-53.6.1~20150924-5ubuntu0.1~esm13.6.1~20150924-5ubuntu0.1~esm23.6.1~20150924-5ubuntu0.1~esm3	None known
`dcmtk` Ubuntu:Pro:18.04:LTS	All versions, plus listed versions 3.6.2-23.6.2-2build13.6.2-33.6.2-3build13.6.2-3build2 Show 4 moreShow less 3.6.2-3build33.6.2-3ubuntu0.1~esm13.6.2-3ubuntu0.1~esm23.6.2-3ubuntu0.1~esm3	None known
`dcmtk` Ubuntu:Pro:20.04:LTS	All versions, plus listed versions 3.6.4-2.13.6.4-2.1build13.6.4-2.1build23.6.4-2.1ubuntu0.1~esm13.6.4-2.1ubuntu0.13.6.4-2.1ubuntu0.1+esm13.6.4-2.1ubuntu0.23.6.4-2.1ubuntu0.2+esm1	None known
`dcmtk` Ubuntu:Pro:22.04:LTS	All versions, plus listed versions 3.6.5-13.6.6-3ubuntu13.6.6-3ubuntu23.6.6-43.6.6-53.6.6-5ubuntu0.1~esm13.6.6-5ubuntu0.1~esm2	None known
`dcmtk` Ubuntu:Pro:24.04:LTS	All versions, plus listed versions 3.6.7-93.6.7-9.1build23.6.7-9.1build33.6.7-9.1build43.6.7-9.1ubuntu0.1~esm1	None known

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Affected packages
Package	Affected	Fixed
`dcmtk` Ubuntu:25.10	All versions, plus listed versions 3.6.9-43.6.9-53.6.9-5build1	None known
`dcmtk` Ubuntu:26.10	All versions, plus listed versions 3.7.0+really3.6.9-13.7.0+really3.7.0-23.7.0+really3.7.0-53.7.0+really3.7.0-63.7.0+really3.7.0-7ubuntu1	None known
`dcmtk` Ubuntu:26.04:LTS	All versions, plus listed versions 3.6.9-5build13.6.9-63.7.0+really3.6.9-1	None known
`dcmtk` openSUSE:Tumbleweed	before 3.6.9-4.1	3.6.9-4.1

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

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

In short

CVE-2025-9732 is a medium vulnerability (CVSS 4.8) in Offis Dcmtk, published August 31, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.18%, the 7th percentile. Fixed in dcmtk 3.6.7-9~deb12u4.

References

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