CVE-2025-9732: A vulnerability was identified in DCMTK up to 3.6.9

Q: How do I fix CVE-2025-9732?

dcmtk: upgrade to newer than 3.6.9. Exact commands for each OS are on this page.

Q: Is CVE-2025-9732 being exploited?

CVE-2025-9732 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-9732 affect?

CVE-2025-9732 affects dcmtk. Severity is medium (CVSS 5.3). 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

Q: How urgent is CVE-2025-9732?

Priority 20/100. No elevated risk signals yet.

Routine

MEDIUM 5.3UPGRADE

CVE-2025-9732 is a medium-severity flaw (CVSS 5.3) affecting dcmtk. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.2% (top 93%)
CISA exploited list	No
Weakness	CWE-119, CWE-787
Published	2025-08-31
Last modified	2026-10-19

Publisher (CNA): VulDB · Vendor: offis

Last updated 2026-10-19 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-08-31 14:15 UTCPublished CVE record published
2026-10-19 17:10 UTCUpdated Record last modified

offis dcmtk UPGRADE

Affected: <= 3.6.9

Fixed in: newer than 3.6.9

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy dcmtk || rpm -q dcmtk || dcmtk --version

2. UPGRADE to newer than 3.6.9 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade dcmtk

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade dcmtk

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-9732?

dcmtk: upgrade to newer than 3.6.9. Exact commands for each OS are on this page.

Is CVE-2025-9732 being exploited?

CVE-2025-9732 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-9732 affect?

CVE-2025-9732 affects dcmtk. Severity is medium (CVSS 5.3). 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

How urgent is CVE-2025-9732?

Priority 20/100. No elevated risk signals yet.

Related CVEs

CVE-2026-5663 HIGH 7.3 UPGRADE A security flaw has been discovered in OFFIS DCMTK up to 3.7.0
CVE-2025-2357 MEDIUM 6.3 DOWNGRADE A vulnerability was found in DCMTK 3.6.9
CVE-2025-25475 HIGH 7.5 DOWNGRADE MITIGATE A NULL pointer dereference in the component /libsrc/dcrleccd.cc of DCMTK v3.6.9+ DEV allows attackers to cause
CVE-2025-25474 MEDIUM 6.5 DOWNGRADE MITIGATE DCMTK v3.6.9+ DEV was discovered to contain a buffer overflow via the component /dcmimgle/diinpxt.h.
CVE-2025-25472 MEDIUM 5.3 DOWNGRADE MITIGATE A buffer overflow in DCMTK git master v3.6.9+ DEV allows attackers to cause a Denial of Service (DoS) via a cr

References

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