CVE-2025-52582: An out-of-bounds read vulnerability exists in the Overlay::GrabOverlayFromPixelData functionality of Grassroot

This month

HIGH 7.4DOWNGRADE

CVE-2025-52582 is a high-severity flaw (CVSS 7.4) affecting grassroots dicom. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An out-of-bounds read vulnerability exists in the Overlay::GrabOverlayFromPixelData functionality of Grassroot DICOM 3.024. A specially crafted DICOM file can lead to an information leak. An attacker can provide a malicious file to trigger this vulnerability.

Why this priority

High severity
Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.4 (High)
Attack vector	Local
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 64%)
CISA exploited list	No
Weakness	CWE-119, CWE-125
Published	2025-12-16
Last modified	2026-10-13

Publisher (CNA): Talos · Vendor: malaterre

Last updated 2026-10-13 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-12-16 22:15 UTCPublished CVE record published
2026-10-13 11:10 UTCUpdated Record last modified

malaterre grassroots dicom DOWNGRADE

Affected: 3.0.24

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.0.24

1. Check installed version

apt-cache policy grassroots-dicom || rpm -q grassroots-dicom || grassroots-dicom --version

2. No fixed release: DOWNGRADE to a release before 3.0.24 (Debian / Ubuntu)

apt-cache madison grassroots-dicom sudo apt install grassroots-dicom=<VERSION_BEFORE_3.0.24> sudo apt-mark hold grassroots-dicom

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list grassroots-dicom sudo dnf downgrade grassroots-dicom-<VERSION_BEFORE_3.0.24> sudo dnf versionlock add grassroots-dicom

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2025-52582?

grassroots dicom: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-52582 being exploited?

CVE-2025-52582 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-2025-52582 affect?

CVE-2025-52582 affects grassroots dicom. Severity is high (CVSS 7.4). An out-of-bounds read vulnerability exists in the Overlay::GrabOverlayFromPixelData functionality of Grassroot DICOM 3.024. A specially crafted DICOM file can lead to an information leak. An attacker can provide a malicious file to trigger

How urgent is CVE-2025-52582?

Priority 40/100. High severity; Public exploit reference

Related CVEs

CVE-2025-48429 HIGH 7.4 DOWNGRADE An out-of-bounds read vulnerability exists in the RLECodec::DecodeByStreams functionality of Grassroot DICOM 3
CVE-2025-53619 HIGH 7.4 DOWNGRADE An out-of-bounds read vulnerability exists in the JPEGBITSCodec::InternalCode functionality of Grassroot DICOM
CVE-2025-53618 HIGH 7.4 DOWNGRADE An out-of-bounds read vulnerability exists in the JPEGBITSCodec::InternalCode functionality of Grassroot DICOM

References

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