CVE-2015-8396

CRITICALNVD 10.010.0—
EchelonGraph scoreMEDIUM confidence

Score 10.0 from GitHub Security Advisory (severity: CRITICAL) published 2022-05-14. NVD baseline CVSS 10.0; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
10.0EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 16%CVSS: 10.0Exploit: Elevated riskExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

Integer overflow in the ImageRegionReader::ReadIntoBuffer function in MediaStorageAndFileFormat/gdcmImageRegionReader.cxx in Grassroots DICOM (aka GDCM) before 2.6.2 allows attackers to execute arbitrary code via crafted header dimensions in a DICOM image file, which triggers a buffer overflow.

CVSS v3
10.0
EG Score
10.0(medium)
EG Risk
66(Track*)
EG Risk 66/100SSVC: Track*

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity100% × 45%
Exploitation40% × 40%
Automatability30% × 15%
Action: Watch closely — could escalate to Attend.
EPSS PROB
16%
EPSS %ILE
97%
KEV
Not listed

Published

January 12, 2016

Last Modified

June 17, 2026

Advisory Details (8)

Auto-updated Sep 9, 2026
🔬 Proof of concept available. Patch available.
generic Patch Available

CENSUS - Resources

http://census-labs.com/news/2016/01/11/gdcm-buffer-overflow-imageregionreaderreadintobuffer/
generic🟡 PoC Available

Grassroots DICOM (GDCM) 2.6.0 and 2.6.1 - ImageRegionReader::ReadIntoBuffer Buffer Overflow - Linux dos Exploit

https://www.exploit-db.com/exploits/39229/
generic

Re: [Gdcm2] GDCM <2.6.1 two vulnerabilites | Grassroots DICOM

http://sourceforge.net/p/gdcm/mailman/message/34687533/
generic

[Gdcm2] GDCM <2.6.1 two vulnerabilites | Grassroots DICOM

http://sourceforge.net/p/gdcm/mailman/message/34670701/
generic

Grassroots DICOM / Gdcm / Commit [e547b1]

http://sourceforge.net/p/gdcm/gdcm/ci/e547b1ded3fd21e0b0ad149f13045aa12d4b9b7c/
generic

Full Disclosure: CVE-2015-8396: GDCM buffer overflow in ImageRegionReader::ReadIntoBuffer

http://seclists.org/fulldisclosure/2016/Jan/29
generic

SecurityFocus

http://www.securityfocus.com/archive/1/537264/100/0/threaded
generic

Locked Out | Packet Storm

http://packetstormsecurity.com/files/135205/GDCM-2.6.0-2.6.1-Integer-Overflow.html

Affected Packages

(4 across 4 ecosystems)
Debian:11(1)
PackageVulnerable rangeFixed inDependents
gdcm—2.6.2-1—
Debian:12(1)
PackageVulnerable rangeFixed inDependents
gdcm—2.6.2-1—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
gdcm—2.6.2-1—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
gdcm—2.6.2-1—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 6× in last 7d / 21× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 138 total refreshes for this CVE.

  1. 2026-09-15 03:05 UTCEPSS rescore
  2. 2026-09-14 13:14 UTCOSV refresh
  3. 2026-09-13 16:41 UTCEPSS rescore
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  16. 2026-07-23 01:20 UTCEG score recompute
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Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-39229
    First seen Jan 12, 2016

    Grassroots DICOM (GDCM) 2.6.0 and 2.6.1 - ImageRegionReader::ReadIntoBuffer Buffer Overflow

    Open source ↗

Frequently asked(5)

What is CVE-2015-8396?
CVE-2015-8396 is a critical vulnerability published on January 12, 2016. Integer overflow in the ImageRegionReader::ReadIntoBuffer function in MediaStorageAndFileFormat/gdcmImageRegionReader.cxx in Grassroots DICOM (aka GDCM) before 2.6.2 allows attackers to execute arbitrary code via crafted header dimensions in a DICOM image file, which triggers a buffer overflow.
When was CVE-2015-8396 disclosed?
CVE-2015-8396 was first published in the National Vulnerability Database on January 12, 2016, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2015-8396 actively exploited?
CVE-2015-8396 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 16% probability of exploitation in the next 30 days, which ranks it in the top 3.3% of all scored CVEs.
What is the CVSS score of CVE-2015-8396?
CVE-2015-8396 has a CVSS v3 base score of 10.0 (NVD).
How do I remediate CVE-2015-8396?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2015-8396, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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