CVE-2026-12805

MEDIUMPre-NVD 6.36.3—
EchelonGraph scoreHIGH confidence

Score 6.3 from GitHub Security Advisory (severity: LOW) published 2026-06-21. a secondary CVSS source baseline 6.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
6.3
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 6.3Exploit: NoneExposed: 0

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

A flaw has been found in OFFIS DCMTK up to 3.7.0. The affected element is the function XMLNode::parseFile in the library ofstd/libsrc/ofxml.cc. Executing a manipulation can lead to heap-based buffer overflow. The attack may be performed from remote. The exploit has been published and may be used. This patch is called 1d4b3815c0987840a983160bfc671fef63a3105b. It is best practice to apply a patch to resolve this issue. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

CVSS v3
6.3
EG Score
6.3(high)
EPSS
19.7%
KEV
Not listed

Published

June 21, 2026

Last Modified

June 23, 2026

Advisory Details (3)

Auto-updated Jun 21, 2026
🔬 Proof of concept available. Patch available. Sources: github_commit.
generic🟡 PoC Available

Bug #1208: Heap Buffer Overflow in XMLNode::parseFile() - ofxml.cc - DCMTK - OFFIS DCMTK and DICOM Projects

https://support.dcmtk.org/redmine/issues/1208
github_commit Patch Available

commit 1d4b3815c098 (DCMTK/dcmtk)

Patch available: DCMTK/dcmtk latest (contains commit 1d4b3815c098)

https://github.com/DCMTK/dcmtk/commit/1d4b3815c0987840a983160bfc671fef63a3105b
generic

git.dcmtk.org Git - dcmtk.git/commit

https://git.dcmtk.org/?p=dcmtk.git;a=commit;h=1d4b3815c0987840a983160bfc671fef63a3105b

Vendor Advisories for CVE-2026-12805(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 22× in last 7d / 52× 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.

  1. 2026-07-06 16:27 UTCEPSS rescore
  2. 2026-07-06 13:33 UTCEG score recompute
  3. 2026-07-06 13:33 UTCGHSA enrichment
  4. 2026-07-06 02:23 UTCEPSS rescore
  5. 2026-07-05 15:08 UTCEG score recompute
  6. 2026-07-05 15:08 UTCGHSA enrichment
  7. 2026-07-05 02:30 UTCEPSS rescore
  8. 2026-07-05 02:30 UTCEPSS rescore
  9. 2026-07-04 17:09 UTCEG score recompute
  10. 2026-07-04 17:09 UTCGHSA enrichment
  11. 2026-07-04 06:31 UTCEPSS rescore
  12. 2026-07-03 19:05 UTCEG score recompute
  13. 2026-07-03 19:04 UTCGHSA enrichment
  14. 2026-07-02 21:05 UTCEG score recompute
  15. 2026-07-02 21:05 UTCGHSA enrichment
  16. 2026-07-01 23:06 UTCEG score recompute
  17. 2026-07-01 23:06 UTCGHSA enrichment
  18. 2026-07-01 15:06 UTCEPSS rescore
  19. 2026-07-01 15:06 UTCEPSS rescore
  20. 2026-07-01 01:08 UTCEG score recompute
  21. 2026-07-01 01:08 UTCGHSA enrichment
  22. 2026-06-30 23:22 UTCEPSS rescore
  23. 2026-06-30 03:08 UTCEG score recompute
  24. 2026-06-30 03:07 UTCGHSA enrichment
  25. 2026-06-29 14:06 UTCEPSS rescore
Show 27 more
  1. 2026-06-29 05:09 UTCEG score recompute
  2. 2026-06-29 05:08 UTCGHSA enrichment
  3. 2026-06-28 14:07 UTCEPSS rescore
  4. 2026-06-28 07:09 UTCEG score recompute
  5. 2026-06-28 07:09 UTCGHSA enrichment
  6. 2026-06-28 04:56 UTCEPSS rescore
  7. 2026-06-28 04:56 UTCEPSS rescore
  8. 2026-06-27 09:08 UTCEG score recompute
  9. 2026-06-27 09:08 UTCGHSA enrichment
  10. 2026-06-27 03:08 UTCEPSS rescore
  11. 2026-06-26 11:09 UTCEG score recompute
  12. 2026-06-26 11:09 UTCGHSA enrichment
  13. 2026-06-25 13:49 UTCEPSS rescore
  14. 2026-06-25 12:47 UTCEG score recompute
  15. 2026-06-25 12:46 UTCGHSA enrichment
  16. 2026-06-24 14:48 UTCEG score recompute
  17. 2026-06-24 14:47 UTCGHSA enrichment
  18. 2026-06-24 14:05 UTCEPSS rescore
  19. 2026-06-23 21:32 UTCEPSS rescore
  20. 2026-06-23 16:49 UTCEG score recompute
  21. 2026-06-23 16:48 UTCGHSA enrichment
  22. 2026-06-23 15:31 UTCNVD updateCVSS v4 → 2.1
  23. 2026-06-23 08:05 UTCMITRE cvelistV5CVSS v4 → 5.3
  24. 2026-06-22 18:46 UTCEG score recompute
  25. 2026-06-22 18:46 UTCGHSA enrichment
  26. 2026-06-21 20:46 UTCEG score recompute
  27. 2026-06-21 20:44 UTCNVD updatefirst tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-12805?
CVE-2026-12805 is a medium vulnerability published on June 21, 2026. A flaw has been found in OFFIS DCMTK up to 3.7.0. The affected element is the function XMLNode::parseFile in the library ofstd/libsrc/ofxml.cc. Executing a manipulation can lead to heap-based buffer overflow. The attack may be performed from remote. The exploit has been published and may be used.…
When was CVE-2026-12805 disclosed?
CVE-2026-12805 was first published in the National Vulnerability Database on June 21, 2026, with the most recent update on June 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-12805 actively exploited?
CVE-2026-12805 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 19.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-12805?
CVE-2026-12805 has a CVSS v3 base score of 6.3 (NVD).
How do I remediate CVE-2026-12805?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-12805, 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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