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TI-2026-69584 Aliases CVE-2026-107634GHSA-gj99-98mp-m7r6

Dislocker Heap Out-of-Bounds Read via BitLocker Dataset Size

Priority LOW 29CWE-125Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Passive
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
Low · None · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

Dislocker through 0.7.3 contains a heap out-of-bounds read in get_dataset() and get_next_datum(), which never validate dataset and datum sizes against the metadata allocation. An attacker can craft a BitLocker volume image with inflated sizes that, when a user opens or mounts it, crashes dislocker or discloses adjacent heap memory. Exploitation requires that user action.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

Dislocker through 0.7.3 contains a heap out-of-bounds read vulnerability in get_dataset() and get_next_datum() that never validate dataset and datum sizes against the metadata allocation. Attackers can craft a BitLocker volume image with inflated dataset or datum sizes that, when opened or mounted, crashes dislocker or discloses adjacent heap memory.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00127 2nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Aorimndislockerup to 0.7.3—No fix listedCNA
  • dislocker VendorAorimn Affected up to 0.7.3 Fixed in — No fix listed CNA

Remediation

No fixed version is listed for dislocker. Red Hat lists one product as not affected.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-08 Threatist record created from CVE-2026-107634
  2. 2026-10-08 Alias added: GHSA-gj99-98mp-m7r6
  3. 2026-10-09 Affected versions changed · Red Hat
  4. 2026-10-09 CVSS score added · Red Hat
  5. 2026-10-10 CISA SSVC decision points changed
  6. 2026-10-10 Priority changed: MEDIUM → LOW

References

Patch 1

Other 3

  • TI-2026-69585 Dislocker integer underflow causes out-of-bounds heap read CVSS 4.0MEDIUM 6.9

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences