What’s Vulnerable › Vulnerabilities

CVE-2026-107634: Dislocker through 0.7.3 Heap Out-of-Bounds Read via BitLocker Metadata Dataset Size

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-08 · updated 2026-10-10
• Weakness: CWE-125

Description

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.

Affected products

• Aorimn dislocker: through 0.7.3

References

• https://github.com/Aorimn/dislocker
• https://github.com/Aorimn/dislocker/blob/v0.7.3/src/metadata/datums.c#L589-L640
• https://github.com/Aorimn/dislocker/blob/v0.7.3/src/metadata/metadata.c#L764-L790
• https://github.com/Aorimn/dislocker/commit/9158e9e41dd669b360cbc53cc18ccae729b67b48
• https://www.vulncheck.com/advisories/dislocker-through-0.7.3-heap-out-of-bounds-read-via-bitlocker-metadata-dataset-size

Get alerted when CVE-2026-107634 or the next vulnerability affects your stack