CVE-2026-102567
Medium
Description
CTranslate2 before 4.8.1 contains an out-of-bounds heap read vulnerability in the binary model loader when deserializing string fields without null terminators. Attackers can craft malicious model files to trigger heap memory reads past buffer boundaries, causing crashes or disclosing adjacent heap memory contents.
SeverityMedium
CVSS6.1
Exploit probability—
ProductCTranslate2
PublishedSep 29, 2026
First seenSep 29, 2026
Weakness typeCWE-125Out-of-bounds read
How to fix
Update
- OpenNMT CTranslate24.8.1 or later
Patches
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| OpenNMT CTranslate2 | v < 4.8.1 | 4.8.1 |
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