CVE-2026-0708
High
Description
A flaw was found in libucl. A remote attacker could exploit this by providing a specially crafted Universal Configuration Language (UCL) input that contains a key with an embedded null byte. This can cause a segmentation fault (SEGV fault) in the `ucl_object_emit` function when parsing and emitting the object, leading to a Denial of Service (DoS) for the affected system.
SeverityHigh
CVSS8.3
Exploit probability—
ProductVstakhov Libucl
PublishedMar 17, 2026
First seenMar 17, 2026
Weakness typeCWE-125Out-of-bounds read
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| vstakhov libucl | v ≤ 0.9.4 | — |
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