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CVE-2026-16634

Description
TOML::XS versions before 0.06 for Perl bundle an unsupported and vulnerable version of tomlc99. The tomlc99 library is no longer maintained, and has an uncontrolled recursion vulnerability publicly reported in the issue tracker. Any caller that passes untrusted TOML to from_toml risks a stack overflow from a deeply-nested document. TOML::XS version 0.06 or later uses the successor tomlc17 library.

Metadata

CVE ID
CVE-2026-16634
State
PUBLISHED
Assigner
CPANSec
Reserved
2026-07-22 16:37 UTC
Published
2026-07-24 09:14 UTC
Last updated
2026-07-24 09:14 UTC
Primary CWE
CWE-1104
CWE-1104 Use of Unmaintained Third Party Components
Vendor / Product
FELIPE / TOML::XS
Sources
cve.org  ·  NVD

Severity & Metrics

No CVSS data available.

Affected products (1)
VendorProductPlatformVersions
FELIPE TOML::XS 0 < 0.06
Weakness (CWE)
CWESourceDescription
CWE-1104 cna CWE-1104 Use of Unmaintained Third Party Components
CWE-1395 cna CWE-1395 Dependency on Vulnerable Third-Party Component
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