CVE-2026-3382: ChaiScript boxed_number.hpp get_as memory corruption

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-03-01 · updated 2026-06-17
Weakness: CWE-119

Description

A security flaw has been discovered in ChaiScript up to 6.1.0. The impacted element is the function chaiscript::Boxed_Number::get_as of the file include/chaiscript/dispatchkit/boxed_number.hpp. Performing a manipulation results in memory corruption. The attack requires a local approach. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.

Affected products

ChaiScript: through 6.1.0

References

https://github.com/ChaiScript/ChaiScript/
https://github.com/ChaiScript/ChaiScript/issues/635
https://github.com/ChaiScript/ChaiScript/issues/635#issue-3828258513
https://vuldb.com/?ctiid.348268
https://vuldb.com/?id.348268
https://vuldb.com/?submit.761301

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