Public vulnerability disclosure

CVE-2022-4996

CVE-2022-4996

publishedCWE-1077

A flaw has been found in mruby 3.1.0. Affected is the function udiv of the file bigint.c. Executing a manipulation can lead to floating point comparison with incorrect operator. It is possible to launch the attack remotely. The exploit has been published and may be used. It is best practice to apply a patch to resolve this issue.

Technical severity5.5 mediumCVSS 4.0 · NVD: [email protected]
Published2026-08-20Source updated 2026-11-10
Collected2026-11-101 attributed source

Fixes and workarounds

No remediation reported in collected sources.

Missing remediation information is not evidence that no patch exists.

Affected products and versions

No affected-product ranges reported in collected sources.

CVSS assessments

CVSS scores, vectors and reporting authorities
Version / scoreVectorAuthority
4.0 / 5.5
medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XNVD: [email protected]
3.1 / 5.3
medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LNVD: [email protected]
2.0 / 5.0
medium
AV:N/AC:L/Au:N/C:N/I:N/A:PNVD: [email protected]

Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

References

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