Medium
mruby — security advisory
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.
- Products
- mruby
- Affected versions
- 1.1.0+20150817+gita1731254-1, 1.1.0+20150906+git1cbbb7e1-1, 1.2.0+20160315+git4f20d58a-1, 1.3.0+20170925+git38185028-1, 1.3.0+20171029+git77edafb0-1, 1.3.0-1, 1.4.0-1, 2.0.0-1, 2.1.2-3, 3.0.0-1, 3.0.0-3, 3.2.0-1, 3.2.0-2, 3.3.0-1, 3.4.0-2, 3.4.0-3, 4.0.0-1
- Fixed versions
- Not specified
- CVEs
- CVE-2022-4996
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 01:02 UTC · Revision 1
Source evidence
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.
osv:UBUNTU-CVE-2022-4996
mruby
Fixed versions: Not specified
mruby
Fixed versions: Not specified
mruby
Fixed versions: Not specified
mruby
Fixed versions: Not specified
mruby
Fixed versions: Not specified
mruby
Fixed versions: Not specified
mruby
Fixed versions: Not specified
Complete source record
{
"id": "2b35ddca1494dbf0a04c80d0364327d699fb5255c6693ab1d714ffa55817c2e4",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2022-4996",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2022-4996",
"summary": "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.",
"evidence": "osv:UBUNTU-CVE-2022-4996",
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{
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"score": "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"
},
{
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"modified": "2026-10-17T12:56:23.030253587Z",
"provider": "osv",
"upstream": [
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],
"references": [
"https://ubuntu.com/security/CVE-2022-4996",
"https://www.cve.org/CVERecord?id=CVE-2022-4996",
"https://huntr.com/bounties/5a5092df-1699-4497-a8b2-38318bce0c4e",
"https://vuldb.com/cve/CVE-2022-4996",
"https://vuldb.com/submit/877513",
"https://vuldb.com/vuln/391391",
"https://vuldb.com/vuln/391391/cti"
]
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"evidence": "/upstream"
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"source_id": "core-osv",
"document_id": 355522,
"published_at": "2026-08-20T00:16:00+00:00"
}