High
squirrel3 — security advisory
A vulnerability was determined in Squirrel up to 3.2. Affected by this vulnerability is the function SQFuncState::PopTarget of the file src/squirrel/squirrel/sqfuncstate.cpp. Executing a manipulation of the argument _target_stack can lead to out-of-bounds read. It is possible to launch the attack on the local host. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.
- Products
- squirrel3
- Affected versions
- 3.1-4, 3.1-5, 3.1-8, 3.1-8.2, 3.1-8.3, 3.1-8.4, 3.1-8.5, 3.1-8build1
- Fixed versions
- Not specified
- CVEs
- CVE-2026-2659
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 00:56 UTC · Revision 1
Source evidence
A vulnerability was determined in Squirrel up to 3.2. Affected by this vulnerability is the function SQFuncState::PopTarget of the file src/squirrel/squirrel/sqfuncstate.cpp. Executing a manipulation of the argument _target_stack can lead to out-of-bounds read. It is possible to launch the attack on the local host. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.
osv:UBUNTU-CVE-2026-2659
squirrel3
Fixed versions: Not specified
squirrel3
Fixed versions: Not specified
squirrel3
Fixed versions: Not specified
squirrel3
Fixed versions: Not specified
squirrel3
Fixed versions: Not specified
squirrel3
Fixed versions: Not specified
Complete source record
{
"id": "8208f10bb1bb5e8d7dfa60e1c3f4d917d6d53e3ec7c7f94e53486e7baa591bf6",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2026-2659",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2026-2659",
"summary": "A vulnerability was determined in Squirrel up to 3.2. Affected by this vulnerability is the function SQFuncState::PopTarget of the file src/squirrel/squirrel/sqfuncstate.cpp. Executing a manipulation of the argument _target_stack can lead to out-of-bounds read. It is possible to launch the attack on the local host. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.",
"evidence": "osv:UBUNTU-CVE-2026-2659",
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"aliases": [
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{
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"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
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{
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"score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P"
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{
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"database_specific": {
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"ecosystem_specific": {
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],
"modified": "2026-10-17T12:56:18.018504843Z",
"provider": "osv",
"upstream": [
"CVE-2026-2659"
],
"references": [
"https://ubuntu.com/security/CVE-2026-2659",
"https://www.cve.org/CVERecord?id=CVE-2026-2659",
"https://github.com/albertodemichelis/squirrel/issues/311",
"https://github.com/oneafter/0122/blob/main/i311/repro",
"https://vuldb.com/?ctiid.346457",
"https://vuldb.com/?id.346457",
"https://vuldb.com/?submit.753163"
]
},
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],
"security_relevant": true,
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},
"source_id": "core-osv",
"document_id": 355164,
"published_at": "2026-02-18T18:24:00+00:00"
}