Medium
retroarch — security advisory
An issue was discovered in cpp-peglib through v0.1.12. A NULL pointer dereference exists in the peg::AstOptimizer::optimize() located in peglib.h. It allows an attacker to cause Denial of Service.
- Products
- retroarch
- Affected versions
- 1.14.0+dfsg-1, 1.15.0+dfsg-1, 1.16.0.3+dfsg-1, 1.18.0+dfsg-1, 1.19.1+dfsg-1, 1.20.0+dfsg-1, 1.20.0+dfsg-2, 1.20.0+dfsg-3, 1.22.2+dfsg-1, 1.22.2+dfsg-2, 1.22.2+dfsg-3
- Fixed versions
- Not specified
- CVEs
- CVE-2020-23914
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 13:41 UTC · Revision 1
Source evidence
An issue was discovered in cpp-peglib through v0.1.12. A NULL pointer dereference exists in the peg::AstOptimizer::optimize() located in peglib.h. It allows an attacker to cause Denial of Service.
osv:DEBIAN-CVE-2020-23914
retroarch
Fixed versions: Not specified
retroarch
Fixed versions: Not specified
retroarch
Fixed versions: Not specified
Complete source record
{
"id": "fe7b76cacdd62710324ca3cdb5de083d0e8a4d2b93de1f6f9f8b48851468db0b",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2020-23914",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2020-23914",
"summary": "An issue was discovered in cpp-peglib through v0.1.12. A NULL pointer dereference exists in the peg::AstOptimizer::optimize() located in peglib.h. It allows an attacker to cause Denial of Service.",
"evidence": "osv:DEBIAN-CVE-2020-23914",
"products": [
{
"name": {
"value": "retroarch",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.14.0+dfsg-1",
"evidence": "/affected/0/versions"
},
{
"value": "1.15.0+dfsg-1",
"evidence": "/affected/0/versions"
},
{
"value": "1.16.0.3+dfsg-1",
"evidence": "/affected/0/versions"
},
{
"value": "1.18.0+dfsg-1",
"evidence": "/affected/0/versions"
},
{
"value": "1.19.1+dfsg-1",
"evidence": "/affected/0/versions"
},
{
"value": "1.20.0+dfsg-1",
"evidence": "/affected/0/versions"
},
{
"value": "1.20.0+dfsg-2",
"evidence": "/affected/0/versions"
},
{
"value": "1.20.0+dfsg-3",
"evidence": "/affected/0/versions"
},
{
"value": "1.22.2+dfsg-1",
"evidence": "/affected/0/versions"
},
{
"value": "1.22.2+dfsg-2",
"evidence": "/affected/0/versions"
},
{
"value": "1.22.2+dfsg-3",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "retroarch",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.20.0+dfsg-2",
"evidence": "/affected/1/versions"
},
{
"value": "1.20.0+dfsg-3",
"evidence": "/affected/1/versions"
},
{
"value": "1.22.2+dfsg-1",
"evidence": "/affected/1/versions"
},
{
"value": "1.22.2+dfsg-2",
"evidence": "/affected/1/versions"
},
{
"value": "1.22.2+dfsg-3",
"evidence": "/affected/1/versions"
}
]
},
{
"name": {
"value": "retroarch",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.20.0+dfsg-2",
"evidence": "/affected/2/versions"
},
{
"value": "1.20.0+dfsg-3",
"evidence": "/affected/2/versions"
},
{
"value": "1.22.2+dfsg-1",
"evidence": "/affected/2/versions"
},
{
"value": "1.22.2+dfsg-2",
"evidence": "/affected/2/versions"
},
{
"value": "1.22.2+dfsg-3",
"evidence": "/affected/2/versions"
}
]
}
],
"severity": "medium",
"structured": {
"id": "DEBIAN-CVE-2020-23914",
"aliases": [
"DEBIAN-CVE-2020-23914"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "retroarch",
"purl": "pkg:deb/debian/retroarch?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"versions": [
"1.14.0+dfsg-1",
"1.15.0+dfsg-1",
"1.16.0.3+dfsg-1",
"1.18.0+dfsg-1",
"1.19.1+dfsg-1",
"1.20.0+dfsg-1",
"1.20.0+dfsg-2",
"1.20.0+dfsg-3",
"1.22.2+dfsg-1",
"1.22.2+dfsg-2",
"1.22.2+dfsg-3"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-23914.json"
},
"ecosystem_specific": {
"urgency": "unimportant"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "retroarch",
"purl": "pkg:deb/debian/retroarch?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"versions": [
"1.20.0+dfsg-2",
"1.20.0+dfsg-3",
"1.22.2+dfsg-1",
"1.22.2+dfsg-2",
"1.22.2+dfsg-3"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-23914.json"
},
"ecosystem_specific": {
"urgency": "unimportant"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "retroarch",
"purl": "pkg:deb/debian/retroarch?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"versions": [
"1.20.0+dfsg-2",
"1.20.0+dfsg-3",
"1.22.2+dfsg-1",
"1.22.2+dfsg-2",
"1.22.2+dfsg-3"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-23914.json"
},
"ecosystem_specific": {
"urgency": "unimportant"
}
}
],
"modified": "2026-10-26T12:02:39.668741071Z",
"provider": "osv",
"upstream": [
"CVE-2020-23914"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2020-23914"
]
},
"related_cves": [
{
"value": "CVE-2020-23914",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 452672,
"published_at": "2021-04-21T18:15:08.237+00:00"
}