Medium
retroarch, salmon — security advisory
An issue was discovered in cpp-peglib through v0.1.12. peg::resolve_escape_sequence() in peglib.h has a heap-based buffer over-read.
- Products
- retroarch, salmon
- Affected versions
- 1.10.2+ds1-1, 1.10.2+ds1-1build1, 1.10.2+ds1-1build2, 1.10.3+ds1-1, 1.10.3+ds1-3, 1.14.0+dfsg-1build1, 1.15.0+dfsg-1, 1.16.0.3+dfsg-1, 1.18.0+dfsg-1, 1.18.0+dfsg-1ubuntu0.1~esm1, 1.20.0+dfsg-2build1, 1.20.0+dfsg-2build2, 1.20.0+dfsg-3, 1.20.0+dfsg-3ubuntu0.1, 1.22.2+dfsg-1, 1.22.2+dfsg-2, 1.22.2+dfsg-2build1, 1.22.2+dfsg-2ubuntu1
- Fixed versions
- Not specified
- CVEs
- CVE-2020-23915
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 00:37 UTC · Revision 1
Source evidence
An issue was discovered in cpp-peglib through v0.1.12. peg::resolve_escape_sequence() in peglib.h has a heap-based buffer over-read.
osv:UBUNTU-CVE-2020-23915
salmon
Fixed versions: Not specified
retroarch
Fixed versions: Not specified
retroarch
Fixed versions: Not specified
salmon
Fixed versions: Not specified
retroarch
Fixed versions: Not specified
salmon
Fixed versions: Not specified
retroarch
Fixed versions: Not specified
salmon
Fixed versions: Not specified
Complete source record
{
"id": "ab45b91a7ce50df9a8f3cf625c450958f1422941bf26f5a9e772d0bfb729fb4a",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2020-23915",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2020-23915",
"summary": "An issue was discovered in cpp-peglib through v0.1.12. peg::resolve_escape_sequence() in peglib.h has a heap-based buffer over-read.",
"evidence": "osv:UBUNTU-CVE-2020-23915",
"products": [
{
"name": {
"value": "salmon",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.10.2+ds1-1",
"evidence": "/affected/0/versions"
},
{
"value": "1.10.2+ds1-1build1",
"evidence": "/affected/0/versions"
},
{
"value": "1.10.2+ds1-1build2",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "retroarch",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.14.0+dfsg-1build1",
"evidence": "/affected/1/versions"
},
{
"value": "1.15.0+dfsg-1",
"evidence": "/affected/1/versions"
},
{
"value": "1.16.0.3+dfsg-1",
"evidence": "/affected/1/versions"
},
{
"value": "1.18.0+dfsg-1",
"evidence": "/affected/1/versions"
},
{
"value": "1.18.0+dfsg-1ubuntu0.1~esm1",
"evidence": "/affected/1/versions"
}
]
},
{
"name": {
"value": "retroarch",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.20.0+dfsg-2build1",
"evidence": "/affected/2/versions"
},
{
"value": "1.20.0+dfsg-2build2",
"evidence": "/affected/2/versions"
},
{
"value": "1.20.0+dfsg-3",
"evidence": "/affected/2/versions"
},
{
"value": "1.20.0+dfsg-3ubuntu0.1",
"evidence": "/affected/2/versions"
}
]
},
{
"name": {
"value": "salmon",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.10.2+ds1-1build2",
"evidence": "/affected/3/versions"
}
]
},
{
"name": {
"value": "retroarch",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.22.2+dfsg-2ubuntu1",
"evidence": "/affected/4/versions"
}
]
},
{
"name": {
"value": "salmon",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.10.3+ds1-3",
"evidence": "/affected/5/versions"
}
]
},
{
"name": {
"value": "retroarch",
"evidence": "/affected/6/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.20.0+dfsg-3",
"evidence": "/affected/6/versions"
},
{
"value": "1.22.2+dfsg-1",
"evidence": "/affected/6/versions"
},
{
"value": "1.22.2+dfsg-2",
"evidence": "/affected/6/versions"
},
{
"value": "1.22.2+dfsg-2build1",
"evidence": "/affected/6/versions"
},
{
"value": "1.22.2+dfsg-2ubuntu1",
"evidence": "/affected/6/versions"
}
]
},
{
"name": {
"value": "salmon",
"evidence": "/affected/7/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.10.2+ds1-1build2",
"evidence": "/affected/7/versions"
},
{
"value": "1.10.3+ds1-1",
"evidence": "/affected/7/versions"
},
{
"value": "1.10.3+ds1-3",
"evidence": "/affected/7/versions"
}
]
}
],
"severity": "medium",
"structured": {
"id": "UBUNTU-CVE-2020-23915",
"aliases": [
"UBUNTU-CVE-2020-23915"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "salmon",
"purl": "pkg:deb/ubuntu/salmon?arch=source&distro=noble",
"ecosystem": "Ubuntu:24.04:LTS"
},
"versions": [
"1.10.2+ds1-1",
"1.10.2+ds1-1build1",
"1.10.2+ds1-1build2"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-23915.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "salmon",
"binary_version": "1.10.2+ds1-1build2"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "retroarch",
"purl": "pkg:deb/ubuntu/retroarch?arch=source&distro=esm-apps%2Fnoble",
"ecosystem": "Ubuntu:Pro:24.04:LTS"
},
"versions": [
"1.14.0+dfsg-1build1",
"1.15.0+dfsg-1",
"1.16.0.3+dfsg-1",
"1.18.0+dfsg-1",
"1.18.0+dfsg-1ubuntu0.1~esm1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-23915.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "retroarch",
"binary_version": "1.18.0+dfsg-1ubuntu0.1~esm1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "retroarch",
"purl": "pkg:deb/ubuntu/retroarch?arch=source&distro=questing",
"ecosystem": "Ubuntu:25.10"
},
"versions": [
"1.20.0+dfsg-2build1",
"1.20.0+dfsg-2build2",
"1.20.0+dfsg-3",
"1.20.0+dfsg-3ubuntu0.1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-23915.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "retroarch",
"binary_version": "1.20.0+dfsg-3ubuntu0.1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "salmon",
"purl": "pkg:deb/ubuntu/salmon?arch=source&distro=questing",
"ecosystem": "Ubuntu:25.10"
},
"versions": [
"1.10.2+ds1-1build2"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-23915.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "salmon",
"binary_version": "1.10.2+ds1-1build2"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "retroarch",
"purl": "pkg:deb/ubuntu/retroarch?arch=source&distro=stonking",
"ecosystem": "Ubuntu:26.10"
},
"versions": [
"1.22.2+dfsg-2ubuntu1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-23915.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "retroarch",
"binary_version": "1.22.2+dfsg-2ubuntu1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "salmon",
"purl": "pkg:deb/ubuntu/salmon?arch=source&distro=stonking",
"ecosystem": "Ubuntu:26.10"
},
"versions": [
"1.10.3+ds1-3"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-23915.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "salmon",
"binary_version": "1.10.3+ds1-3"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "retroarch",
"purl": "pkg:deb/ubuntu/retroarch?arch=source&distro=resolute",
"ecosystem": "Ubuntu:26.04:LTS"
},
"versions": [
"1.20.0+dfsg-3",
"1.22.2+dfsg-1",
"1.22.2+dfsg-2",
"1.22.2+dfsg-2build1",
"1.22.2+dfsg-2ubuntu1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-23915.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "retroarch",
"binary_version": "1.22.2+dfsg-2ubuntu1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "salmon",
"purl": "pkg:deb/ubuntu/salmon?arch=source&distro=resolute",
"ecosystem": "Ubuntu:26.04:LTS"
},
"versions": [
"1.10.2+ds1-1build2",
"1.10.3+ds1-1",
"1.10.3+ds1-3"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-23915.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "salmon",
"binary_version": "1.10.3+ds1-3"
}
]
}
}
],
"modified": "2026-10-17T12:55:51.846663332Z",
"provider": "osv",
"upstream": [
"CVE-2020-23915"
],
"references": [
"https://ubuntu.com/security/CVE-2020-23915",
"https://github.com/yhirose/cpp-peglib/commit/b3b29ce8f3acf3a32733d930105a17d7b0ba347e",
"https://github.com/yhirose/cpp-peglib/issues/122",
"https://www.cve.org/CVERecord?id=CVE-2020-23915"
]
},
"related_cves": [
{
"value": "CVE-2020-23915",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 354177,
"published_at": "2021-04-21T18:15:00+00:00"
}