Medium
libpano13 — security advisory
A null pointer dereference was found in libpano13, version libpano13-2.9.20. The flow allows attackers to cause a denial of service and potential code execute via a crafted file.
- Products
- libpano13
- Affected versions
- 2.9.19+dfsg-1, 2.9.19+dfsg-2, 2.9.19+dfsg-2build1, 2.9.19+dfsg-2ubuntu0.1~esm1, 2.9.19+dfsg-3, 2.9.19+dfsg-3ubuntu0.18.04.1~esm1, 2.9.19+dfsg-3ubuntu0.20.04.1, 2.9.20~rc3+dfsg-1, 2.9.20~rc3+dfsg-1ubuntu0.1~esm1, 2.9.22+dfsg-1, 2.9.22+dfsg-1.1, 2.9.22+dfsg-1.1build1, 2.9.22~rc2+dfsg-1, 2.9.23+dfsg-1
- Fixed versions
- Not specified
- CVEs
- CVE-2021-33798
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 00:59 UTC · Revision 1
Source evidence
A null pointer dereference was found in libpano13, version libpano13-2.9.20. The flow allows attackers to cause a denial of service and potential code execute via a crafted file.
osv:UBUNTU-CVE-2021-33798
libpano13
Fixed versions: Not specified
libpano13
Fixed versions: Not specified
libpano13
Fixed versions: Not specified
libpano13
Fixed versions: Not specified
libpano13
Fixed versions: Not specified
libpano13
Fixed versions: Not specified
libpano13
Fixed versions: Not specified
libpano13
Fixed versions: Not specified
Complete source record
{
"id": "f63fea1f16284934fdc568ac2716b018ec541a51ee0317b8c89e74e50c6f6f35",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2021-33798",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2021-33798",
"summary": "A null pointer dereference was found in libpano13, version libpano13-2.9.20. The flow allows attackers to cause a denial of service and potential code execute via a crafted file.",
"evidence": "osv:UBUNTU-CVE-2021-33798",
"products": [
{
"name": {
"value": "libpano13",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "2.9.19+dfsg-1",
"evidence": "/affected/0/versions"
},
{
"value": "2.9.19+dfsg-2",
"evidence": "/affected/0/versions"
},
{
"value": "2.9.19+dfsg-2ubuntu0.1~esm1",
"evidence": "/affected/0/versions"
}
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},
{
"name": {
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"evidence": "/affected/1/package/name"
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"affected_versions": [
{
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{
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"evidence": "/affected/2/versions"
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{
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"evidence": "/affected/3/package/name"
},
"prerequisites": [],
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"affected_versions": [
{
"value": "2.9.20~rc3+dfsg-1",
"evidence": "/affected/3/versions"
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{
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{
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},
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"affected_versions": [
{
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"evidence": "/affected/4/versions"
},
{
"value": "2.9.22+dfsg-1",
"evidence": "/affected/4/versions"
},
{
"value": "2.9.22+dfsg-1.1",
"evidence": "/affected/4/versions"
},
{
"value": "2.9.22+dfsg-1.1build1",
"evidence": "/affected/4/versions"
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},
{
"name": {
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"evidence": "/affected/5/package/name"
},
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"fixed_versions": [],
"affected_versions": [
{
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"evidence": "/affected/5/versions"
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]
},
{
"name": {
"value": "libpano13",
"evidence": "/affected/6/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "2.9.23+dfsg-1",
"evidence": "/affected/6/versions"
}
]
},
{
"name": {
"value": "libpano13",
"evidence": "/affected/7/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "2.9.22+dfsg-1.1build1",
"evidence": "/affected/7/versions"
},
{
"value": "2.9.23+dfsg-1",
"evidence": "/affected/7/versions"
}
]
}
],
"severity": "medium",
"structured": {
"id": "UBUNTU-CVE-2021-33798",
"aliases": [
"UBUNTU-CVE-2021-33798"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/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"
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]
}
],
"package": {
"name": "libpano13",
"purl": "pkg:deb/ubuntu/libpano13?arch=source&distro=esm-apps%2Fxenial",
"ecosystem": "Ubuntu:Pro:16.04:LTS"
},
"versions": [
"2.9.19+dfsg-1",
"2.9.19+dfsg-2",
"2.9.19+dfsg-2ubuntu0.1~esm1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-33798.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libpano13-3",
"binary_version": "2.9.19+dfsg-2ubuntu0.1~esm1"
},
{
"binary_name": "libpano13-bin",
"binary_version": "2.9.19+dfsg-2ubuntu0.1~esm1"
}
]
}
},
{
"ranges": [
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"package": {
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"purl": "pkg:deb/ubuntu/libpano13?arch=source&distro=esm-apps%2Fbionic",
"ecosystem": "Ubuntu:Pro:18.04:LTS"
},
"versions": [
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"2.9.19+dfsg-3",
"2.9.19+dfsg-3ubuntu0.18.04.1~esm1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-33798.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libpano13-3",
"binary_version": "2.9.19+dfsg-3ubuntu0.18.04.1~esm1"
},
{
"binary_name": "libpano13-bin",
"binary_version": "2.9.19+dfsg-3ubuntu0.18.04.1~esm1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
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}
]
}
],
"package": {
"name": "libpano13",
"purl": "pkg:deb/ubuntu/libpano13?arch=source&distro=focal",
"ecosystem": "Ubuntu:20.04:LTS"
},
"versions": [
"2.9.19+dfsg-3",
"2.9.19+dfsg-3ubuntu0.20.04.1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-33798.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libpano13-3",
"binary_version": "2.9.19+dfsg-3ubuntu0.20.04.1"
},
{
"binary_name": "libpano13-bin",
"binary_version": "2.9.19+dfsg-3ubuntu0.20.04.1"
}
]
}
},
{
"ranges": [
{
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"package": {
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"purl": "pkg:deb/ubuntu/libpano13?arch=source&distro=esm-apps%2Fjammy",
"ecosystem": "Ubuntu:Pro:22.04:LTS"
},
"versions": [
"2.9.20~rc3+dfsg-1",
"2.9.20~rc3+dfsg-1ubuntu0.1~esm1"
],
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},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libpano13-3",
"binary_version": "2.9.20~rc3+dfsg-1ubuntu0.1~esm1"
},
{
"binary_name": "libpano13-bin",
"binary_version": "2.9.20~rc3+dfsg-1ubuntu0.1~esm1"
}
]
}
},
{
"ranges": [
{
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],
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"name": "libpano13",
"purl": "pkg:deb/ubuntu/libpano13?arch=source&distro=noble",
"ecosystem": "Ubuntu:24.04:LTS"
},
"versions": [
"2.9.22~rc2+dfsg-1",
"2.9.22+dfsg-1",
"2.9.22+dfsg-1.1",
"2.9.22+dfsg-1.1build1"
],
"database_specific": {
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},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libpano13-3t64",
"binary_version": "2.9.22+dfsg-1.1build1"
},
{
"binary_name": "libpano13-bin",
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}
},
{
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"purl": "pkg:deb/ubuntu/libpano13?arch=source&distro=questing",
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},
"versions": [
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"binary_name": "libpano13-3t64",
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},
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"binary_name": "libpano13-bin",
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}
},
{
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"name": "libpano13",
"purl": "pkg:deb/ubuntu/libpano13?arch=source&distro=stonking",
"ecosystem": "Ubuntu:26.10"
},
"versions": [
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{
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{
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}
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}
},
{
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],
"package": {
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"purl": "pkg:deb/ubuntu/libpano13?arch=source&distro=resolute",
"ecosystem": "Ubuntu:26.04:LTS"
},
"versions": [
"2.9.22+dfsg-1.1build1",
"2.9.23+dfsg-1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-33798.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libpano13-3t64",
"binary_version": "2.9.23+dfsg-1"
},
{
"binary_name": "libpano13-bin",
"binary_version": "2.9.23+dfsg-1"
}
]
}
}
],
"modified": "2026-10-17T12:56:19.681582389Z",
"provider": "osv",
"upstream": [
"CVE-2021-33798"
],
"references": [
"https://ubuntu.com/security/CVE-2021-33798",
"https://sourceforge.net/p/panotools/libpano13/ci/62aa7eed8fae5d8f247a2508a757f31000de386f/",
"https://groups.google.com/u/1/g/hugin-ptx/c/gLtz2vweD74",
"https://www.cve.org/CVERecord?id=CVE-2021-33798"
]
},
"related_cves": [
{
"value": "CVE-2021-33798",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/1/score"
},
"source_id": "core-osv",
"document_id": 355281,
"published_at": "2023-07-07T18:15:00+00:00"
}