Critical
giac — security advisory
A vulnerability, which was classified as critical, has been found in MicroPython 1.21.0/1.22.0-preview. Affected by this issue is the function poll_set_add_fd of the file extmod/modselect.c. The manipulation leads to use after free. The exploit has been disclosed to the public and may be used. The patch is identified as 8b24aa36ba978eafc6114b6798b47b7bfecdca26. It is recommended to apply a patch to fix this issue. VDB-249158 is the identifier assigned to this vulnerability.
- Products
- giac
- Affected versions
- 1.2.3.57+dfsg1-2build1, 1.2.3.57+dfsg1-2build2, 1.2.3.57+dfsg1-2build3, 1.4.9.69+dfsg1-2build1, 1.5.0.85+dfsg1-2, 1.5.0.85+dfsg1-3, 1.6.0.41+dfsg1-1, 1.7.0.39+dfsg2-1build1, 1.7.0.39+dfsg2-1build2, 1.9.0.35+dfsg2-1.1, 1.9.0.59+dfsg2-1, 1.9.0.69+dfsg2-1, 1.9.0.93+dfsg2-2, 1.9.0.93+dfsg2-3build1, 1.9.0.93+dfsg2-3build2, 1.9.0.93+dfsg2-4
- Fixed versions
- Not specified
- CVEs
- CVE-2023-7152
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 00:43 UTC · Revision 1
Source evidence
A vulnerability, which was classified as critical, has been found in MicroPython 1.21.0/1.22.0-preview. Affected by this issue is the function poll_set_add_fd of the file extmod/modselect.c. The manipulation leads to use after free. The exploit has been disclosed to the public and may be used. The patch is identified as 8b24aa36ba978eafc6114b6798b47b7bfecdca26. It is recommended to apply a patch to fix this issue. VDB-249158 is the identifier assigned to this vulnerability.
osv:UBUNTU-CVE-2023-7152
giac
Fixed versions: Not specified
giac
Fixed versions: Not specified
giac
Fixed versions: Not specified
giac
Fixed versions: Not specified
giac
Fixed versions: Not specified
giac
Fixed versions: Not specified
giac
Fixed versions: Not specified
Complete source record
{
"id": "f0041c73aada72d1136983cd4f44aed29b6439f6438c45763cfd3f1373398044",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2023-7152",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2023-7152",
"summary": "A vulnerability, which was classified as critical, has been found in MicroPython 1.21.0/1.22.0-preview. Affected by this issue is the function poll_set_add_fd of the file extmod/modselect.c. The manipulation leads to use after free. The exploit has been disclosed to the public and may be used. The patch is identified as 8b24aa36ba978eafc6114b6798b47b7bfecdca26. It is recommended to apply a patch to fix this issue. VDB-249158 is the identifier assigned to this vulnerability.",
"evidence": "osv:UBUNTU-CVE-2023-7152",
"products": [
{
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"value": "giac",
"evidence": "/affected/0/package/name"
},
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{
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"evidence": "/affected/0/versions"
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{
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"evidence": "/affected/0/versions"
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{
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{
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"evidence": "/affected/1/versions"
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{
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{
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"evidence": "/affected/2/versions"
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{
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"evidence": "/affected/2/versions"
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{
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{
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},
{
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{
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{
"name": {
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},
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"affected_versions": [
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{
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{
"name": {
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},
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"affected_versions": [
{
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"evidence": "/affected/6/versions"
},
{
"value": "1.9.0.93+dfsg2-3build2",
"evidence": "/affected/6/versions"
}
]
}
],
"severity": "critical",
"structured": {
"id": "UBUNTU-CVE-2023-7152",
"aliases": [
"UBUNTU-CVE-2023-7152"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
],
"affected": [
{
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"events": [
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},
"versions": [
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"1.2.3.57+dfsg1-2build2",
"1.2.3.57+dfsg1-2build3"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-7152.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libgiac0",
"binary_version": "1.2.3.57+dfsg1-2build3"
},
{
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"binary_version": "1.2.3.57+dfsg1-2build3"
}
]
}
},
{
"ranges": [
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"events": [
{
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}
]
}
],
"package": {
"name": "giac",
"purl": "pkg:deb/ubuntu/giac?arch=source&distro=focal",
"ecosystem": "Ubuntu:20.04:LTS"
},
"versions": [
"1.4.9.69+dfsg1-2build1",
"1.5.0.85+dfsg1-2",
"1.5.0.85+dfsg1-3"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-7152.json"
},
"ecosystem_specific": {
"binaries": [
{
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"binary_version": "1.5.0.85+dfsg1-3"
},
{
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}
]
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},
{
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"package": {
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"ecosystem": "Ubuntu:22.04:LTS"
},
"versions": [
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"1.7.0.39+dfsg2-1build1",
"1.7.0.39+dfsg2-1build2"
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},
"ecosystem_specific": {
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},
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],
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},
"ecosystem_specific": {
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},
{
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"package": {
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"ecosystem": "Ubuntu:25.10"
},
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},
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"ecosystem": "Ubuntu:26.04:LTS"
},
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],
"database_specific": {
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},
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],
"modified": "2026-10-17T12:55:59.907743574Z",
"provider": "osv",
"upstream": [
"CVE-2023-7152"
],
"references": [
"https://ubuntu.com/security/CVE-2023-7152",
"https://github.com/micropython/micropython/issues/12887",
"https://github.com/jimmo/micropython/commit/8b24aa36ba978eafc6114b6798b47b7bfecdca26",
"https://www.cve.org/CVERecord?id=CVE-2023-7152"
]
},
"related_cves": [
{
"value": "CVE-2023-7152",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/1/score"
},
"source_id": "core-osv",
"document_id": 354511,
"published_at": "2023-12-29T05:15:00+00:00"
}