Medium
Security advisory
Incorrect handling of input data in changeAttribute function in the libmysofa library 0.5 - 1.1 will lead to NULL pointer dereference and segmentation fault error in case of restrictive memory protection or near NULL pointer overwrite in case of no memory restrictions (e.g. in embedded environments).
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2020-36149
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 11:26 UTC · Revision 1
Source evidence
Incorrect handling of input data in changeAttribute function in the libmysofa library 0.5 - 1.1 will lead to NULL pointer dereference and segmentation fault error in case of restrictive memory protection or near NULL pointer overwrite in case of no memory restrictions (e.g. in embedded environments).
osv:CVE-2020-36149
Complete source record
{
"id": "6970efbb1ecfd0abeeb9c9c272027366baf9dce75aff8fc06fd13761dea8ef1a",
"url": "https://osv.dev/vulnerability/CVE-2020-36149",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2020-36149",
"summary": "Incorrect handling of input data in changeAttribute function in the libmysofa library 0.5 - 1.1 will lead to NULL pointer dereference and segmentation fault error in case of restrictive memory protection or near NULL pointer overwrite in case of no memory restrictions (e.g. in embedded environments).",
"evidence": "osv:CVE-2020-36149",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2020-36149",
"aliases": [
"CVE-2020-36149"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/hoene/libmysofa",
"type": "GIT",
"events": [
{
"introduced": "65d92e6463537c9f7907b69c2c768a7c8c3a02b5"
},
{
"last_affected": "cc9831fd5b20be4624f4df379b3e18fadf45aca0"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:symonics:libmysofa:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.5"
},
{
"last_affected": "1.1"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"v1.1",
"v1.0",
"v0.9.1",
"v0.9",
"v0.8",
"v0.7",
"v0.6",
"v0.5"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-36149.json"
}
}
],
"modified": "2026-10-20T10:54:20.480183222Z",
"provider": "osv",
"references": [
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RQLNZOVVONQSZZJHQVZT6NMOUUDMGBBR/",
"https://github.com/hoene/libmysofa/issues/137"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*"
],
"vendor_product": "fedoraproject:fedora",
"extracted_events": [
{
"range": [
{
"introduced": "32"
},
{
"last_affected": "32"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2020-36149",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 385094,
"published_at": "2021-02-08T21:15:13.133+00:00"
}