oma is a package manager for AOSC OS. Prior to 1.25.2, oma-topics is responsible for fetching metadata for testing repositories (topics) named "Topic Manifests" ({mirror}/debs/manifest/topics.json) from remote repository servers, registering them as APT source entries. However, the name field in said metadata were not checked for transliteration. In this case, a malicious party may supply a malformed Topic Manifest, which may cause malicious APT source entries to be added to /etc/apt/sources.list.d/atm.list as oma-topics finishes fetching and registering metadata. This vulnerability is fixed in 1.25.2.
{
"cna_assigner": "GitHub_M",
"cwe_ids": [
"CWE-93"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/39xxx/CVE-2026-39958.json"
}{
"extracted_events": [
{
"range": [
{
"introduced": "0"
},
{
"fixed": "1.25.1"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StringRangeExpression"
},
{
"range": [
{
"fixed": "b361c0f219bbf91a684610c76210f71f093dbc18"
}
],
"source": "REFERENCES_COMMIT"
},
{
"original_tag": "v1.25.2",
"range": [
{
"fixed": "0e3761bbba6a085c0a87c81aaeae481f395a3b0c"
}
],
"source": "REFERENCES_TAG"
}
]
}