Medium
olm — security advisory
An issue was discovered in Matrix libolm through 3.2.16. Cache-timing attacks can occur due to use of base64 when decoding group session keys. This refers to the libolm implementation of Olm. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.
- Products
- olm
- Affected versions
- 2.2.2+git20170526.0fd768e+dfsg-1, 3.1.3+dfsg-2, 3.1.3+dfsg-2build1, 3.1.3+dfsg-2build2, 3.1.3+dfsg-2ubuntu0.1~esm1, 3.2.10~dfsg-4ubuntu1, 3.2.10~dfsg-5ubuntu1, 3.2.10~dfsg-6ubuntu1, 3.2.13~dfsg-1ubuntu1, 3.2.15~dfsg-1ubuntu1, 3.2.16+dfsg-2, 3.2.16+dfsg-3, 3.2.16+dfsg-5, 3.2.16+dfsg-6, 3.2.1~dfsg-7ubuntu2, 3.2.1~dfsg-7ubuntu3
- Fixed versions
- Not specified
- CVEs
- CVE-2024-45192
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 01:22 UTC · Revision 1
Source evidence
An issue was discovered in Matrix libolm through 3.2.16. Cache-timing attacks can occur due to use of base64 when decoding group session keys. This refers to the libolm implementation of Olm. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.
osv:UBUNTU-CVE-2024-45192
olm
Fixed versions: Not specified
olm
Fixed versions: Not specified
olm
Fixed versions: Not specified
olm
Fixed versions: Not specified
olm
Fixed versions: Not specified
olm
Fixed versions: Not specified
olm
Fixed versions: Not specified
Complete source record
{
"id": "33a4f68fc89105015a38ace29d4803c30945351766ed9ba794ad4027ae5fc7a1",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2024-45192",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2024-45192",
"summary": "An issue was discovered in Matrix libolm through 3.2.16. Cache-timing attacks can occur due to use of base64 when decoding group session keys. This refers to the libolm implementation of Olm. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.",
"evidence": "osv:UBUNTU-CVE-2024-45192",
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"severity": "medium",
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"aliases": [
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"metrics": [
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"score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N"
},
{
"type": "Ubuntu",
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"affected": [
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],
"modified": "2026-10-17T12:56:45.461759102Z",
"provider": "osv",
"upstream": [
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],
"references": [
"https://ubuntu.com/security/CVE-2024-45192",
"https://www.cve.org/CVERecord?id=CVE-2024-45192",
"https://soatok.blog/2024/08/14/security-issues-in-matrixs-olm-library/",
"https://gitlab.matrix.org/matrix-org/olm/-/commit/6d4b5b07887821a95b144091c8497d09d377f985",
"https://gitlab.matrix.org/matrix-org/olm/",
"https://news.ycombinator.com/item?id=41249371"
]
},
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"value": "CVE-2024-45192",
"evidence": "/upstream"
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"security_relevant": true,
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},
"source_id": "core-osv",
"document_id": 356163,
"published_at": "2024-08-22T16:15:00+00:00"
}