matrix-sdk-base is the base component to build a Matrix client library. In matrix-sdk-base before 0.14.1, calling the RoomMember::normalized_power_level() method can cause a panic if a room member has a power level of Int::Min. The issue is fixed in matrix-sdk-base 0.14.1. The affected method isn’t used internally, so avoiding calling RoomMember::normalized_power_level() prevents the panic.
CVE-2025-59047
This low-severity CVE scores 2.7 under NVD CVSS v3. EPSS exploit probability: 0.1%, top 68% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 2.7
- EG Score
- 2.7(medium)
- EPSS
- 29.5%
- KEV
- Not listed
Published
September 11, 2025
Last Modified
April 15, 2026
References (4)
- security-advisories@githubhttps://github.com/matrix-org/matrix-rust-sdk/commit/ce3b67f801446387972ff120e907ca828a9f1207
- security-advisories@githubhttps://github.com/matrix-org/matrix-rust-sdk/pull/5635
- security-advisories@githubhttps://github.com/matrix-org/matrix-rust-sdk/releases/tag/matrix-sdk-base-0.14.1
- security-advisories@githubhttps://github.com/matrix-org/matrix-rust-sdk/security/advisories/GHSA-qhj8-q5r6-8q6j
Affected Packages
(1 across 1 ecosystem)
crates.io(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| matrix-sdk-base | — | 0.14.1 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 10× in last 7d / 42× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 101 total refreshes for this CVE.
- 2026-07-11 08:27 UTCEPSS rescore
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Frequently asked(5)
What is CVE-2025-59047?
When was CVE-2025-59047 disclosed?
Is CVE-2025-59047 actively exploited?
What is the CVSS score of CVE-2025-59047?
How do I remediate CVE-2025-59047?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2025-59047
Is Your Infrastructure Affected by CVE-2025-59047?
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