CVE-2014-9748
CVE-2014-9748 is a high-severity vulnerability in Libuv with a CVSS 3.x base score of 8.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-362.
Key facts
- Severity: High (CVSS 3.x base score 8.1)
- CVSS v2: 6.8
- EPSS exploit prediction: 3% (83rd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-362
- Affected product: Libuv
- Published:
- Last modified:
Description
The uv_rwlock_t fallback implementation for Windows XP and Server 2003 in libuv before 1.7.4 does not properly prevent threads from releasing the locks of other threads, which allows attackers to cause a denial of service (deadlock) or possibly have unspecified other impact by leveraging a race condition.
Frequently asked questions
- What is CVE-2014-9748?
- The uv_rwlock_t fallback implementation for Windows XP and Server 2003 in libuv before 1.7.4 does not properly prevent threads from releasing the locks of other threads, which allows attackers to cause a denial of service (deadlock) or possibly have unspecified other impact by leveraging a race condition.
- How severe is CVE-2014-9748?
- CVE-2014-9748 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2014-9748 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2014-9748?
- CVE-2014-9748 primarily affects Libuv. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2014-9748?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2014-9748 published?
- CVE-2014-9748 was published on 2020-02-11 and last updated on 2026-06-17.
References
- https://github.com/libuv/libuv/issues/515
- https://github.com/libuv/libuv/pull/516
- https://github.com/nodejs/node/pull/2723
- https://groups.google.com/forum/#%21msg/libuv/KyNnGEXR0OA/NWb605ev2LUJ
- https://groups.google.com/forum/#%21topic/libuv/WO2cl9zasN8
Affected products (2)
- cpe:2.3:a:libuv:libuv:*:*:*:*:*:*:*:*
- cpe:2.3:a:nodejs:node.js:*:*:*:*:*:*:*:*
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