CVE-2025-14017
CVE-2025-14017 is a medium-severity vulnerability in Haxx Curl with a CVSS 3.x base score of 6.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: Medium (CVSS 3.x base score 6.3)
- EPSS exploit prediction: 0% (1st percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-1581
- Affected product: Haxx Curl
- Published:
- Last modified:
Description
When doing multi-threaded LDAPS transfers (LDAP over TLS) with libcurl, changing TLS options in one thread would inadvertently change them globally and therefore possibly also affect other concurrently setup transfers. Disabling certificate verification for a specific transfer could unintentionally disable the feature for other threads as well.
Frequently asked questions
- What is CVE-2025-14017?
- When doing multi-threaded LDAPS transfers (LDAP over TLS) with libcurl, changing TLS options in one thread would inadvertently change them globally and therefore possibly also affect other concurrently setup transfers. Disabling certificate verification for a specific transfer could unintentionally disable the feature for other threads as well.
- How severe is CVE-2025-14017?
- CVE-2025-14017 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over local access with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.
- Is CVE-2025-14017 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-14017?
- CVE-2025-14017 affects Haxx Curl. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2025-14017?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2025-14017 have an EU (EUVD) identifier?
- Yes. CVE-2025-14017 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-1581.
- When was CVE-2025-14017 published?
- CVE-2025-14017 was published on 2026-01-08 and last updated on 2026-06-17.
References
- https://curl.se/docs/CVE-2025-14017.html
- https://curl.se/docs/CVE-2025-14017.json
- http://www.openwall.com/lists/oss-security/2026/01/07/3
Affected products (1)
- cpe:2.3:a:haxx:curl:*:*:*:*:*:*:*:*
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