broken TLS options for threaded LDAPS

Summary

CVECVE-2025-14017
StatePUBLISHED
Assignercurl
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-01-08 10:15:45 UTC
Updated2026-09-15 07:16:23 UTC
DescriptionWhen 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.

Risk And Classification

Primary CVSS: v3.1 6.3 MEDIUM from ADP

CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N

Problem Types: CWE-567 | NVD-CWE-Other | CWE-567 Unsynchronized Access to Shared Data in a Multi-threaded Context


VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED6.3MEDIUMCVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary6.3MEDIUMCVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
High
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None

CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Haxx Curl All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Curl Curl affected 7.17.0 8.14.2 semver Not specified
CNA Curl Curl affected 8.15.0 8.16.1 semver Not specified
CNA Curl Curl affected 8.17.0 8.18.0 semver Not specified
CNA Curl Curl affected ccba0d10b6baf5c73cae8cf4fb3f29f0f55c5a34 39d1976b7f709a516e3243338ebc0443bdd8d56d git Not specified
CNA Curl Curl affected 8.17.0 Not specified
CNA Curl Curl affected 8.16.0 Not specified
CNA Curl Curl affected 8.15.0 Not specified
CNA Curl Curl affected 8.14.1 Not specified
CNA Curl Curl affected 8.14.0 Not specified
CNA Curl Curl affected 8.13.0 Not specified
CNA Curl Curl affected 8.12.1 Not specified
CNA Curl Curl affected 8.12.0 Not specified
CNA Curl Curl affected 8.11.1 Not specified
CNA Curl Curl affected 8.11.0 Not specified
CNA Curl Curl affected 8.10.1 Not specified
CNA Curl Curl affected 8.10.0 Not specified
CNA Curl Curl affected 8.9.1 Not specified
CNA Curl Curl affected 8.9.0 Not specified
CNA Curl Curl affected 8.8.0 Not specified
CNA Curl Curl affected 8.7.1 Not specified
CNA Curl Curl affected 8.7.0 Not specified
CNA Curl Curl affected 8.6.0 Not specified
CNA Curl Curl affected 8.5.0 Not specified
CNA Curl Curl affected 8.4.0 Not specified
CNA Curl Curl affected 8.3.0 Not specified
CNA Curl Curl affected 8.2.1 Not specified
CNA Curl Curl affected 8.2.0 Not specified
CNA Curl Curl affected 8.1.2 Not specified
CNA Curl Curl affected 8.1.1 Not specified
CNA Curl Curl affected 8.1.0 Not specified
CNA Curl Curl affected 8.0.1 Not specified
CNA Curl Curl affected 8.0.0 Not specified
CNA Curl Curl affected 7.88.1 Not specified
CNA Curl Curl affected 7.88.0 Not specified
CNA Curl Curl affected 7.87.0 Not specified
CNA Curl Curl affected 7.86.0 Not specified
CNA Curl Curl affected 7.85.0 Not specified
CNA Curl Curl affected 7.84.0 Not specified
CNA Curl Curl affected 7.83.1 Not specified
CNA Curl Curl affected 7.83.0 Not specified
CNA Curl Curl affected 7.82.0 Not specified
CNA Curl Curl affected 7.81.0 Not specified
CNA Curl Curl affected 7.80.0 Not specified
CNA Curl Curl affected 7.79.1 Not specified
CNA Curl Curl affected 7.79.0 Not specified
CNA Curl Curl affected 7.78.0 Not specified
CNA Curl Curl affected 7.77.0 Not specified
CNA Curl Curl affected 7.76.1 Not specified
CNA Curl Curl affected 7.76.0 Not specified
CNA Curl Curl affected 7.75.0 Not specified
CNA Curl Curl affected 7.74.0 Not specified
CNA Curl Curl affected 7.73.0 Not specified
CNA Curl Curl affected 7.72.0 Not specified
CNA Curl Curl affected 7.71.1 Not specified
CNA Curl Curl affected 7.71.0 Not specified
CNA Curl Curl affected 7.70.0 Not specified
CNA Curl Curl affected 7.69.1 Not specified
CNA Curl Curl affected 7.69.0 Not specified
CNA Curl Curl affected 7.68.0 Not specified
CNA Curl Curl affected 7.67.0 Not specified
CNA Curl Curl affected 7.66.0 Not specified
CNA Curl Curl affected 7.65.3 Not specified
CNA Curl Curl affected 7.65.2 Not specified
CNA Curl Curl affected 7.65.1 Not specified
CNA Curl Curl affected 7.65.0 Not specified
CNA Curl Curl affected 7.64.1 Not specified
CNA Curl Curl affected 7.64.0 Not specified
CNA Curl Curl affected 7.63.0 Not specified
CNA Curl Curl affected 7.62.0 Not specified
CNA Curl Curl affected 7.61.1 Not specified
CNA Curl Curl affected 7.61.0 Not specified
CNA Curl Curl affected 7.60.0 Not specified
CNA Curl Curl affected 7.59.0 Not specified
CNA Curl Curl affected 7.58.0 Not specified
CNA Curl Curl affected 7.57.0 Not specified
CNA Curl Curl affected 7.56.1 Not specified
CNA Curl Curl affected 7.56.0 Not specified
CNA Curl Curl affected 7.55.1 Not specified
CNA Curl Curl affected 7.55.0 Not specified
CNA Curl Curl affected 7.54.1 Not specified
CNA Curl Curl affected 7.54.0 Not specified
CNA Curl Curl affected 7.53.1 Not specified
CNA Curl Curl affected 7.53.0 Not specified
CNA Curl Curl affected 7.52.1 Not specified
CNA Curl Curl affected 7.52.0 Not specified
CNA Curl Curl affected 7.51.0 Not specified
CNA Curl Curl affected 7.50.3 Not specified
CNA Curl Curl affected 7.50.2 Not specified
CNA Curl Curl affected 7.50.1 Not specified
CNA Curl Curl affected 7.50.0 Not specified
CNA Curl Curl affected 7.49.1 Not specified
CNA Curl Curl affected 7.49.0 Not specified
CNA Curl Curl affected 7.48.0 Not specified
CNA Curl Curl affected 7.47.1 Not specified
CNA Curl Curl affected 7.47.0 Not specified
CNA Curl Curl affected 7.46.0 Not specified
CNA Curl Curl affected 7.45.0 Not specified
CNA Curl Curl affected 7.44.0 Not specified
CNA Curl Curl affected 7.43.0 Not specified
CNA Curl Curl affected 7.42.1 Not specified
CNA Curl Curl affected 7.42.0 Not specified
CNA Curl Curl affected 7.41.0 Not specified
CNA Curl Curl affected 7.40.0 Not specified
CNA Curl Curl affected 7.39.0 Not specified
CNA Curl Curl affected 7.38.0 Not specified
CNA Curl Curl affected 7.37.1 Not specified
CNA Curl Curl affected 7.37.0 Not specified
CNA Curl Curl affected 7.36.0 Not specified
CNA Curl Curl affected 7.35.0 Not specified
CNA Curl Curl affected 7.34.0 Not specified
CNA Curl Curl affected 7.33.0 Not specified
CNA Curl Curl affected 7.32.0 Not specified
CNA Curl Curl affected 7.31.0 Not specified
CNA Curl Curl affected 7.30.0 Not specified
CNA Curl Curl affected 7.29.0 Not specified
CNA Curl Curl affected 7.28.1 Not specified
CNA Curl Curl affected 7.28.0 Not specified
CNA Curl Curl affected 7.27.0 Not specified
CNA Curl Curl affected 7.26.0 Not specified
CNA Curl Curl affected 7.25.0 Not specified
CNA Curl Curl affected 7.24.0 Not specified
CNA Curl Curl affected 7.23.1 Not specified
CNA Curl Curl affected 7.23.0 Not specified
CNA Curl Curl affected 7.22.0 Not specified
CNA Curl Curl affected 7.21.7 Not specified
CNA Curl Curl affected 7.21.6 Not specified
CNA Curl Curl affected 7.21.5 Not specified
CNA Curl Curl affected 7.21.4 Not specified
CNA Curl Curl affected 7.21.3 Not specified
CNA Curl Curl affected 7.21.2 Not specified
CNA Curl Curl affected 7.21.1 Not specified
CNA Curl Curl affected 7.21.0 Not specified
CNA Curl Curl affected 7.20.1 Not specified
CNA Curl Curl affected 7.20.0 Not specified
CNA Curl Curl affected 7.19.7 Not specified
CNA Curl Curl affected 7.19.6 Not specified
CNA Curl Curl affected 7.19.5 Not specified
CNA Curl Curl affected 7.19.4 Not specified
CNA Curl Curl affected 7.19.3 Not specified
CNA Curl Curl affected 7.19.2 Not specified
CNA Curl Curl affected 7.19.1 Not specified
CNA Curl Curl affected 7.19.0 Not specified
CNA Curl Curl affected 7.18.2 Not specified
CNA Curl Curl affected 7.18.1 Not specified
CNA Curl Curl affected 7.18.0 Not specified
CNA Curl Curl affected 7.17.1 Not specified
CNA Curl Curl affected 7.17.0 Not specified

References

ReferenceSourceLinkTags
curl.se/docs/CVE-2025-14017.html 2499f714-1537-4658-8207-48ae4bb9eae9 curl.se Vendor Advisory
curl.se/docs/CVE-2025-14017.json 2499f714-1537-4658-8207-48ae4bb9eae9 curl.se Vendor Advisory
www.openwall.com/lists/oss-security/2026/01/07/3 af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Mailing List, Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Stanislav Fort (Aisle Research) (en)

CNA: Daniel Stenberg (en)

© CVE.report 2026

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