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Vulnerability details: VCID-5xp7-mcsa-uqd4
Vulnerability ID VCID-5xp7-mcsa-uqd4
Aliases CVE-2025-14819
Summary When doing TLS related transfers with reused easy or multi handles and altering the `CURLSSLOPT_NO_PARTIALCHAIN` option, libcurl could accidentally reuse a CA store cached in memory for which the partial chain option was reversed. Contrary to the user's wishes and expectations. This could make libcurl find and accept a trust chain that it otherwise would not.
Status Published
Exploitability 0.5
Weighted Severity 6.1
Risk 3.0
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-295 Improper Certificate Validation
System Score Found at
cvssv3 6.8 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-14819.json
epss 0.00045 https://api.first.org/data/v1/epss?cve=CVE-2025-14819
epss 0.00045 https://api.first.org/data/v1/epss?cve=CVE-2025-14819
epss 0.00045 https://api.first.org/data/v1/epss?cve=CVE-2025-14819
epss 0.00045 https://api.first.org/data/v1/epss?cve=CVE-2025-14819
epss 0.00045 https://api.first.org/data/v1/epss?cve=CVE-2025-14819
epss 0.00045 https://api.first.org/data/v1/epss?cve=CVE-2025-14819
epss 0.00045 https://api.first.org/data/v1/epss?cve=CVE-2025-14819
epss 0.00045 https://api.first.org/data/v1/epss?cve=CVE-2025-14819
epss 0.00045 https://api.first.org/data/v1/epss?cve=CVE-2025-14819
cvssv3.1 5.3 https://curl.se/docs/CVE-2025-14819.html
cvssv3.1 Low https://curl.se/docs/CVE-2025-14819.html
ssvc Track https://curl.se/docs/CVE-2025-14819.html
cvssv3.1 5.3 https://curl.se/docs/CVE-2025-14819.json
ssvc Track https://curl.se/docs/CVE-2025-14819.json
cvssv3.1 5.3 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-14819.json
https://api.first.org/data/v1/epss?cve=CVE-2025-14819
https://curl.se/docs/CVE-2025-14819.html
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
2426408 https://bugzilla.redhat.com/show_bug.cgi?id=2426408
CVE-2025-14819.json https://curl.se/docs/CVE-2025-14819.json
USN-8062-1 https://usn.ubuntu.com/8062-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-14819.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N Found at https://curl.se/docs/CVE-2025-14819.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-01-08T15:00:02Z/ Found at https://curl.se/docs/CVE-2025-14819.html
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N Found at https://curl.se/docs/CVE-2025-14819.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-01-08T15:00:02Z/ Found at https://curl.se/docs/CVE-2025-14819.json
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.13995
EPSS Score 0.00045
Published At April 2, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T17:19:35.940812+00:00 Ubuntu USN Importer Import https://usn.ubuntu.com/8062-1/ 38.0.0