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Vulnerabilities

Vulnerability · CVE-2025-14819

When doing TLS related transfers with reused easy or multi handles and altering the option, libcurl could accidentally reuse a CA store cached in memory for which the partial chain

Published Jan 8, 2026 · catalog updated Oct 18, 2026 · When doing TLS related

Check if you run it

No confirmed exploitation is on record for CVE-2025-14819. EPSS is 0.76%. Act only if a listed version of When doing TLS related is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (When doing TLS related).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium5.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.76%
Remediation
Advisory link
Affected products
Alpine:v3.21 curl · Alpine:v3.22 curl · Alpine:v3.23 curl · Alpine:v3.24 curl · cpe haxx/curl

When doing TLS related transfers with reused easy or multi handles and altering the 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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • Alpine:v3.21 curl7.87.0 → 8.14.1-r3
  • Alpine:v3.22 curl7.87.0 → 8.14.1-r4
  • Alpine:v3.23 curl7.87.0 → 8.18.0-r0
  • Alpine:v3.24 curl7.87.0 → 8.18.0-r0
  • cpe haxx/curlversion unspecified

How to fix CVE-2025-14819

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-14819. EPSS is 0.76%. Act only if a listed version of When doing TLS related is installed.

Which versions are affected?

Compare what you have installed with 7.87.0 → 8.14.1-r3, 7.87.0 → 8.14.1-r4, 7.87.0 → 8.18.0-r0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-295: Improper Certificate Validation. EPSS 0.76%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jan 8, 2026 · NIST NVD

    Detected

    When doing TLS related transfers with reused easy or multi handles and altering the 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.

  2. Oct 14, 2026 · NIST NVD

    Updated

    When doing TLS related transfers with reused easy or multi handles and altering the 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.

  3. Oct 18, 2026 · OpenSSF OSV / OSV Scanner

    Fix available

    curl fixed in 8.14.1-r3; curl fixed in 8.14.1-r4; curl fixed in 8.18.0-r0; curl fixed in 8.18.0-r0

  4. Oct 18, 2026 · OpenSSF OSV / OSV Scanner

    Fix available

    curl fixed in 8.14.1-r3

  5. Oct 18, 2026 · OpenSSF OSV / OSV Scanner

    Fix available

    curl fixed in 8.14.1-r4

  6. Oct 18, 2026 · OpenSSF OSV / OSV Scanner

    Fix available

    curl fixed in 8.18.0-r0

  7. Oct 18, 2026 · OpenSSF OSV / OSV Scanner

    Updated

    When doing TLS related transfers with reused easy or multi handles and altering the 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.

Sources

  • CVE.orgVulnerability recordCVE-2025-14819

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-14819

    30-day exploitation probability 0.8%

    first.org
  • NIST NVDVulnerability recordCVE-2025-14819

    When doing TLS related transfers with reused easy or multi handles and altering the 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. T

    nvd.nist.gov
  • OpenSSF OSV / OSV ScannerPackage advisoryALPINE-CVE-2025-14819
    osv.dev
  • Trivy Vulnerability DBPackage advisoryALPINE-CVE-2025-14819

    When doing TLS related transfers with reused easy or multi handles and altering the 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 a

    osv.dev

References

Freshness

Last verified in this catalog Oct 16, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.