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Fencer Vulns
medium 4.8

CVE-2025-5025 json

No QUIC certificate pinning with wolfSSL

published 2025-05-28 17 mo ago modified 2026-07-25 3 mo ago also EUVD-2025-16332 , GHSA-x8ch-h5vv-q6cm , JLSEC-2026-433

cvss
4.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 23%
public exploits
0
none known

Summary

libcurl supports *pinning* of the server certificate public key for HTTPS transfers. Due to an omission, this check is not performed when connecting with QUIC for HTTP/3, when the TLS backend is wolfSSL. Documentation says the option works with wolfSSL, failing to specify that it does not for QUIC and HTTP/3. Since pinning makes the transfer succeed if the pin is fine, users could unwittingly connect to an impostor server without noticing.

Patch / fix

  • julia CURL_jll 8.14.1+0
  • julia LibCURL_jll 8.14.1+0
  • haxx curl 8.14.0
  • curl Debian 14, Debian 13 8.14.0-1

debian advisories DEBIAN-CVE-2025-5025

  • curl SLE Module for Basesystem 15 SP7, SLE Module for Basesystem 15 SP6, openSUSE Leap 15.6 8.14.1-150600.4.28.1
  • curl Linux Micro 6.1 8.14.1-slfo.1.1_1.1

suse advisories SUSE-SU-2025:03198-1SUSE-SU-2025:20675-1

  • curl openSUSE Tumbleweed 8.14.0-1.1

opensuse advisories openSUSE-SU-2025:15176-1

  • curl Alpine 3.24, Alpine 3.23, Alpine 3.22 +3 more 8.14.0-r0

alpine advisories ALPINE-CVE-2025-5025

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • cmake Azure Linux 3.0 3.30.3-6

azure linux advisories AZL-62038

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2025-5025 updated cvss 4.8

curl: libcurl: QUIC Certificate Pinning Bypass

  • Red Hat Confidential Compute Attestation confidential-compute-attestation-tech-preview/trustee-rhel9 Red Hat Enterprise Linux 6 curl, libcurl Red Hat Enterprise Linux 7 curl, libcurl Red Hat Enterprise Linux 8 curl, libcurl, libcurl-minimal Red Hat Enterprise Linux 9 curl, rust, cargo, clippy, libcurl, rustfmt, +14 more Red Hat Enterprise Linux 10 curl, snphost, trustee-guest-components
    +3 more products
    Red Hat JBoss Core Services curl Red Hat OpenShift Container Platform 4 openshift/ose-rhel-coreos-8, openshift/ose-rhel-coreos-9 Red Hat Trusted Profile Analyzer rhtpa/rhtpa-trustification-service-rhel9
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
17 mo ago

Exploit prediction

0.31% chance of exploitation in the next 30 days, higher than 23% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • hackerone.com https://hackerone.com/reports/3153497 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 4.8 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
CNA 3.1 4.8 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
OSV 3.1 4.8 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

Affected packages

ecosystem package affected fixed in
julia CURL_jll
>=8.5.0+0, <8.14.1+0
8.14.1+0
julia LibCURL_jll
>=8.5.0+0, <8.14.1+0
8.14.1+0

Affected products

  • curl curl

Classification

Weakness
  • CWE-295 Improper Certificate Validation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.