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OpenAdvisories
Medium · 6.5 CVE-2025-4575 EUVD-2025-16128GHSA-v8qh-5c5w-48pp

The x509 application adds trusted use instead of rejected use

Published May 22, 2025 · Updated May 22, 2025 · Assigned by openssl

Description

Issue summary: Use of -addreject option with the openssl x509 application adds
a trusted use instead of a rejected use for a certificate.

Impact summary: If a user intends to make a trusted certificate rejected for
a particular use it will be instead marked as trusted for that use.

A copy & paste error during minor refactoring of the code introduced this
issue in the OpenSSL 3.5 version. If, for example, a trusted CA certificate
should be trusted only for the purpose of authenticating TLS servers but not
for CMS signature verification and the CMS signature verification is intended
to be marked as rejected with the -addreject option, the resulting CA
certificate will be trusted for CMS signature verification purpose instead.

Only users which use the trusted certificate format who use the openssl x509
command line application to add rejected uses are affected by this issue.
The issues affecting only the command line application are considered to
be Low severity.

The FIPS modules in 3.5, 3.4, 3.3, 3.2, 3.1 and 3.0 are not affected by this
issue.

OpenSSL 3.4, 3.3, 3.2, 3.1, 3.0, 1.1.1 and 1.0.2 are also not affected by this
issue.

Affected products

VendorProductAffectedFixed
OpenSSL OpenSSL 3.5.0 – < 3.5.1 3.5.1

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Debian 14 openssl 3.5.0-2 —
Debian 13 openssl 3.5.0-2 —
ReleasePackageFixed inAdvisory
openSUSE Tumbleweed openssl-3 3.5.0-3.1 openSUSE-SU-2025:15183-1
ReleasePackageFixed inAdvisory
Alpine v3.24 openssl 3.5.1-r0 —
Alpine v3.23 openssl 3.5.1-r0 —
Alpine v3.22 openssl 3.5.1-r0 —

Wolfi

ReleasePackageFixed inAdvisory
Wolfi rolling openssl +1 3.5.1-r0 —
Wolfi rolling openssl-doc 3.5.0-r2 —

Advisories 6

References