DescriptionIn Apache Commons Beanutils 1.9.2, a special BeanIntrospector class was added which allows suppressing the ability for an attacker to access the classloader via the class property available on all Java objects. We, however were not using this by default characteristic of the PropertyUtilsBean.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
commons-beanutils (PTS)buster1.9.3-1vulnerable
bookworm, bullseye1.9.4-1fixed
sid, trixie1.9.4-2fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs


[buster] - commons-beanutils <no-dsa> (Minor issue; can be fixed via point release)
[stretch] - commons-beanutils <no-dsa> (Minor issue; can be fixed via point release)
With the patch applied, the libary is secured by default. To opt-out and allow
access to the 'class' property one needs to remove the feature explicitly. Cf.

Search for package or bug name: Reporting problems