PatchTheCVECVE-2026-18536: Data::Entropy versions before 0.010 for Perl read remote entropy sources over plain HTTP. The Data::Entropy::
32
Routine
HIGH 7.5REMOTEUPGRADE
CVE-2026-18536 is a high-severity flaw (CVSS 7.5) affecting data\. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Data::Entropy versions before 0.010 for Perl read remote entropy sources over plain HTTP. The Data::Entropy::RawSource::RandomOrg and Data::Entropy::RawSource::RandomnumbersInfo remote sources are accessed over plain HTTP. The Data::Entropy::RawSource::RandomOrg integrity check trivially matches any non-empty byte string. Any on-path attacker, such as open WiFi, a compromised ISP, captive portal, or a hostile egress proxy substitutes the respo
Why this priority
- High severity
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
rrwo data\ UPGRADE
Affected: < 0.010
Fixed in: 0.010
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy data || rpm -q data || data --version
2. UPGRADE to 0.010 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade data
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade data
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.