Free and open · new CVEs checked every 20 minutesStatusRSSOpen dataContact

CVE-2025-29903: In JetBrains Runtime before 21.0.6b872.80 arbitrary dynamic library execution due to insecure macOS flags was

20
Routine
MEDIUM 5.2UPGRADE

CVE-2025-29903 is a medium-severity flaw (CVSS 5.2) affecting runtime. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

In JetBrains Runtime before 21.0.6b872.80 arbitrary dynamic library execution due to insecure macOS flags was possible

Why this priority

  • No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score5.2 (Medium)
Attack vectorLocal
Attack complexityLow
Privileges neededLow
User interactionNone
EPSS exploit chance0.2% (top 92%)
CISA exploited listNo
WeaknessCWE-426
Published2025-03-12
Last modified2026-06-17
Publisher (CNA): JetBrains s.r.o. · Vendor: jetbrains

Share: LinkedIn · X · Reddit

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

jetbrains runtime UPGRADE
Affected: < 21.0.6b872.80
Fixed in: 21.0.6b872.80
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy runtime || rpm -q runtime || runtime --version
2. UPGRADE to 21.0.6b872.80 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade runtime
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade runtime
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.

Quick answers

How do I fix CVE-2025-29903?

runtime: upgrade to 21.0.6b872.80. Exact commands for each OS are on this page.

Is CVE-2025-29903 being exploited?

CVE-2025-29903 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-29903 affect?

CVE-2025-29903 affects runtime. Severity is medium (CVSS 5.2). In JetBrains Runtime before 21.0.6b872.80 arbitrary dynamic library execution due to insecure macOS flags was possible

How urgent is CVE-2025-29903?

Priority 20/100. No elevated risk signals yet.

Software pages

macOS vulnerabilities

References

← Back to latest CVEs

Get the weekly exploited-CVE digest by emailThe CVEs being attacked this week and how to fix them. No spam, unsubscribe any time.