Your RSA-2048 keys break in 2030. Find every one of them before attackers do.
🐹 Go

CVE-2025-68388

MEDIUM

Elasticsearch Packetbeat has Excessive Allocation of Memory and CPU via Malicious IPv4 Fragments

Also known asGHSA-fj69-23m4-ccvvGO-2025-4253
Published
Dec 18, 2025
Updated
Apr 10, 2026
Affected
4 pkgs
Patched
4 / 4
Exploits
None indexed

EPSS Exploitation Probability

via FIRST.org ↗
0.3%probability of exploitation in next 30 days
Lower Risk22th percentile+0.18%
0.00%0.27%0.54%0.81%0.1%0.3%Jan 26Apr 26Jun 26

EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.

Blast Radius

4 pkgs affected
🐹github.com/elastic/beats🐹github.com/elastic/beats🐹github.com/elastic/beats🐹github.com/elastic/beats/v7

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Go packages — download data is not available via public APIs for these ecosystems.

Description

Allocation of resources without limits or throttling (CWE-770) allows an unauthenticated remote attacker to cause excessive allocation (CAPEC-130) of memory and CPU via the integration of malicious IPv4 fragments, leading to a degradation in Packetbeat.

Affected Packages

4 total 4 fixed
EcosystemPackageVulnerable rangeFix
🐹Gogithub.com/elastic/beats8.6.0&&< 8.19.98.19.9
🐹Gogithub.com/elastic/beats9.0.0&&< 9.1.99.1.9
🐹Gogithub.com/elastic/beats9.2.0&&< 9.2.39.2.3
🐹Gogithub.com/elastic/beats/v7all versions7.0.0-alpha2.0.20251209162832-28cfc80d2f4e

Detection & mitigation playbook

Open-source dependency
  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for github.com/elastic/beats. O3's reachability analysis confirms whether the vulnerable code path is actually invoked in your application, so you act on real exposure instead of every transitive match.

  2. Fix

    Update github.com/elastic/beats to 8.19.9 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2025-68388 is resolved across your whole dependency graph.

  3. Workarounds

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

  4. How O3 protects you

    O3 pinpoints whether CVE-2025-68388 is reachable in your code and exactly where to fix it, then blocks exploitation in production at runtime until the patched version is deployed.

Tailored to CVE-2025-68388. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.

Frequently Asked Questions

Allocation of resources without limits or throttling (CWE-770) allows an unauthenticated remote attacker to cause excessive allocation (CAPEC-130) of memory and CPU via the integration of malicious IPv4 fragments, leading to a degradation in Packetbeat.
O3 Security · Impact-Aware SCA

Is CVE-2025-68388 in your dependencies?

O3 detects CVE-2025-68388 across Go dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.