CVE-2026-58470

MEDIUMPre-NVD 5.35.3—
EchelonGraph scoreHIGH confidence

Score 5.3 from GitHub Security Advisory published 2026-07-07. the CNA's CVSS baseline 5.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:vulncheck, epss, ghsa
Trending — 3 sources updated this week
5.3
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 5.3Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

GNU Wget through 1.25.0, fixed in commit 43d3ba9, contains an integer overflow vulnerability in the parse_content_range() function within src/http.c that allows server-controlled values to cause signed integer arithmetic to overflow. Attackers can supply malicious Content-Range header values to trigger undefined behavior and download desynchronization in the affected client.

CVSS v3
5.3
EG Score
5.3(high)
EPSS
15.9%
KEV
Not listed

Published

July 7, 2026

Last Modified

July 14, 2026

Advisory Details (2)

Auto-updated Jul 8, 2026
No patch confirmed yet.
generic

GNU Wget 1.25.0 Integer Overflow via Content-Range Header Parsing | Advisories | VulnCheck

https://www.vulncheck.com/advisories/gnu-wget-integer-overflow-via-content-range-header-parsing
generic

* src/http.c (parse_content_range): Fix integer overflow (43d3ba93) · Commits · Wget / wget · GitLab

https://gitlab.com/gnuwget/wget/-/commit/43d3ba9336bc94937e6fae2365c6ffd30c34ffcf

Vendor Advisories for CVE-2026-58470(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 26× in last 7d / 32× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-15 16:57 UTCEPSS rescore
  2. 2026-07-15 16:57 UTCEPSS rescore
  3. 2026-07-15 06:17 UTCEG score recompute
  4. 2026-07-15 06:17 UTCGHSA enrichment
  5. 2026-07-15 02:00 UTCEPSS rescore
  6. 2026-07-15 02:00 UTCEPSS rescore
  7. 2026-07-14 08:03 UTCEG score recompute
  8. 2026-07-14 08:03 UTCGHSA enrichment
  9. 2026-07-13 22:31 UTCEPSS rescore
  10. 2026-07-13 09:40 UTCEG score recompute
  11. 2026-07-13 09:40 UTCGHSA enrichment
  12. 2026-07-13 06:13 UTCEPSS rescore
  13. 2026-07-13 06:13 UTCEPSS rescore
  14. 2026-07-12 11:27 UTCEG score recompute
  15. 2026-07-12 11:27 UTCGHSA enrichment
  16. 2026-07-12 05:46 UTCEPSS rescore
  17. 2026-07-11 13:14 UTCEG score recompute
  18. 2026-07-11 13:14 UTCGHSA enrichment
  19. 2026-07-11 08:27 UTCEPSS rescore
  20. 2026-07-11 08:27 UTCEPSS rescore
  21. 2026-07-10 15:01 UTCEG score recompute
  22. 2026-07-10 15:01 UTCGHSA enrichment
  23. 2026-07-09 19:10 UTCEPSS rescore
  24. 2026-07-09 19:10 UTCEPSS rescore
  25. 2026-07-09 16:49 UTCEG score recompute
Show 7 more
  1. 2026-07-09 16:49 UTCGHSA enrichment
  2. 2026-07-08 18:35 UTCEG score recompute
  3. 2026-07-08 18:35 UTCGHSA enrichment
  4. 2026-07-08 15:16 UTCEPSS rescore
  5. 2026-07-08 15:16 UTCEPSS rescore
  6. 2026-07-07 20:22 UTCEG score recompute
  7. 2026-07-07 20:21 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-58470?
CVE-2026-58470 is a medium vulnerability published on July 7, 2026. GNU Wget through 1.25.0, fixed in commit 43d3ba9, contains an integer overflow vulnerability in the parsecontentrange() function within src/http.c that allows server-controlled values to cause signed integer arithmetic to overflow. Attackers can supply malicious Content-Range header values to…
When was CVE-2026-58470 disclosed?
CVE-2026-58470 was first published in the National Vulnerability Database on July 7, 2026, with the most recent update on July 14, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-58470 actively exploited?
CVE-2026-58470 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 15.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-58470?
CVE-2026-58470 has a CVSS v4.0 base score of 5.3 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-58470?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-58470, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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