CVE-2025-4435

HIGHNVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2025-06-03. NVD baseline CVSS 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
7.5
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.5Exploit: NoneExposed: 0

A fix is available — apply it.

When using a TarFile.errorlevel = 0 and extracting with a filter the documented behavior is that any filtered members would be skipped and not extracted. However the actual behavior of TarFile.errorlevel = 0 in affected versions is that the member would still be extracted and not skipped.

CVSS v3
7.5
EG Score
7.5(medium)
EPSS
38.0%
KEV
Not listed

Published

June 3, 2025

Last Modified

April 15, 2026

References (11)

Vendor Advisories for CVE-2025-4435(14)

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

Patch Availability(15)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntupython3.13-venv (3.13.0-1ubuntu0.3) @ oracular2026-05-21ubuntu
redhatpython39-devel:3.9-8100020251126112422.d47b87a42025-12-18redhat
redhatdiscovery/discovery-server-rhel9:2.0.1-17544787272025-08-06redhat
redhatpython3-0:3.6.8-51.el8_8.102025-07-08redhat
redhatpython3-0:3.6.8-47.el8_6.82025-07-07redhat
redhatpython3.9-0:3.9.18-3.el9_4.82025-07-07redhat
redhatpython3.12-0:3.12.9-1.el9_6.12025-07-02redhat
redhatpython3.12-0:3.12.11-1.el8_102025-07-01redhat
redhatpython3.11-0:3.11.13-1.el8_102025-07-01redhat
redhatpython3.9-0:3.9.21-2.el9_6.12025-07-01redhat
redhatpython3.11-0:3.11.11-2.el9_6.12025-07-01redhat
redhatpython3-0:3.6.8-70.el8_102025-07-01redhat
redhatpython3.12-0:3.12.1-4.el9_4.62025-07-01redhat
redhatpython3.12-0:3.12.9-2.el10_0.22025-07-01redhat
redhatpython3.11-0:3.11.7-1.el9_4.82025-06-30redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

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

Additional Vendor Advisories

(2)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 13× in last 7d / 49× 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.

Showing the most recent 100 of 129 total refreshes for this CVE.

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Frequently asked(5)

What is CVE-2025-4435?
CVE-2025-4435 is a high vulnerability published on June 3, 2025. When using a TarFile.errorlevel = 0 and extracting with a filter the documented behavior is that any filtered members would be skipped and not extracted. However the actual behavior of TarFile.errorlevel = 0 in affected versions is that the member would still be extracted and not skipped.
When was CVE-2025-4435 disclosed?
CVE-2025-4435 was first published in the National Vulnerability Database on June 3, 2025, with the most recent update on April 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-4435 actively exploited?
CVE-2025-4435 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 38.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2025-4435?
CVE-2025-4435 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2025-4435?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-4435, 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.

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