Public proof of conceptFix available

CVE-2007-4559

Q: Is CVE-2007-4559 actively exploited?

A proof-of-concept exploit exists for CVE-2007-4559, but active exploitation has not been confirmed at this time.

Q: What is the CVSS score for CVE-2007-4559?

CVE-2007-4559 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

A public proof of concept exists; no exploitation attested.

Published2007-08-28
Fixed in3.11.4 · 3.10.12 · 3.9.17 · 3.8.17 · 3.6.16
WeaknessCWE-22

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Directory traversal vulnerability in the (1) extract and (2) extractall functions in the tarfile module in Python allows user-assisted remote attackers to overwrite arbitrary files via a .. (dot dot) sequence in filenames in a TAR archive, a related issue to CVE-2001-1267.

Timeline

dates in UTC

2007-08-2801:17CVE publishedNVD
2026-10-2319:23First public proof of conceptPoC-in-GitHub
2026-10-2319:23EPSS crossed 10 %FIRST EPSS

Observed activity

isMalicious corpus · updated 2026-10-28 03:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2007-4559?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2007-4559?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD · OSV

Python

Branch	Affected	Fixed in	Source
3.11	≥ 3.11.0, < 3.11.4	3.11.4	NVD · OSV
3.10	≥ 3.10.0, < 3.10.12	3.10.12	NVD · OSV
3.9	≥ 3.9.0, < 3.9.17	3.9.17	NVD · OSV
3.x	≥ 3.7.0, < 3.8.17	3.8.17	NVD · OSV
3.6	< 3.6.16	3.6.16	NVD · OSV

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

platform-pythonAlmaLinux:8all versions · fixed in 3.6.8-56.el8_9.alma.1and 6 other packages
python3AlmaLinux:9all versions · fixed in 3.9.18-1.el9_3and 7 other packages
python3-pipAlmaLinux:9all versions · fixed in 21.2.3-7.el9and 1 other package
python3-pipAlmaLinux:8all versions · fixed in 9.0.3-23.el8and 2 other packages
python3.11AlmaLinux:9all versions · fixed in 3.11.5-1.el9_3and 6 other packages
python3.11AlmaLinux:8all versions · fixed in 3.11.5-1.el8_9and 7 other packages
python3.11-pipAlmaLinux:9all versions · fixed in 22.3.1-4.el9and 1 other package
python3.11-pipAlmaLinux:8all versions · fixed in 22.3.1-4.el8and 1 other package

86 more package ranges on OSV.dev

Full record on NVD

Fix

Update Python to 3.11.4 · 3.10.12 · 3.9.17 · 3.8.17 · 3.6.16

Advisories and patches

mail.python.orgVendor Advisory

Detection

read 2026-10-28 00:44 UTC

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: 7 repositories, unverifiedadvanced-threat-research/CreosoteOoscaar/MALWdavidholiday/CVE-2007-4559luigigubello/trellix-tarslip-patch-bypassm0d0ri205/wargame-tarpioka

Sources

CISA-ADPSSVC decisionpoc2025-01-17
OpenCVESSVC decisionpoc—
CISA-ADPCVSS 3.19.82025-01-17
NVDCVSS 2.06.8read 2026-10-23
CISA-ADPweakness (CWE)CWE-222025-01-17
NVDweakness (CWE)CWE-22read 2026-10-23
FIRST EPSSEPSS score27.1 %read 2026-10-28
PoC-in-GitHubproof of concept7read 2026-10-28
OSVaffected packages—

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: 2007-08-28
Last Modified: 2026-06-16
NVD status: Modified

Frequently asked questions

What is CVE-2007-4559?

Is CVE-2007-4559 actively exploited?

A proof-of-concept exploit exists for CVE-2007-4559, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2007-4559?

CVE-2007-4559 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Running Python? Hear about its next vulnerability

Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».

Get alerts for this product CISA KEV additions, October 2026 Search CVEs

No credit card required · No monthly cap on website lookups · 250 API requests/month

Go further

Following what attackers exploit right now? The CISA KEV additions of the month, with their patch deadlines.
Running this software? Vulnerability monitoring alerts you to new vulnerabilities in your products.

Related vulnerabilities

Same product first, then the same vendor advisory and the same publication week.

Back to CVE Database