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7.5
Python S3 Transfer Tool Security Update for Linux
RHSA-2026:2911
Summary
The Python S3 transfer tool for Linux has a security issue that could allow an attacker to potentially execute code on your system. This issue affects Linux systems running certain versions of the Python S3 transfer tool. To fix this, update your system to the latest version of the tool.
What to do
- Update redhat python-s3transfer to version 0:0.1.13-1.el7_9.6.
Affected software
| Vendor | Product | Affected versions | Fix available |
|---|---|---|---|
| redhat | python-s3transfer | <= 0:0.1.13-1.el7_9.6 | 0:0.1.13-1.el7_9.6 |
Original title
Red Hat Security Advisory: python-s3transfer security update
osv CVSS3.1
7.5
- https://access.redhat.com/errata/RHSA-2026:2911 Vendor Advisory
- https://access.redhat.com/security/updates/classification/#important Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2427726 Third Party Advisory
- https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_2911.j... Vendor Advisory
- https://access.redhat.com/security/cve/CVE-2026-21441 Third Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2026-21441 Vendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2026-21441 Vendor Advisory
- https://github.com/urllib3/urllib3/commit/8864ac407bba8607950025e0979c4c69bc7abc... Third Party Advisory
- https://github.com/urllib3/urllib3/security/advisories/GHSA-38jv-5279-wg99 Third Party Advisory
Published: 19 Feb 2026 · Updated: 7 Mar 2026 · First seen: 6 Mar 2026