Monitor vulnerabilities like this one.
Sign up free to get alerted when software you use is affected.
7.5
Python's pyasn1 Software Exposes Sensitive Data
RHSA-2026:4146
Summary
A security update is available for Python's pyasn1 software, which could expose sensitive data. If not updated, an attacker could potentially access private information. Update to the latest version to protect your system.
What to do
- Update redhat python-pyasn1 to version 0:0.3.7-6.el8_10.1.
- Update redhat python3-pyasn1 to version 0:0.3.7-6.el8_10.1.
- Update redhat python3-pyasn1-modules to version 0:0.3.7-6.el8_10.1.
Affected software
| Vendor | Product | Affected versions | Fix available |
|---|---|---|---|
| redhat | python-pyasn1 | <= 0:0.3.7-6.el8_10.1 | 0:0.3.7-6.el8_10.1 |
| redhat | python3-pyasn1 | <= 0:0.3.7-6.el8_10.1 | 0:0.3.7-6.el8_10.1 |
| redhat | python3-pyasn1-modules | <= 0:0.3.7-6.el8_10.1 | 0:0.3.7-6.el8_10.1 |
Original title
Red Hat Security Advisory: python-pyasn1 security update
osv CVSS3.1
7.5
- https://access.redhat.com/errata/RHSA-2026:4146 Vendor Advisory
- https://access.redhat.com/security/updates/classification/#important Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2430472 Third Party Advisory
- https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_4146.j... Vendor Advisory
- https://access.redhat.com/security/cve/CVE-2026-23490 Third Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2026-23490 Vendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2026-23490 Vendor Advisory
- https://github.com/pyasn1/pyasn1/commit/3908f144229eed4df24bd569d16e5991ace44970 Third Party Advisory
- https://github.com/pyasn1/pyasn1/releases/tag/v0.6.2 Third Party Advisory
- https://github.com/pyasn1/pyasn1/security/advisories/GHSA-63vm-454h-vhhq Third Party Advisory
Published: 10 Mar 2026 · Updated: 13 Mar 2026 · First seen: 10 Mar 2026