VDB
RHSA-2026%3A5399
RHSA-2026%3A5399
PUBLISHED
CVSS 7.099999904632568 HIGH
Record from OSV · Published March 23, 2026
Red Hat Security Advisory: python3.12 security update
Fixed versions
Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.
| Package | Ecosystem | Fixed in |
|---|---|---|
| python3.12 | Red Hat:rhel_eus:9.4::crb | 3.12.1-4.el9, 0:3.12.1-4.el9_4.11 |
| python3.12-debuginfo | Red Hat:rhel_eus:9.4::appstream | 3.12.1-4.el9, 0:3.12.1-4.el9_4.11 |
| python3.12-test | Red Hat:rhel_eus:9.4::crb | 3.12.1-4.el9, 0:3.12.1-4.el9_4.11 |
| python3.12-devel | Red Hat:rhel_eus:9.4::crb | 3.12.1-4.el9, 0:3.12.1-4.el9_4.11 |
| python3.12-tkinter | Red Hat:rhel_eus:9.4::appstream | 3.12.1-4.el9, 0:3.12.1-4.el9_4.11 |
| python3.12-debugsource | Red Hat:rhel_eus:9.4::appstream | 3.12.1-4.el9, 0:3.12.1-4.el9_4.11 |
| python3.12-libs | Red Hat:rhel_eus:9.4::crb | 3.12.1-4.el9, 0:3.12.1-4.el9_4.11 |
| python3.12-test | Red Hat:rhel_eus:9.4::appstream | 3.12.1-4.el9, 0:3.12.1-4.el9_4.11 |
| python3.12 | Red Hat:rhel_eus:9.4::appstream | 3.12.1-4.el9, 0:3.12.1-4.el9_4.11 |
| python3.12-debugsource | Red Hat:rhel_eus:9.4::crb | 3.12.1-4.el9, 0:3.12.1-4.el9_4.11 |
| python3.12-debug | Red Hat:rhel_eus:9.4::crb | 3.12.1-4.el9, 0:3.12.1-4.el9_4.11 |
| python3.12-debuginfo | Red Hat:rhel_eus:9.4::crb | 3.12.1-4.el9, 0:3.12.1-4.el9_4.11 |
6 more packages have a fixed version. See every fix in Lookup.
Risk scores
CVSS 3.1
7.099999904632568
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Red Hat:rhel_eus:9.4::crb | python3.12 | 0, 0 |
| Red Hat:rhel_eus:9.4::appstream | python3.12-debuginfo | 0, 0 |
| Red Hat:rhel_eus:9.4::crb | python3.12-test | 0, 0 |
| Red Hat:rhel_eus:9.4::crb | python3.12-devel | 0, 0 |
| Red Hat:rhel_eus:9.4::appstream | python3.12-tkinter | 0, 0 |
| Red Hat:rhel_eus:9.4::appstream | python3.12-debugsource | 0, 0 |
| Red Hat:rhel_eus:9.4::crb | python3.12-libs | 0, 0 |
| Red Hat:rhel_eus:9.4::appstream | python3.12-test | 0, 0 |
| Red Hat:rhel_eus:9.4::appstream | python3.12 | 0, 0 |
| Red Hat:rhel_eus:9.4::crb | python3.12-debugsource | 0, 0 |
| Red Hat:rhel_eus:9.4::crb | python3.12-debug | 0, 0 |
| Red Hat:rhel_eus:9.4::crb | python3.12-debuginfo | 0, 0 |
| Red Hat:rhel_eus:9.4::appstream | python3.12-devel | 0, 0 |
| Red Hat:rhel_eus:9.4::appstream | python3.12-debug | 0, 0 |
| Red Hat:rhel_eus:9.4::appstream | python3.12-idle | 0, 0 |
| Red Hat:rhel_eus:9.4::crb | python3.12-tkinter | 0, 0 |
| Red Hat:rhel_eus:9.4::appstream | python3.12-libs | 0, 0 |
| Red Hat:rhel_eus:9.4::crb | python3.12-idle | 0, 0 |
Timeline
- Mar 23, 2026 CVE Published
- May 19, 2026 Distribution Patch (2 in total, the first dated here)
- May 19, 2026 Security Advisory (4 in total, the first dated here)
- Jun 28, 2026 CVE Updated
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References
- https://bugzilla.redhat.com/show_bug.cgi?id=2431373 report
- https://bugzilla.redhat.com/show_bug.cgi?id=2432437 report
- https://www.cve.org/CVERecord?id=CVE-2025-15367 advisory
- https://github.com/python/cpython/pull/143924 article
- https://cve.org/CVERecord?id=CVE-2024-6923 article
- https://github.com/python/cpython/commit/052e55e7d44718fe46cbba0ca995cb8fcc359413 article
- https://github.com/python/cpython/pull/144126 article
- https://access.redhat.com/errata/RHSA-2026:5399 advisory
- https://access.redhat.com/security/updates/classification/#moderate article
- https://bugzilla.redhat.com/show_bug.cgi?id=2431368 report
- https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_5399.json advisory
- https://access.redhat.com/security/cve/CVE-2025-15366 report
- https://www.cve.org/CVERecord?id=CVE-2025-15366 advisory
- https://nvd.nist.gov/vuln/detail/CVE-2025-15366 advisory
- https://github.com/python/cpython/issues/143921 article
- https://github.com/python/cpython/pull/143922 article
- https://mail.python.org/archives/list/security-announce@python.org/thread/DD7C7JZJYTBXMDOWKCEIEBJLBRU64OMR/ article
- https://access.redhat.com/security/cve/CVE-2025-15367 report
- https://nvd.nist.gov/vuln/detail/CVE-2025-15367 advisory
- https://github.com/python/cpython/issues/143923 article
…and 6 more