Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update
Affects Red Hat cpythonSource GCVE Database
Mentioned vulnerabilities
Not known to be exploited · CVSS 5.7 Medium · patch available : update Red Hat cpython when convenient.
Data as of 30 Oct 2026, 11:52 UTC
- EPSS
- 0.5% chance of exploitation in 30 days – higher than 46% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available
CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 10 Apr 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.
- bundesamt-f-r-sicherheit-in-de
- microsoft-security-response-ce
- ghsa-hjxq-7w9q-2jw6
- bit-libpython-2026-1502
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
PyPIcpythonpkg:pypi/cpythonOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
A security update is available for Red Hat Hardened Images RPMs including python3.13 packages. Users should apply the updated RPMs (python3.13-3.13.13-1.1.hum1 and related packages) to remediate these vulnerabilities. For CVE-2026-1502, no effective mitigation other than applying the update is currently available or meets Red Hat's criteria. Users should follow Red Hat's official update instructions at https://images.redhat.com/. There are no vendor advisories indicating that no action is required or that the issue is already mitigated without patching.
Description
This update includes the following RPMs: python3.13: * python3.13-3.13.13-1.1.hum1 (aarch64, x86_64) * python3.13-debug-3.13.13-1.1.hum1 (aarch64, x86_64) * python3.13-devel-3.13.13-1.1.hum1 (aarch64, x86_64) * python3.13-freethreading-3.13.13-1.1.hum1 (aarch64, x86_64) * python3.13-freethreading-debug-3.13.13-1.1.hum1 (aarch64, x86_64) * python3.13-idle-3.13.13-1.1.hum1 (aarch64, x86_64) * python3.13-libs-3.13.13-1.1.hum1 (aarch64, x86_64) * python3.13-test-3.13.13-1.1.hum1 (aarch64, x86_64) * python3.13-tkinter-3.13.13-1.1.hum1 (aarch64, x86_64) * python3.13-3.13.13-1.1.hum1.src (src) Security Fix(es): python3.13: * CVE-2026-1502 * CVE-2026-4786 * CVE-2026-6100
References
- access.redhat.com/errata/RHSA-2026:10117 (opens in a new tab)
- access.redhat.com/security/cve/CVE-2026-1502 (opens in a new tab)
- access.redhat.com/security/cve/CVE-2026-4786 (opens in a new tab)
- access.redhat.com/security/cve/CVE-2026-6100 (opens in a new tab)
- access.redhat.com/security/updates/classification/ (opens in a new tab)
- images.redhat.com (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_10117.json (opens in a new tab)
- github.com/python/cpython/pull/146212 (opens in a new tab)
- github.com/python/cpython/issues/146211 (opens in a new tab)
- mail.python.org/archives/list/security-announce@python.org/thread/2IVPAEQWUJBCTQZEJEVTYCIKSMQPGRZ3/ (opens in a new tab)
- github.com/python/cpython/commit/05ed7ce7ae9e17c23a04085b2539fe6d6d3cef69 (opens in a new tab)
- github.com/python/cpython/commit/b1cf9016335cb637c5a425032e8274a224f4b2ed (opens in a new tab)
- github.com/python/cpython/commit/9e071c9b28c17f347f81b388a003d4eeb3c7a8dd (opens in a new tab)
- github.com/python/cpython/commit/c00c386faa579ad71196d33408644478488e43ec (opens in a new tab)
- github.com/python/cpython/commit/56b7100b04e44ea27989242b176beb8f016b2c53 (opens in a new tab)
- github.com/python/cpython/commit/58703ec1bdd1eb075e8b01a0c427683ce594dd3e (opens in a new tab)
- openwall.com/lists/oss-security/2026/04/11/4 (opens in a new tab)
- nvd.nist.gov/vuln/detail/CVE-2026-1502 (opens in a new tab)
- ubuntu.com/security/CVE-2026-1502 (opens in a new tab)
- cve.org/CVERecord?id=CVE-2026-1502 (opens in a new tab)
- ubuntu.com/security/notices/USN-8509-1 (opens in a new tab)