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python: Python: Arbitrary code execution or information disclosure via use-after-free in decompression modules

🗓️ 13 May 2026 02:08:11Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 21 Views

Use-after-free in Python decompressors after MemoryError may enable code execution or data disclosure.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB		CVE-2026-6100
13 Apr 202617:15
–attackerkb
Tenable Nessus		Amazon Linux 2023 : python3.14, python3.14-devel, python3.14-freethreading (ALAS2023-2026-1617)
30 Apr 202600:00
–nessus
Tenable Nessus		Amazon Linux 2023 : python3, python3-devel, python3-idle (ALAS2023-2026-1618)
30 Apr 202600:00
–nessus
Tenable Nessus		Amazon Linux 2023 : python3.12, python3.12-devel, python3.12-idle (ALAS2023-2026-1619)
30 Apr 202600:00
–nessus
Tenable Nessus		Amazon Linux 2023 : python3.11, python3.11-devel, python3.11-idle (ALAS2023-2026-1620)
30 Apr 202600:00
–nessus
Tenable Nessus		Amazon Linux 2023 : python3.13, python3.13-devel, python3.13-freethreading (ALAS2023-2026-1638)
20 May 202600:00
–nessus
Tenable Nessus		Amazon Linux 2 : python, --advisory ALAS2-2026-3280 (ALAS-2026-3280)
14 May 202600:00
–nessus
Tenable Nessus		Amazon Linux 2 : python3, --advisory ALAS2-2026-3281 (ALAS-2026-3281)
14 May 202600:00
–nessus
Tenable Nessus		Alibaba Cloud Linux 3 : 0112: python3.11 (ALINUX3-SA-2026:0112)
18 May 202600:00
–nessus
Tenable Nessus		Alibaba Cloud Linux 3 : 0113: python3 (ALINUX3-SA-2026:0113)
18 May 202600:00
–nessus
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux10.0anypython-unversioned-command0:3.12.9-2.el10_0.9.noarchpython-unversioned-command-0:3.12.9-2.el10_0.9.noarch.noarch.rpm
Red Hat Enterprise Linux10.0aarch64python30:3.12.9-2.el10_0.9python3-0:3.12.9-2.el10_0.9.aarch64.rpm
Red Hat Enterprise Linux10.0ppc64lepython30:3.12.9-2.el10_0.9python3-0:3.12.9-2.el10_0.9.ppc64le.rpm
Red Hat Enterprise Linux10.0s390xpython30:3.12.9-2.el10_0.9python3-0:3.12.9-2.el10_0.9.s390x.rpm
Red Hat Enterprise Linux10.0x86_64python30:3.12.9-2.el10_0.9python3-0:3.12.9-2.el10_0.9.x86_64.rpm
Red Hat Enterprise Linux10.0aarch64python3-debug0:3.12.9-2.el10_0.9python3-debug-0:3.12.9-2.el10_0.9.aarch64.rpm
Red Hat Enterprise Linux10.0ppc64lepython3-debug0:3.12.9-2.el10_0.9python3-debug-0:3.12.9-2.el10_0.9.ppc64le.rpm
Red Hat Enterprise Linux10.0s390xpython3-debug0:3.12.9-2.el10_0.9python3-debug-0:3.12.9-2.el10_0.9.s390x.rpm
Red Hat Enterprise Linux10.0x86_64python3-debug0:3.12.9-2.el10_0.9python3-debug-0:3.12.9-2.el10_0.9.x86_64.rpm
Red Hat Enterprise Linux10.0aarch64python3-devel0:3.12.9-2.el10_0.9python3-devel-0:3.12.9-2.el10_0.9.aarch64.rpm
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06 Jul 2026 05:48Current
7.7High risk
Vulners AI Score7.7
CVSS 3.18.1
CVSS 49.1
EPSS0.00579
SSVC
CWE-825
pythondecompressionmemory erroruse after freearbitrary code executiondata disclosurelzmabz2gzip
21