Name: CVE-2026-15310: Uncontrolled Resource Consumption
Creator: Rapid7
Published: 2026-08-25T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2026-15310, CWE-400, CVSS 2.1, EPSS 0.00513

When decompressing crafted zip files using the bzip/LZMA/Zstandard

compressions, Python could use an attacker-controlled size to

pre-allocate memory, possibly resulting in memory exhaustion.

CVSS Details

CVSS 4.0 Base Score: 2.1 (LOW)
CVSS 4.0 Vector: (CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Alpine Linux	—	Upgrade python3	Oct 2, 2026	Aug 25, 2026
Amazon_linux_2023	—	Upgrade python3.14-debugUpgrade python3.13-tkinterUpgrade python3.12-idleUpgrade python3.11-idleUpgrade python3.13-idleUpgrade python3.12-develUpgrade python3.13-debugsourceUpgrade python3.13-testUpgrade python3.13-develUpgrade python3.14-freethreading-develUpgrade python3.14-freethreadingUpgrade python3.14-freethreading-debugUpgrade python3.13-debugUpgrade python3.11-libsUpgrade python3.11-debuginfoUpgrade python3.14-tkinterUpgrade python3.12-testUpgrade python3.13-freethreading-debugUpgrade python3.14-freethreading-libsUpgrade python3.12-libsUpgrade python3.14-libsUpgrade python3.14-freethreading-tkinterUpgrade python3.11-debugUpgrade python3.12-debugsourceUpgrade python3.12-debuginfoUpgrade python3.11-develUpgrade python3.11-tkinterUpgrade python3.13-freethreadingUpgrade python3.13-debuginfoUpgrade python3.14-testUpgrade python3.14-develUpgrade python3.12-debugUpgrade python3.11Upgrade python3.14Upgrade python3.12-tkinterUpgrade python3.14-freethreading-idleUpgrade python3.14-debugsourceUpgrade python3.11-debugsourceUpgrade python3.14-freethreading-testUpgrade python3.14-debuginfoUpgrade python3.13-libsUpgrade python3.13Upgrade python3.12Upgrade python3.11-testUpgrade python3.14-idle	Oct 28, 2026	Aug 25, 2026
Debian	—	Upgrade python3.11	Oct 12, 2026	Aug 25, 2026
Ibm Aix	—	Apply the fix or workaround for python_advisory22	Oct 21, 2026	Oct 21, 2026

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CVSS Details

Covered by Rapid7

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