CVE-2025-13836High· 7.5▾ TwilightWhen reading an HTTP response from a server, if no read amount is specified, the default behavior will be to use Content-Length. This allows a malicious server to cause the client to read large amounts of data into memory, potentially ca…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 41.3 · likelihood 0.3 · exploitation 0
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Exploit-prediction probability, daily snapshots since Sep 3.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Last analysed / modified upstream
1.6%
When reading an HTTP response from a server, if no read amount is specified, the default behavior will be to use Content-Length. This allows a malicious server to cause the client to read large amounts of data into memory, potentially causing OOM or other DoS.
python < 3.10.20python >= 3.11.0, < 3.11.15python >= 3.12.0, < 3.12.13python >= 3.13.0, < 3.13.11python = 3.14.0python = 3.15.0Upgrade past the affected range:
python 3.13.11Connected by shared product, vendor, weakness, or advisory.
CVE-2025-13837Medium· 5.5When loading a plist file, the plistlib module reads data in size specified by the file itself, meaning a malicious file can cause OOM and DoS issues
CVE-2025-6075Medium· 5.5If the value passed to os.path.expandvars() is user-controlled a performance degradation is possible when expanding environment variables.
CVE-2026-54981High· 7.8Inclusion of functionality from untrusted control sphere in Visual Studio Code - Python extension allows an unauthorized attacker to bypass a security feature locally.
CVE-2020-1171High· 8.8A remote code execution vulnerability exists in Visual Studio Code when the Python extension loads configuration files after opening a project
CVE-2026-4519Low· 3.3The webbrowser.open() API would accept leading dashes in the URL which could be handled as command line options for certain web browsers
CVE-2025-13462Low· 3.3The "tarfile" module would still apply normalization of AREGTYPE (\x00) blocks to DIRTYPE, even while processing a multi-block member such as GNUTYPE_LONGNAME or GNUTYPE_LONGLINK