Debian Bug report logs -
#1054553
python-werkzeug: CVE-2023-46136
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Bug#1054553
; Package src:python-werkzeug
.
(Wed, 25 Oct 2023 19:15:04 GMT) (full text, mbox, link).
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to Salvatore Bonaccorso <carnil@debian.org>
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New Bug report received and forwarded. Copy sent to carnil@debian.org, team@security.debian.org, Debian Python Team <team+python@tracker.debian.org>
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(Wed, 25 Oct 2023 19:15:04 GMT) (full text, mbox, link).
Message #5 received at submit@bugs.debian.org (full text, mbox, reply):
Source: python-werkzeug
Version: 2.2.2-3
Severity: important
Tags: security upstream
X-Debbugs-Cc: carnil@debian.org, Debian Security Team <team@security.debian.org>
Hi,
The following vulnerability was published for python-werkzeug.
CVE-2023-46136[0]:
| Werkzeug is a comprehensive WSGI web application library. If an
| upload of a file that starts with CR or LF and then is followed by
| megabytes of data without these characters: all of these bytes are
| appended chunk by chunk into internal bytearray and lookup for
| boundary is performed on growing buffer. This allows an attacker to
| cause a denial of service by sending crafted multipart data to an
| endpoint that will parse it. The amount of CPU time required can
| block worker processes from handling legitimate requests. This
| vulnerability has been patched in version 3.0.1.
If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.
For further information see:
[0] https://security-tracker.debian.org/tracker/CVE-2023-46136
https://www.cve.org/CVERecord?id=CVE-2023-46136
[1] https://github.com/pallets/werkzeug/security/advisories/GHSA-hrfv-mqp8-q5rw
[2] https://github.com/pallets/werkzeug/commit/b1916c0c083e0be1c9d887ee2f3d696922bfc5c1
Please adjust the affected versions in the BTS as needed.
Regards,
Salvatore
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