Bug 2166457 (CVE-2023-23969)

Summary:	CVE-2023-23969 python-django: Potential denial-of-service via Accept-Language headers
Product:	[Other] Security Response	Reporter:	Anten Skrabec <askrabec>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	adudiak, amctagga, aoconnor, apevec, bbuckingham, bcoca, bcourt, bniver, btotty, cwelton, davidn, eglynn, ehelms, epacific, flucifre, gmeno, gtanzill, jcammara, jhardy, jjoyce, jneedle, jobarker, jsherril, kshier, lhh, lzap, mabashia, mbenjamin, mburns, mgarciac, mhackett, mhulan, mminar, nmoumoul, orabin, osapryki, pcreech, rbiba, rchan, rhos-maint, simaishi, smcdonal, sostapov, spower, sskracic, stcannon, teagle, tfister, vereddy, yguenane, zsadeh
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	python-django 4.1.6, python-django 4.0.9, python-django 3.2.17	Doc Type:	---
Doc Text:	A flaw was found in python-django. The parsed values of the Accept-Language headers are cached in order to avoid repetitive parsing. This leads to a potential denial of service vector via excessive memory usage if large header values are sent.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2023-05-03 23:15:28 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	2167738, 2167739, 2167740, 2167741, 2168510, 2168511, 2168512, 2168513
Bug Blocks:	2166455

Description Anten Skrabec 2023-02-01 21:07:54 UTC

The parsed values of Accept-Language headers are cached in order to avoid repetitive parsing. This leads to a potential denial-of-service vector via excessive memory usage if large header values are sent.

Comment 7 errata-xmlrpc 2023-05-03 13:20:24 UTC

This issue has been addressed in the following products:

  Red Hat Satellite 6.13 for RHEL 8

Via RHSA-2023:2097 https://access.redhat.com/errata/RHSA-2023:2097

Comment 8 errata-xmlrpc 2023-05-03 14:55:58 UTC

This issue has been addressed in the following products:

  RHUI 4 for RHEL 8

Via RHSA-2023:2101 https://access.redhat.com/errata/RHSA-2023:2101

Comment 9 Product Security DevOps Team 2023-05-03 23:15:25 UTC

This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2023-23969