Bug 2411735

Summary:	CVE-2025-6176 python-scrapy: Brotli decompression bomb DoS in scrapy/scrapy [fedora-43]
Product:	[Fedora] Fedora	Reporter:	Sandipan Roy <saroy>
Component:	python-scrapy	Assignee:	Eduardo Echeverria <echevemaster>
Status:	CLOSED ERRATA	QA Contact:	Fedora Extras Quality Assurance <extras-qa>
Severity:	high	Docs Contact:
Priority:	high
Version:	43	CC:	code, echevemaster, rosset.filipe
Target Milestone:	---	Keywords:	Security, SecurityTracking
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:	{"flaws": ["5111d55a-92f4-40bf-87ee-f3e59425df94"]}
Fixed In Version:	python-scrapy-2.13.4-1.fc43 python-scrapy-2.14.2-1.fc44	Doc Type:	---
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2026-06-13 20:32:15 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:	2368928
Bug Blocks:	2408762

Description Sandipan Roy 2025-11-01 14:12:48 UTC

Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.

The following link provides references to all essential vulnerability management information. If something is wrong or missing, please contact a member of PSIRT.
https://spaces.redhat.com/display/PRODSEC/Vulnerability+Management+-+Essential+Documents+for+Engineering+Teams

Comment 1 Ben Beasley 2025-12-10 12:36:40 UTC

Updating brotli to 1.2.0 will expose the Python APIs necessary to mitigate this in scrapy. The actual fix will then be updating python-scrapy to 2.13.4, https://docs.scrapy.org/en/latest/news.html#scrapy-2-13-4-2025-11-17.

Comment 2 Filipe Rosset 2026-06-13 20:32:15 UTC

https://koji.fedoraproject.org/koji/buildinfo?buildID=3017442

Comment 3 Fedora Update System 2026-06-13 20:33:30 UTC

FEDORA-2026-9a7f59fa7c (python-scrapy-2.13.4-1.fc43) has been submitted as an update to Fedora 43.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-9a7f59fa7c

Comment 4 Fedora Update System 2026-06-13 20:33:31 UTC

FEDORA-2026-bdf3581452 (python-scrapy-2.14.2-1.fc44) has been submitted as an update to Fedora 44.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-bdf3581452

Comment 5 Fedora Update System 2026-06-15 01:26:29 UTC

FEDORA-2026-bdf3581452 has been pushed to the Fedora 44 testing repository.
Soon you'll be able to install the update with the following command:
`sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-bdf3581452`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-bdf3581452

See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.

Comment 6 Fedora Update System 2026-06-15 01:46:52 UTC

FEDORA-2026-9a7f59fa7c has been pushed to the Fedora 43 testing repository.
Soon you'll be able to install the update with the following command:
`sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-9a7f59fa7c`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-9a7f59fa7c

See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.

Comment 7 Fedora Update System 2026-06-23 00:53:15 UTC

FEDORA-2026-9a7f59fa7c (python-scrapy-2.13.4-1.fc43) has been pushed to the Fedora 43 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 8 Fedora Update System 2026-06-23 01:07:41 UTC

FEDORA-2026-bdf3581452 (python-scrapy-2.14.2-1.fc44) has been pushed to the Fedora 44 stable repository.
If problem still persists, please make note of it in this bug report.