1. Ubuntu Security Notices
  2. USN-7476-1

USN-7476-1: Scrapy vulnerabilities

Publication date

5 May 2025

Overview

Several security issues were fixed in python-scrapy.

Releases

Packages

  • python-scrapy - Python web scraping and crawling framework (Python 2)

Details

It was discovered that Scrapy improperly exposed HTTP authentication
credentials to request targets, including during redirects. An attacker
could use this issue to gain unauthorized access to user accounts. This
issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2021-41125)

It was discovered that Scrapy did not remove the cookie header during
cross-domain redirects. An attacker could possibly use this issue to gain
unauthorized access to user accounts. This issue only affected Ubuntu 18.04
LTS, Ubuntu 20.04 LTS, and Ubuntu 22.04 LTS. (CVE-2022-0577)

It was discovered that Scrapy inefficiently parsed XML content. An
attacker could use this issue to cause a denial of service by sending a
crafted XML response. This issue only affected Ubuntu 18.04 LTS,
Ubuntu 20.04 LTS, and Ubuntu 22.04 LTS. (

It was discovered that Scrapy improperly exposed HTTP authentication
credentials to request targets, including during redirects. An attacker
could use this issue to gain unauthorized access to user accounts. This
issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2021-41125)

It was discovered that Scrapy did not remove the cookie header during
cross-domain redirects. An attacker could possibly use this issue to gain
unauthorized access to user accounts. This issue only affected Ubuntu 18.04
LTS, Ubuntu 20.04 LTS, and Ubuntu 22.04 LTS. (CVE-2022-0577)

It was discovered that Scrapy inefficiently parsed XML content. An
attacker could use this issue to cause a denial of service by sending a
crafted XML response. This issue only affected Ubuntu 18.04 LTS,
Ubuntu 20.04 LTS, and Ubuntu 22.04 LTS. (CVE-2024-1892)

It was discovered that Scrapy did not properly check response size during
decompression. An attacker could send a crafted response that would
exhaust memory and cause a denial of service. This issue only affected
Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 22.04 LTS. (CVE-2024-3572)

It was discovered that Scrapy did not remove the authorization header
during cross-domain redirects. An attacker could possibly use this issue
to gain unauthorized access to user accounts. This issue only affected
Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 22.04 LTS. (CVE-2024-3574)

It was discovered that Scrapy did not remove the authorization header
during redirects that change scheme but remain in the same domain. This
issue could possibly be used by an attacker to expose sensitive
information or to gain unauthorized access to user accounts.
(CVE-2024-1968)

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
24.04 noble python3-scrapy –  2.11.1-1ubuntu0.1~esm2  
22.04 jammy python3-scrapy –  2.5.1-2ubuntu0.1~esm1  
20.04 focal python3-scrapy –  1.7.3-1ubuntu0.1~esm1  
18.04 bionic python-scrapy –  1.5.0-1ubuntu0.1~esm1  
python3-scrapy –  1.5.0-1ubuntu0.1~esm1  

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References

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