PYSEC-2025-250

See a problem?
Import Source
https://github.com/pypa/advisory-database/blob/main/vulns/llama-index/PYSEC-2025-250.yaml
JSON Data
https://api.osv.dev/v1/vulns/PYSEC-2025-250
Aliases
Published
2025-07-07T10:15:27Z
Modified
2026-07-13T07:26:34Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

An XML Entity Expansion vulnerability, also known as a 'billion laughs' attack, exists in the sitemap parser of the run-llama/llama_index repository, specifically affecting version v0.12.21. This vulnerability allows an attacker to supply a malicious Sitemap XML, leading to a Denial of Service (DoS) by exhausting system memory and potentially causing a system crash. The issue is resolved in version v0.12.29.

References

Affected packages

PyPI / llama-index

Package

Name
llama-index
View open source insights on deps.dev
Purl
pkg:pypi/llama-index

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0.12.21
Fixed
0.12.29

Affected versions

0.*
0.12.21
0.12.22
0.12.23
0.12.24
0.12.25
0.12.26
0.12.27
0.12.28

Database specific

source
"https://github.com/pypa/advisory-database/blob/main/vulns/llama-index/PYSEC-2025-250.yaml"