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CVE-2025-64508

Bugsink vulnerable to unauthenticated remote DoS via crafted Brotli input

Published: Nov 10, 2025Updated: Nov 12, 2025 Sources: CVE List NVD GHSACWE-770
NVD MITRE
7.5CVSSHIGH
EPSS Score
0.4%
Top 67.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

Bugsink is vulnerable to unauthenticated remote DoS via crafted Brotli input

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-770

Affected Products

bugsinkPyPIOSS Libraries
bugsinkbugsink
On-prem
Enterprise Software / itsm-monitoring
pypipackage-ecosystemOSS Libraries
bugsinkoss-projectEnterprise Software

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Impact
View detailed technique mapping

References

https://github.com/bugsink/bugsink/security/advisories/GHSA-fc2v-vcwj-269v
github.com
https://nvd.nist.gov/vuln/detail/CVE-2025-64508
nvd.nist.gov
https://github.com/google/brotli/issues/1327
github.com
and 7 more references View all →

Timeline

Published
Nov 10, 2025
Last Updated
Nov 12, 2025

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