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CVE Vulnerability Details :
CVE-2025-6998
PUBLISHED
More InfoOfficial Page
Assigner-Fluid Attacks
Assigner Org ID-84fe0718-d6bb-4716-a7e8-81a6d1daa869
View Known Exploited Vulnerability (KEV) details
Published At-24 Jul, 2025 | 19:39
Updated At-25 Jul, 2025 | 13:17
Rejected At-
▼CVE Numbering Authority (CNA)
Calibre Web 0.6.24 & Autocaliweb 0.7.0 - ReDoS

ReDoS in strip_whitespaces() function in cps/string_helper.py in Calibre Web and Autocaliweb allows unauthenticated remote attackers to cause denial of service via specially crafted username parameter that triggers catastrophic backtracking during login. This issue affects Calibre Web: 0.6.24 (Nicolette); Autocaliweb: from 0.7.0 before 0.7.1.

Affected Products
Vendor
Calibre Web
Product
Calibre Web
Platforms
  • Linux
Default Status
unaffected
Versions
Affected
  • 0.6.24 (custom)
Vendor
Autocaliweb
Product
Autocaliweb
Platforms
  • Linux
Default Status
unaffected
Versions
Affected
  • From 0.7.0 before 0.7.1 (custom)
Problem Types
TypeCWE IDDescription
CWECWE-1333CWE-1333 Inefficient Regular Expression Complexity
Type: CWE
CWE ID: CWE-1333
Description: CWE-1333 Inefficient Regular Expression Complexity
Metrics
VersionBase scoreBase severityVector
4.08.7HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Version: 4.0
Base score: 8.7
Base severity: HIGH
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Metrics Other Info
Impacts
CAPEC IDDescription
CAPEC-492CAPEC-492 Regular Expression Exponential Blowup
CAPEC ID: CAPEC-492
Description: CAPEC-492 Regular Expression Exponential Blowup
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://fluidattacks.com/advisories/megadeth
third-party-advisory
https://github.com/janeczku/calibre-web
product
https://github.com/gelbphoenix/autocaliweb
product
Hyperlink: https://fluidattacks.com/advisories/megadeth
Resource:
third-party-advisory
Hyperlink: https://github.com/janeczku/calibre-web
Resource:
product
Hyperlink: https://github.com/gelbphoenix/autocaliweb
Resource:
product
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found