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Vulnerability Details :

CVE-2026-24811

Summary
Assigner-GovTech CSG
Assigner Org ID-1a37b84a-8e51-4525-b3d6-87e2fae01dbd
Published At-27 Jan, 2026 | 08:47
Updated At-27 Jan, 2026 | 14:52
Rejected At-
Credits

An improper pointer arithmetic in root-project/root at builtins/zlib/inffast.c

Vulnerability in root-project root (builtins/zlib modules). This vulnerability is associated with program files inffast.C. This issue affects root.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:GovTech CSG
Assigner Org ID:1a37b84a-8e51-4525-b3d6-87e2fae01dbd
Published At:27 Jan, 2026 | 08:47
Updated At:27 Jan, 2026 | 14:52
Rejected At:
▼CVE Numbering Authority (CNA)
An improper pointer arithmetic in root-project/root at builtins/zlib/inffast.c

Vulnerability in root-project root (builtins/zlib modules). This vulnerability is associated with program files inffast.C. This issue affects root.

Affected Products
Vendor
root-project
Product
root
Collection URL
https://github.com/root-project/root
Modules
  • builtins/zlib
Program Files
  • inffast.c
Default Status
affected
Versions
Affected
  • From 0 through 6.36.00-rc1 (git)
Metrics
VersionBase scoreBase severityVector
4.09.3CRITICAL
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:H/SC:L/SI:H/SA:H/S:N/AU:Y/R:U/V:D/RE:M/U:Amber
Version: 4.0
Base score: 9.3
Base severity: CRITICAL
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:H/SC:L/SI:H/SA:H/S:N/AU:Y/R:U/V:D/RE:M/U:Amber
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
reporter
TITAN Team (titancaproject@gmail.com)
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://github.com/root-project/root/pull/18526
patch
Hyperlink: https://github.com/root-project/root/pull/18526
Resource:
patch
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Problem Types
TypeCWE IDDescription
CWECWE-119CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
CWECWE-125CWE-125 Out-of-bounds Read
CWECWE-787CWE-787 Out-of-bounds Write
CWECWE-20CWE-20 Improper Input Validation
Type: CWE
CWE ID: CWE-119
Description: CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
Type: CWE
CWE ID: CWE-125
Description: CWE-125 Out-of-bounds Read
Type: CWE
CWE ID: CWE-787
Description: CWE-787 Out-of-bounds Write
Type: CWE
CWE ID: CWE-20
Description: CWE-20 Improper Input Validation
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:cve_disclosure@tech.gov.sg
Published At:27 Jan, 2026 | 09:15
Updated At:27 Jan, 2026 | 15:15

Vulnerability in root-project root (builtins/zlib modules). This vulnerability is associated with program files inffast.C. This issue affects root.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.09.3CRITICAL
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:H/SC:L/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:N/AU:Y/R:U/V:D/RE:M/U:Amber
Type: Secondary
Version: 4.0
Base score: 9.3
Base severity: CRITICAL
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:H/SC:L/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:N/AU:Y/R:U/V:D/RE:M/U:Amber
CPE Matches
Weaknesses
CWE IDTypeSource
CWE-20Secondary134c704f-9b21-4f2e-91b3-4a467353bcc0
CWE-119Secondary134c704f-9b21-4f2e-91b3-4a467353bcc0
CWE-125Secondary134c704f-9b21-4f2e-91b3-4a467353bcc0
CWE-787Secondary134c704f-9b21-4f2e-91b3-4a467353bcc0
CWE ID: CWE-20
Type: Secondary
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
CWE ID: CWE-119
Type: Secondary
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
CWE ID: CWE-125
Type: Secondary
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
CWE ID: CWE-787
Type: Secondary
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://github.com/root-project/root/pull/18526cve_disclosure@tech.gov.sg
N/A
Hyperlink: https://github.com/root-project/root/pull/18526
Source: cve_disclosure@tech.gov.sg
Resource: N/A

Change History

0
Information is not available yet

Similar CVEs

1Records found
CVE-2026-24812
Matching Score-8
Assigner-Government Technology Agency of Singapore Cyber Security Group (GovTech CSG)
ShareView Details
Matching Score-8
Assigner-Government Technology Agency of Singapore Cyber Security Group (GovTech CSG)
CVSS Score-9.3||CRITICAL
EPSS-0.06% / 17.20%
||
7 Day CHG~0.00%
Published-27 Jan, 2026 | 08:48
Updated-27 Jan, 2026 | 20:43
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
An improper pointer arithmetic in root-project/root at builtins/zlib/inftrees.c

Vulnerability in root-project root (builtins/zlib modules). This vulnerability is associated with program files inftrees.C. This issue affects root: through 6.36.00-rc1.

Action-Not Available
Vendor-root-project
Product-root
Details not found