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CVE Vulnerability Details :
CVE-2026-8258
PUBLISHED
More InfoOfficial Page
Assigner-VulDB
Assigner Org ID-1af790b2-7ee1-4545-860a-a788eba489b5
View Known Exploited Vulnerability (KEV) details
Published At-11 May, 2026 | 00:45
Updated At-11 May, 2026 | 00:45
Rejected At-
▼CVE Numbering Authority (CNA)
Squirrel sqstdstring.cpp validate_format stack-based overflow

A flaw has been found in Squirrel up to 3.2. Impacted is the function validate_format in the library sqstdlib/sqstdstring.cpp. Executing a manipulation can lead to stack-based buffer overflow. The attack can only be executed locally. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.

Affected Products
Vendor
n/a
Product
Squirrel
Versions
Affected
  • 3.0
  • 3.1
  • 3.2
Problem Types
TypeCWE IDDescription
CWECWE-121Stack-based Buffer Overflow
CWECWE-119Memory Corruption
Type: CWE
CWE ID: CWE-121
Description: Stack-based Buffer Overflow
Type: CWE
CWE ID: CWE-119
Description: Memory Corruption
Metrics
VersionBase scoreBase severityVector
4.04.8MEDIUM
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
3.15.3MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
3.05.3MEDIUM
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
2.04.3N/A
AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR
Version: 4.0
Base score: 4.8
Base severity: MEDIUM
Vector:
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
Version: 3.1
Base score: 5.3
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
Version: 3.0
Base score: 5.3
Base severity: MEDIUM
Vector:
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
Version: 2.0
Base score: 4.3
Base severity: N/A
Vector:
AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
reporter
biniam (VulDB User)
coordinator
VulDB CNA Team
Timeline
EventDate
Advisory disclosed2026-05-10 00:00:00
VulDB entry created2026-05-10 02:00:00
VulDB entry last update2026-05-10 17:05:57
Event: Advisory disclosed
Date: 2026-05-10 00:00:00
Event: VulDB entry created
Date: 2026-05-10 02:00:00
Event: VulDB entry last update
Date: 2026-05-10 17:05:57
Replaced By
Rejected Reason
References
HyperlinkResource
https://vuldb.com/vuln/362555
vdb-entry
technical-description
https://vuldb.com/vuln/362555/cti
signature
permissions-required
https://vuldb.com/submit/809873
third-party-advisory
https://github.com/albertodemichelis/squirrel/issues/325
issue-tracking
https://github.com/biniamf/pocs/tree/main/squirrel-validate_format-memcpy-oob
exploit
Hyperlink: https://vuldb.com/vuln/362555
Resource:
vdb-entry
technical-description
Hyperlink: https://vuldb.com/vuln/362555/cti
Resource:
signature
permissions-required
Hyperlink: https://vuldb.com/submit/809873
Resource:
third-party-advisory
Hyperlink: https://github.com/albertodemichelis/squirrel/issues/325
Resource:
issue-tracking
Hyperlink: https://github.com/biniamf/pocs/tree/main/squirrel-validate_format-memcpy-oob
Resource:
exploit
Details not found