BareBones BBEdit Lasso Language Tokenizer infinite loop

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-82605
StatePUBLISHED
AssignerVulDB
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-31 03:16:42 UTC
Updated2026-08-31 03:16:42 UTC
DescriptionA vulnerability has been found in BareBones BBEdit up to 15.5.5. The affected element is an unknown function of the component Lasso Language Tokenizer. Such manipulation leads to infinite loop. The attack can be executed remotely. Upgrading to version 16.0 is sufficient to fix this issue. The affected component should be upgraded.

Risk And Classification

Primary CVSS: v4.0 5.3 MEDIUM from [email protected]

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/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:X/AU:X/R:X/V:X/RE:X/U:X

Problem Types: CWE-404 | CWE-835 | CWE-835 Infinite Loop | CWE-404 Denial of Service

VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary5.3MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/C...
4.0CNADECLARED5.3MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X
3.1[email protected]Primary4.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
3.1CNADECLARED4.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:X/RL:O/RC:C
3.0CNADECLARED4.3MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:X/RL:O/RC:C
2.0[email protected]Secondary5AV:N/AC:L/Au:N/C:N/I:N/A:P
2.0CNADECLARED5AV:N/AC:L/Au:N/C:N/I:N/A:P/E:ND/RL:OF/RC:C

CVSS v4.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
Passive
Confidentiality
None
Integrity
None
Availability
Low
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/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:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:X/RL:O/RC:C

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA BareBones BBEdit affected 15.5.0 Not specified
CNA BareBones BBEdit affected 15.5.1 Not specified
CNA BareBones BBEdit affected 15.5.2 Not specified
CNA BareBones BBEdit affected 15.5.3 Not specified
CNA BareBones BBEdit affected 15.5.4 Not specified
CNA BareBones BBEdit affected 15.5.5 Not specified
CNA BareBones BBEdit unaffected 16.0 Not specified

References

ReferenceSourceLinkTags
vuldb.com/cve/CVE-2026-82605 [email protected] vuldb.com
www.barebones.com/support/bbedit/notes-16.0.html [email protected] www.barebones.com
vuldb.com/vuln/397107/cti [email protected] vuldb.com
vuldb.com/vuln/397107 [email protected] vuldb.com
www.barebones.com/store/bbedit_upgrades.html [email protected] www.barebones.com
ciphersecuritylabs.com/research/articles/fuzzing-bbedit-language-modules-stack-exhau... [email protected] ciphersecuritylabs.com
vuldb.com/submit/892840 [email protected] vuldb.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: ciphersecuritylabs (VulDB User) (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-08-30T00:00:00.000ZAdvisory disclosed
CNA2026-08-30T02:00:00.000ZVulDB entry created
CNA2026-08-30T09:19:55.000ZVulDB entry last update

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