Nothings stb Multi-frame GIF File stb_image.h stbi__load_gif_main double free

MITRE NVD CVE.ORG Print: PDF PDF

Summary

CVECVE-2026-5186
StatePUBLISHED
AssignerVulDB
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-03-31 08:15:54 UTC
Updated2026-04-01 14:24:02 UTC
DescriptionA weakness has been identified in Nothings stb up to 2.30. This impacts the function stbi__load_gif_main of the file stb_image.h of the component Multi-frame GIF File Handler. This manipulation causes double free. The attack requires local access. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Risk And Classification

Primary CVSS: v4.0 4.8 MEDIUM from [email protected]

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/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

EPSS: 0.000120000 probability, percentile 0.015960000 (date 2026-04-01)

Problem Types: CWE-119 | CWE-415 | CWE-415 Double Free | CWE-119 Memory Corruption

VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary4.8MEDIUMCVSS: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/C...
4.0CNADECLARED4.8MEDIUMCVSS: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
3.1[email protected]Primary5.3MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
3.1CNADECLARED5.3MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
3.0CNADECLARED5.3MEDIUMCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
2.0[email protected]Secondary4.3AV:L/AC:L/Au:S/C:P/I:P/A:P
2.0CNADECLARED4.3AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR

CVSS v4.0 Breakdown

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

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/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
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low

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

CVSS v3.0 Breakdown

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

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Nothings Stb affected 2.0 Not specified
CNA Nothings Stb affected 2.1 Not specified
CNA Nothings Stb affected 2.2 Not specified
CNA Nothings Stb affected 2.3 Not specified
CNA Nothings Stb affected 2.4 Not specified
CNA Nothings Stb affected 2.5 Not specified
CNA Nothings Stb affected 2.6 Not specified
CNA Nothings Stb affected 2.7 Not specified
CNA Nothings Stb affected 2.8 Not specified
CNA Nothings Stb affected 2.9 Not specified
CNA Nothings Stb affected 2.10 Not specified
CNA Nothings Stb affected 2.11 Not specified
CNA Nothings Stb affected 2.12 Not specified
CNA Nothings Stb affected 2.13 Not specified
CNA Nothings Stb affected 2.14 Not specified
CNA Nothings Stb affected 2.15 Not specified
CNA Nothings Stb affected 2.16 Not specified
CNA Nothings Stb affected 2.17 Not specified
CNA Nothings Stb affected 2.18 Not specified
CNA Nothings Stb affected 2.19 Not specified
CNA Nothings Stb affected 2.20 Not specified
CNA Nothings Stb affected 2.21 Not specified
CNA Nothings Stb affected 2.22 Not specified
CNA Nothings Stb affected 2.23 Not specified
CNA Nothings Stb affected 2.24 Not specified
CNA Nothings Stb affected 2.25 Not specified
CNA Nothings Stb affected 2.26 Not specified
CNA Nothings Stb affected 2.27 Not specified
CNA Nothings Stb affected 2.28 Not specified
CNA Nothings Stb affected 2.29 Not specified
CNA Nothings Stb affected 2.30 Not specified

References

ReferenceSourceLinkTags
vuldb.com/vuln/354254 [email protected] vuldb.com
vuldb.com/vuln/354254/cti [email protected] vuldb.com
vuldb.com/submit/780395 [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: d0razi (VulDB User) (en)

CNA: VulDB (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-03-30T00:00:00.000ZAdvisory disclosed
CNA2026-03-30T02:00:00.000ZVulDB entry created
CNA2026-03-30T21:23:49.000ZVulDB entry last update
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