CVE-2025-9300

A vulnerability was found in saitoha libsixel up to 1.10.3. Affected by this issue is the function sixel_debug_print_palette of the file src/encoder.c of the component img2sixel. The manipulation results in stack-based buffer overflow. The attack must be initiated from a local position. The exploit has been made public and could be used. The patch is identified as 316c086e79d66b62c0c4bc66229ee894e4fdb7d1. Applying a patch is advised to resolve this issue.

CVSS v3 5.3 MEDIUM
CVSS v2.0 4.3 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.4

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

4.3^/10

CVSS v2.0 : MEDIUM

Vector : AV:L/AC:L/Au:S/C:P/I:P/A:P

Exploitability : 3.1 / Impact : 6.4

Access Vector LOCAL

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://drive.google.com/file/d/1IIvvRFgUQZcySqeoqXXhsxd0HZCjClJ7/view?usp=sharing	Exploit
https://github.com/saitoha/libsixel/commit/316c086e79d66b62c0c4bc66229ee894e4fdb7d1	Patch
https://github.com/saitoha/libsixel/issues/200	Exploit Issue Tracking
https://github.com/saitoha/libsixel/issues/200#issuecomment-3178785635	Exploit Issue Tracking
https://vuldb.com/?ctiid.320905	Permissions Required VDB Entry
https://vuldb.com/?id.320905	Third Party Advisory VDB Entry
https://vuldb.com/?submit.632366	Exploit Third Party Advisory VDB Entry
https://github.com/saitoha/libsixel/commit/316c086e79d66b62c0c4bc66229ee894e4fdb7d1	Patch
https://github.com/saitoha/libsixel/issues/200	Exploit Issue Tracking
https://github.com/saitoha/libsixel/issues/200#issuecomment-3178785635	Exploit Issue Tracking
https://vuldb.com/?submit.632366	Exploit Third Party Advisory VDB Entry

Configurations

Configuration 1 (hide)

cpe:2.3:a:libsixel_project:libsixel:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2025-08-21 13:15

Updated : 2025-09-12 13:08

NVD link : CVE-2025-9300

Mitre link : CVE-2025-9300

CVE.ORG link : CVE-2025-9300

JSON object : View

Products Affected

libsixel_project

libsixel

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-121

Stack-based Buffer Overflow

CWE-787

Out-of-bounds Write

{"id": "CVE-2025-9300", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Secondary", "source": "[email protected]", "cvssData": {"version": "2.0", "baseScore": 4.3, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:S/C:P/I:P/A:P", "authentication": "SINGLE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 3.1, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Secondary", "source": "[email protected]", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.3, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 3.4, "exploitabilityScore": 1.8}, {"type": "Primary", "source": "[email protected]", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}], "cvssMetricV40": [{"type": "Secondary", "source": "[email protected]", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 4.8, "Automatable": "NOT_DEFINED", "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "valueDensity": "NOT_DEFINED", "vectorString": "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", "exploitMaturity": "PROOF_OF_CONCEPT", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "LOW", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "LOW", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "LOW", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "published": "2025-08-21T13:15:37.873", "references": [{"url": "https://drive.google.com/file/d/1IIvvRFgUQZcySqeoqXXhsxd0HZCjClJ7/view?usp=sharing", "tags": ["Exploit"], "source": "[email protected]"}, {"url": "https://github.com/saitoha/libsixel/commit/316c086e79d66b62c0c4bc66229ee894e4fdb7d1", "tags": ["Patch"], "source": "[email protected]"}, {"url": "https://github.com/saitoha/libsixel/issues/200", "tags": ["Exploit", "Issue Tracking"], "source": "[email protected]"}, {"url": "https://github.com/saitoha/libsixel/issues/200#issuecomment-3178785635", "tags": ["Exploit", "Issue Tracking"], "source": "[email protected]"}, {"url": "https://vuldb.com/?ctiid.320905", "tags": ["Permissions Required", "VDB Entry"], "source": "[email protected]"}, {"url": "https://vuldb.com/?id.320905", "tags": ["Third Party Advisory", "VDB Entry"], "source": "[email protected]"}, {"url": "https://vuldb.com/?submit.632366", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"], "source": "[email protected]"}, {"url": "https://github.com/saitoha/libsixel/commit/316c086e79d66b62c0c4bc66229ee894e4fdb7d1", "tags": ["Patch"], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}, {"url": "https://github.com/saitoha/libsixel/issues/200", "tags": ["Exploit", "Issue Tracking"], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}, {"url": "https://github.com/saitoha/libsixel/issues/200#issuecomment-3178785635", "tags": ["Exploit", "Issue Tracking"], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}, {"url": "https://vuldb.com/?submit.632366", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "[email protected]", "description": [{"lang": "en", "value": "CWE-119"}, {"lang": "en", "value": "CWE-121"}]}, {"type": "Primary", "source": "[email protected]", "description": [{"lang": "en", "value": "CWE-787"}]}], "descriptions": [{"lang": "en", "value": "A vulnerability was found in saitoha libsixel up to 1.10.3. Affected by this issue is the function sixel_debug_print_palette of the file src/encoder.c of the component img2sixel. The manipulation results in stack-based buffer overflow. The attack must be initiated from a local position. The exploit has been made public and could be used. The patch is identified as 316c086e79d66b62c0c4bc66229ee894e4fdb7d1. Applying a patch is advised to resolve this issue."}, {"lang": "es", "value": "Se encontr\u00f3 una vulnerabilidad en saitoha libsixel hasta la versi\u00f3n 1.10.3. Este problema afecta a la funci\u00f3n sixel_debug_print_palette del archivo src/encoder.c del componente img2sixel. La manipulaci\u00f3n provoca un desbordamiento del b\u00fafer en la pila. El ataque debe iniciarse localmente. Se ha hecho p\u00fablico el exploit y puede que sea utilizado. El parche se identifica como 316c086e79d66b62c0c4bc66229ee894e4fdb7d1. Se recomienda aplicar un parche para resolver este problema."}], "lastModified": "2025-09-12T13:08:29.167", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:libsixel_project:libsixel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F4049A12-67EA-4961-9B1A-331D52D04E8D", "versionEndIncluding": "1.10.3"}], "operator": "OR"}]}], "sourceIdentifier": "[email protected]"}