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CVE-2025-9300

saitoha libsixel img2sixel encoder.c sixel_debug_print_palette stack-based overflow

Published: Aug 21, 2025Updated: Apr 29, 2026 Sources: CVE List NVD BDUCWE-119
5.3MEDIUM
NVD MITRE
EPSS Score
0.2%
Top 87.1%
CISA KEV
Not in KEV
Exploits
4 Known
Remediation
Patch Available

Description

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:LAC:LPR:LUI:NS:UC:LI:LA:L
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:LAvailability
Low
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Weaknesses

CWE-119CWE-121CWE-787

Affected Products

libsixelsaitoha
Library
OSS Libraries / generic-library
Debian GNU/LinuxСообщество свободного программного обеспечения
On-premOS
Operating Systems / linux-distro
Astra Linux Special EditionООО «РусБИТех-Астра»
On-premOS
Operating Systems / linux-distro
LibsixelСообщество свободного программного обеспечения
LibraryLibrary
OSS Libraries / generic-library
saitohaoss-projectOSS Librariesaka libsixel
сообщество свободного программного обеспеченияoss-projectOperating Systemsaka сообщество свободного программного обеспечения, fsf
ооо «русбитех-астра»commercialRUOperating Systemsaka rusbitech-astra

Exploitability

4 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

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Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
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References

https://drive.google.com/file/d/1IIvvRFgUQZcySqeoqXXhsxd0HZCjClJ7/view?usp=sharing
drive.google.com
https://github.com/saitoha/libsixel/commit/316c086e79d66b62c0c4bc66229ee894e4fdb7d1
github.com
https://github.com/saitoha/libsixel/issues/200
github.com
and 10 more references View all →

Timeline

Published
Aug 21, 2025
Last Updated
Apr 29, 2026

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