CVE-2025-9300

low-risk
Published 2025-08-21

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.

Do I need to act?

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0.04% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.3/10 Medium
LOCAL / LOW complexity

Affected Products (1)

Affected Vendors

Libsixel Project

References (11)

Exploit https://drive.google.com/file/d/1IIvvRFgUQZcySqeoqXXhsxd0HZCjClJ7/view?usp=shari...
Patch https://github.com/saitoha/libsixel/commit/316c086e79d66b62c0c4bc66229ee894e4fdb...
Exploit https://github.com/saitoha/libsixel/issues/200
Exploit https://github.com/saitoha/libsixel/issues/200#issuecomment-3178785635
Permissions Required https://vuldb.com/?ctiid.320905
Third Party Advisory https://vuldb.com/?id.320905
Exploit https://vuldb.com/?submit.632366
Patch https://github.com/saitoha/libsixel/commit/316c086e79d66b62c0c4bc66229ee894e4fdb...
Exploit https://github.com/saitoha/libsixel/issues/200
Exploit https://github.com/saitoha/libsixel/issues/200#issuecomment-3178785635
Exploit https://vuldb.com/?submit.632366
23
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal