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129 vulnerabilities found for libsixel by libsixel_project
CVE-2025-61146 (GCVE-0-2025-61146)
Vulnerability from nvd – Published: 2026-02-23 00:00 – Updated: 2026-02-23 20:45
VLAI?
Summary
saitoha libsixel until v1.8.7 was discovered to contain a memory leak via the component malloc_stub.c.
Severity ?
4 (Medium)
CWE
- n/a
Assigner
References
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CVE-2025-9300 (GCVE-0-2025-9300)
Vulnerability from nvd – Published: 2025-08-21 13:02 – Updated: 2025-08-21 14:46
VLAI?
Title
saitoha libsixel img2sixel encoder.c sixel_debug_print_palette stack-based overflow
Summary
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.
Severity ?
Assigner
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
Credits
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CVE-2022-29978 (GCVE-0-2022-29978)
Vulnerability from nvd – Published: 2022-05-11 13:12 – Updated: 2024-08-03 06:40
VLAI?
Summary
There is a floating point exception error in sixel_encoder_do_resize, encoder.c:633 in libsixel img2sixel 1.8.6. Remote attackers could leverage this vulnerability to cause a denial-of-service via a crafted JPEG file.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
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CVE-2022-29977 (GCVE-0-2022-29977)
Vulnerability from nvd – Published: 2022-05-11 13:10 – Updated: 2024-08-03 06:40
VLAI?
Summary
There is an assertion failure error in stbi__jpeg_huff_decode, stb_image.h:1894 in libsixel img2sixel 1.8.6. Remote attackers could leverage this vulnerability to cause a denial-of-service via a crafted JPEG file.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
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CVE-2021-40656 (GCVE-0-2021-40656)
Vulnerability from nvd – Published: 2022-04-08 15:09 – Updated: 2024-08-04 02:51
VLAI?
Summary
libsixel before 1.10 is vulnerable to Buffer Overflow in libsixel/src/quant.c:867.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
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CVE-2022-27046 (GCVE-0-2022-27046)
Vulnerability from nvd – Published: 2022-04-08 14:51 – Updated: 2024-08-03 05:18
VLAI?
Summary
libsixel 1.8.6 suffers from a Heap Use After Free vulnerability in in libsixel/src/dither.c:388.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
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CVE-2022-27044 (GCVE-0-2022-27044)
Vulnerability from nvd – Published: 2022-04-08 14:58 – Updated: 2024-08-03 05:18
VLAI?
Summary
libsixel 1.8.6 is affected by Buffer Overflow in libsixel/src/quant.c:876.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
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CVE-2021-41715 (GCVE-0-2021-41715)
Vulnerability from nvd – Published: 2022-04-08 14:55 – Updated: 2024-08-04 03:15
VLAI?
Summary
libsixel 1.10.0 is vulnerable to Use after free in libsixel/src/dither.c:379.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
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CVE-2022-27938 (GCVE-0-2022-27938)
Vulnerability from nvd – Published: 2022-03-26 12:49 – Updated: 2024-08-03 05:41
VLAI?
Summary
stb_image.h (aka the stb image loader) 2.19, as used in libsixel and other products, has a reachable assertion in stbi__create_png_image_raw.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
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CVE-2020-36123 (GCVE-0-2020-36123)
Vulnerability from nvd – Published: – Updated: 2024-05-02 21:49
VLAI?
DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate was withdrawn by its CNA. Further investigation showed that it was not a security issue. Notes: none.
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CVE-2021-46700 (GCVE-0-2021-46700)
Vulnerability from nvd – Published: 2022-02-19 18:22 – Updated: 2024-08-04 05:17
VLAI?
Summary
In libsixel 1.8.6, sixel_encoder_output_without_macro (called from sixel_encoder_encode_frame in encoder.c) has a double free.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
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CVE-2025-61146 (GCVE-0-2025-61146)
Vulnerability from cvelistv5 – Published: 2026-02-23 00:00 – Updated: 2026-02-23 20:45
VLAI?
Summary
saitoha libsixel until v1.8.7 was discovered to contain a memory leak via the component malloc_stub.c.
Severity ?
4 (Medium)
CWE
- n/a
Assigner
References
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CVE-2025-9300 (GCVE-0-2025-9300)
Vulnerability from cvelistv5 – Published: 2025-08-21 13:02 – Updated: 2025-08-21 14:46
VLAI?
Title
saitoha libsixel img2sixel encoder.c sixel_debug_print_palette stack-based overflow
Summary
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.
Severity ?
Assigner
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
Credits
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CVE-2022-29978 (GCVE-0-2022-29978)
Vulnerability from cvelistv5 – Published: 2022-05-11 13:12 – Updated: 2024-08-03 06:40
VLAI?
Summary
There is a floating point exception error in sixel_encoder_do_resize, encoder.c:633 in libsixel img2sixel 1.8.6. Remote attackers could leverage this vulnerability to cause a denial-of-service via a crafted JPEG file.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
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CVE-2022-29977 (GCVE-0-2022-29977)
Vulnerability from cvelistv5 – Published: 2022-05-11 13:10 – Updated: 2024-08-03 06:40
VLAI?
Summary
There is an assertion failure error in stbi__jpeg_huff_decode, stb_image.h:1894 in libsixel img2sixel 1.8.6. Remote attackers could leverage this vulnerability to cause a denial-of-service via a crafted JPEG file.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
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CVE-2021-40656 (GCVE-0-2021-40656)
Vulnerability from cvelistv5 – Published: 2022-04-08 15:09 – Updated: 2024-08-04 02:51
VLAI?
Summary
libsixel before 1.10 is vulnerable to Buffer Overflow in libsixel/src/quant.c:867.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
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CVE-2022-27044 (GCVE-0-2022-27044)
Vulnerability from cvelistv5 – Published: 2022-04-08 14:58 – Updated: 2024-08-03 05:18
VLAI?
Summary
libsixel 1.8.6 is affected by Buffer Overflow in libsixel/src/quant.c:876.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
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CVE-2021-41715 (GCVE-0-2021-41715)
Vulnerability from cvelistv5 – Published: 2022-04-08 14:55 – Updated: 2024-08-04 03:15
VLAI?
Summary
libsixel 1.10.0 is vulnerable to Use after free in libsixel/src/dither.c:379.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
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CVE-2022-27046 (GCVE-0-2022-27046)
Vulnerability from cvelistv5 – Published: 2022-04-08 14:51 – Updated: 2024-08-03 05:18
VLAI?
Summary
libsixel 1.8.6 suffers from a Heap Use After Free vulnerability in in libsixel/src/dither.c:388.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
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CVE-2022-27938 (GCVE-0-2022-27938)
Vulnerability from cvelistv5 – Published: 2022-03-26 12:49 – Updated: 2024-08-03 05:41
VLAI?
Summary
stb_image.h (aka the stb image loader) 2.19, as used in libsixel and other products, has a reachable assertion in stbi__create_png_image_raw.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
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CVE-2021-46700 (GCVE-0-2021-46700)
Vulnerability from cvelistv5 – Published: 2022-02-19 18:22 – Updated: 2024-08-04 05:17
VLAI?
Summary
In libsixel 1.8.6, sixel_encoder_output_without_macro (called from sixel_encoder_encode_frame in encoder.c) has a double free.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
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FKIE_CVE-2025-9300
Vulnerability from fkie_nvd - Published: 2025-08-21 13:15 - Updated: 2026-04-29 01:00
Severity ?
5.3 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
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.
References
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FKIE_CVE-2022-29978
Vulnerability from fkie_nvd - Published: 2022-05-11 14:15 - Updated: 2026-04-24 12:56
Severity ?
Summary
There is a floating point exception error in sixel_encoder_do_resize, encoder.c:633 in libsixel img2sixel 1.8.6. Remote attackers could leverage this vulnerability to cause a denial-of-service via a crafted JPEG file.
References
| URL | Tags | ||
|---|---|---|---|
| cve@mitre.org | https://github.com/saitoha/libsixel/issues/166 | Exploit, Issue Tracking, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://github.com/saitoha/libsixel/issues/166 | Exploit, Issue Tracking, Third Party Advisory |
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FKIE_CVE-2022-29977
Vulnerability from fkie_nvd - Published: 2022-05-11 14:15 - Updated: 2026-04-24 12:56
Severity ?
Summary
There is an assertion failure error in stbi__jpeg_huff_decode, stb_image.h:1894 in libsixel img2sixel 1.8.6. Remote attackers could leverage this vulnerability to cause a denial-of-service via a crafted JPEG file.
References
| URL | Tags | ||
|---|---|---|---|
| cve@mitre.org | https://github.com/saitoha/libsixel/issues/165 | Exploit, Issue Tracking, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://github.com/saitoha/libsixel/issues/165 | Exploit, Issue Tracking, Third Party Advisory |
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FKIE_CVE-2021-40656
Vulnerability from fkie_nvd - Published: 2022-04-08 16:15 - Updated: 2026-04-24 13:34
Severity ?
Summary
libsixel before 1.10 is vulnerable to Buffer Overflow in libsixel/src/quant.c:867.
References
| URL | Tags | ||
|---|---|---|---|
| cve@mitre.org | https://github.com/libsixel/libsixel/issues/25 | Exploit, Issue Tracking, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://github.com/libsixel/libsixel/issues/25 | Exploit, Issue Tracking, Third Party Advisory |
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FKIE_CVE-2021-41715
Vulnerability from fkie_nvd - Published: 2022-04-08 15:15 - Updated: 2026-04-23 15:16
Severity ?
Summary
libsixel 1.10.0 is vulnerable to Use after free in libsixel/src/dither.c:379.
References
| URL | Tags | ||
|---|---|---|---|
| cve@mitre.org | https://github.com/libsixel/libsixel/issues/27 | Exploit, Issue Tracking, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://github.com/libsixel/libsixel/issues/27 | Exploit, Issue Tracking, Third Party Advisory |
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FKIE_CVE-2022-27046
Vulnerability from fkie_nvd - Published: 2022-04-08 15:15 - Updated: 2026-04-24 12:56
Severity ?
Summary
libsixel 1.8.6 suffers from a Heap Use After Free vulnerability in in libsixel/src/dither.c:388.
References
| URL | Tags | ||
|---|---|---|---|
| cve@mitre.org | https://github.com/saitoha/libsixel/issues/157 | Exploit, Issue Tracking, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://github.com/saitoha/libsixel/issues/157 | Exploit, Issue Tracking, Third Party Advisory |
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FKIE_CVE-2022-27044
Vulnerability from fkie_nvd - Published: 2022-04-08 15:15 - Updated: 2026-04-24 12:56
Severity ?
Summary
libsixel 1.8.6 is affected by Buffer Overflow in libsixel/src/quant.c:876.
References
| URL | Tags | ||
|---|---|---|---|
| cve@mitre.org | https://github.com/saitoha/libsixel/issues/156 | Exploit, Issue Tracking, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://github.com/saitoha/libsixel/issues/156 | Exploit, Issue Tracking, Third Party Advisory |
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FKIE_CVE-2022-27938
Vulnerability from fkie_nvd - Published: 2022-03-26 13:15 - Updated: 2026-04-24 14:12
Severity ?
Summary
stb_image.h (aka the stb image loader) 2.19, as used in libsixel and other products, has a reachable assertion in stbi__create_png_image_raw.
References
| URL | Tags | ||
|---|---|---|---|
| cve@mitre.org | https://github.com/saitoha/libsixel/issues/163 | Exploit, Issue Tracking, Patch, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://github.com/saitoha/libsixel/issues/163 | Exploit, Issue Tracking, Patch, Third Party Advisory |
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FKIE_CVE-2021-46700
Vulnerability from fkie_nvd - Published: 2022-02-19 19:15 - Updated: 2026-04-24 12:56
Severity ?
Summary
In libsixel 1.8.6, sixel_encoder_output_without_macro (called from sixel_encoder_encode_frame in encoder.c) has a double free.
References
| URL | Tags | ||
|---|---|---|---|
| cve@mitre.org | https://github.com/saitoha/libsixel/issues/158 | Exploit, Issue Tracking, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://github.com/saitoha/libsixel/issues/158 | Exploit, Issue Tracking, Third Party Advisory |
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