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43 vulnerabilities by libsixel_project
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
xdcao (VulDB User)
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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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CVE-2021-45340 (GCVE-0-2021-45340)
Vulnerability from cvelistv5 – Published: 2022-01-25 11:36 – Updated: 2024-08-04 04:39
VLAI?
Summary
In Libsixel prior to and including v1.10.3, a NULL pointer dereference in the stb_image.h component of libsixel allows attackers to cause a denial of service (DOS) via a crafted PICT file.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
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CVE-2020-21548 (GCVE-0-2020-21548)
Vulnerability from cvelistv5 – Published: 2021-09-17 20:34 – Updated: 2024-08-04 14:30
VLAI?
Summary
Libsixel 1.8.3 contains a heap-based buffer overflow in the sixel_encode_highcolor function in tosixel.c.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
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CVE-2020-21547 (GCVE-0-2020-21547)
Vulnerability from cvelistv5 – Published: 2021-09-17 20:34 – Updated: 2024-08-04 14:30
VLAI?
Summary
Libsixel 1.8.2 contains a heap-based buffer overflow in the dither_func_fs function in tosixel.c.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
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|---|---|---|---|---|---|
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CVE-2020-21050 (GCVE-0-2020-21050)
Vulnerability from cvelistv5 – Published: 2021-09-14 15:09 – Updated: 2024-08-04 14:22
VLAI?
Summary
Libsixel prior to v1.8.3 contains a stack buffer overflow in the function gif_process_raster at fromgif.c.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
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CVE-2020-21049 (GCVE-0-2020-21049)
Vulnerability from cvelistv5 – Published: 2021-09-14 15:09 – Updated: 2024-08-04 14:22
VLAI?
Summary
An invalid read in the stb_image.h component of libsixel prior to v1.8.5 allows attackers to cause a denial of service (DOS) via a crafted PSD file.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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CVE-2020-21048 (GCVE-0-2020-21048)
Vulnerability from cvelistv5 – Published: 2021-09-14 15:09 – Updated: 2024-08-04 14:22
VLAI?
Summary
An issue in the dither.c component of libsixel prior to v1.8.4 allows attackers to cause a denial of service (DOS) via a crafted PNG file.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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CVE-2020-21677 (GCVE-0-2020-21677)
Vulnerability from cvelistv5 – Published: 2021-08-10 20:19 – Updated: 2024-08-04 14:30
VLAI?
Summary
A heap-based buffer overflow in the sixel_encoder_output_without_macro function in encoder.c of Libsixel 1.8.4 allows attackers to cause a denial of service (DOS) via converting a crafted PNG file into Sixel format.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
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CVE-2020-36120 (GCVE-0-2020-36120)
Vulnerability from cvelistv5 – Published: 2021-04-14 13:50 – Updated: 2024-08-04 17:16
VLAI?
Summary
Buffer Overflow in the "sixel_encoder_encode_bytes" function of Libsixel v1.8.6 allows attackers to cause a Denial of Service (DoS).
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
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CVE-2020-19668 (GCVE-0-2020-19668)
Vulnerability from cvelistv5 – Published: 2020-11-20 15:39 – Updated: 2024-08-04 14:15
VLAI?
Summary
Unverified indexs into the array lead to out of bound access in the gif_out_code function in fromgif.c in libsixel 1.8.6.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
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CVE-2020-11721 (GCVE-0-2020-11721)
Vulnerability from cvelistv5 – Published: 2020-04-12 18:39 – Updated: 2024-08-04 11:42
VLAI?
Summary
load_png in loader.c in libsixel.a in libsixel 1.8.6 has an uninitialized pointer leading to an invalid call to free, which can cause a denial of service.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
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CVE-2019-20205 (GCVE-0-2019-20205)
Vulnerability from cvelistv5 – Published: 2020-01-01 22:30 – Updated: 2024-08-05 02:39
VLAI?
Summary
libsixel 1.8.4 has an integer overflow in sixel_frame_resize in frame.c.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
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CVE-2019-20140 (GCVE-0-2019-20140)
Vulnerability from cvelistv5 – Published: 2019-12-30 16:35 – Updated: 2024-08-05 02:39
VLAI?
Summary
An issue was discovered in libsixel 1.8.4. There is a heap-based buffer overflow in the function gif_out_code at fromgif.c.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
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CVE-2019-20094 (GCVE-0-2019-20094)
Vulnerability from cvelistv5 – Published: 2019-12-30 03:47 – Updated: 2024-08-05 02:32
VLAI?
Summary
An issue was discovered in libsixel 1.8.4. There is a heap-based buffer overflow in the function gif_init_frame at fromgif.c.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
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CVE-2019-20022 (GCVE-0-2019-20022)
Vulnerability from cvelistv5 – Published: 2019-12-27 01:11 – Updated: 2024-08-05 02:32
VLAI?
Summary
An invalid memory address dereference was discovered in load_pnm in frompnm.c in libsixel before 1.8.3.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
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CVE-2019-20024 (GCVE-0-2019-20024)
Vulnerability from cvelistv5 – Published: 2019-12-27 01:10 – Updated: 2024-08-05 02:32
VLAI?
Summary
A heap-based buffer overflow was discovered in image_buffer_resize in fromsixel.c in libsixel before 1.8.4.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
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CVE-2019-20023 (GCVE-0-2019-20023)
Vulnerability from cvelistv5 – Published: 2019-12-27 01:10 – Updated: 2024-08-05 02:32
VLAI?
Summary
A memory leak was discovered in image_buffer_resize in fromsixel.c in libsixel 1.8.4.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
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CVE-2019-19778 (GCVE-0-2019-19778)
Vulnerability from cvelistv5 – Published: 2019-12-13 01:06 – Updated: 2024-08-05 02:25
VLAI?
Summary
An issue was discovered in libsixel 1.8.2. There is a heap-based buffer over-read in the function load_sixel at loader.c.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
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CVE-2019-19777 (GCVE-0-2019-19777)
Vulnerability from cvelistv5 – Published: 2019-12-13 01:05 – Updated: 2024-08-05 02:25
VLAI?
Summary
stb_image.h (aka the stb image loader) 2.23, as used in libsixel and other products, has a heap-based buffer over-read in stbi__load_main.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
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CVE-2019-19636 (GCVE-0-2019-19636)
Vulnerability from cvelistv5 – Published: 2019-12-08 03:00 – Updated: 2024-08-05 02:25
VLAI?
Summary
An issue was discovered in libsixel 1.8.2. There is an integer overflow in the function sixel_encode_body at tosixel.c.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
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CVE-2019-19637 (GCVE-0-2019-19637)
Vulnerability from cvelistv5 – Published: 2019-12-08 03:00 – Updated: 2024-08-05 02:25
VLAI?
Summary
An issue was discovered in libsixel 1.8.2. There is an integer overflow in the function sixel_decode_raw_impl at fromsixel.c.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
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