Libsixel
CVE-2019-3574
HIGH
Severity by source
AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Lifecycle Timeline
1DescriptionCVE.org
In libsixel v1.8.2, there is a heap-based buffer over-read in the function load_jpeg() in the file loader.c, as demonstrated by img2sixel.
AnalysisAI
In libsixel v1.8.2, there is a heap-based buffer over-read in the function load_jpeg() in the file loader.c, as demonstrated by img2sixel. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Technical ContextAI
This vulnerability is classified as Out-of-bounds Read (CWE-125), which allows attackers to read data from memory outside the intended buffer boundaries. In libsixel v1.8.2, there is a heap-based buffer over-read in the function load_jpeg() in the file loader.c, as demonstrated by img2sixel. Affected products include: Saitoha Libsixel.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate array indices and buffer lengths. Use memory-safe languages. Enable AddressSanitizer during testing.
An issue was discovered in libsixel 1.8.4. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, n
An issue was discovered in libsixel 1.8.4. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, n
libsixel 1.8.4 has an integer overflow in sixel_frame_resize in frame.c. Rated high severity (CVSS 8.8), this vulnerabil
libsixel 1.10.0 is vulnerable to Use after free in libsixel/src/dither.c:379. Rated high severity (CVSS 8.8), this vulne
Libsixel 1.8.3 contains a heap-based buffer overflow in the sixel_encode_highcolor function in tosixel.c. Rated high sev
Libsixel 1.8.2 contains a heap-based buffer overflow in the dither_func_fs function in tosixel.c. Rated high severity (C
An issue was discovered in libsixel 1.8.2. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, n
stb_image.h (aka the stb image loader) 2.23, as used in libsixel and other products, has a heap-based buffer over-read i
libsixel before 1.10 is vulnerable to Buffer Overflow in libsixel/src/quant.c:867. Rated high severity (CVSS 8.8), this
libsixel 1.8.6 is affected by Buffer Overflow in libsixel/src/quant.c:876. Rated high severity (CVSS 8.8), this vulnerab
libsixel 1.8.6 suffers from a Heap Use After Free vulnerability in in libsixel/src/dither.c:388. Rated high severity (CV
There is a heap-based buffer overflow at fromsixel.c (function: image_buffer_resize) in libsixel 1.8.2 that will cause a
Same weakness CWE-125 – Out-of-bounds Read
View allSame technique Buffer Overflow
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External POC / Exploit Code
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