Astra Linux – Vulnerability in libstb

stbimage is a single-file library licensed under MIT, used for processing images. If stbiloadgifmain in stbiloadgiffrommemory fails, it returns a null pointer and may leave the z variable uninitialized. If the caller also sets the vertical flipping flag, the process continues by calling...

SUSE CVE-2026-33018

libsixel is a SIXEL encoder/decoder implementation derived from kmiya's sixel. Versions 1.8.7 and prior contain a Use-After-Free vulnerability via the loadgif function in fromgif.c, where a single sixelframet object is reused across all frames of an animated GIF and gifinitframe unconditionally...

DEBIAN-CVE-2026-33018

libsixel is a SIXEL encoder/decoder implementation derived from kmiya's sixel. Versions 1.8.7 and prior contain a Use-After-Free vulnerability via the loadgif function in fromgif.c, where a single sixelframet object is reused across all frames of an animated GIF and gifinitframe unconditionally...

UBUNTU-CVE-2026-33018

libsixel is a SIXEL encoder/decoder implementation derived from kmiya's sixel. Versions 1.8.7 and prior contain a Use-After-Free vulnerability via the loadgif function in fromgif.c, where a single sixelframet object is reused across all frames of an animated GIF and gifinitframe unconditionally...

CVE-2026-33018

libsixel is a SIXEL encoder/decoder implementation derived from kmiya's sixel. Versions 1.8.7 and prior contain a Use-After-Free vulnerability via the loadgif function in fromgif.c, where a single sixelframet object is reused across all frames of an animated GIF and gifinitframe unconditionally...

CVE-2026-33018 libsixel: Use-After-Free in load_gif()

libsixel is a SIXEL encoder/decoder implementation derived from kmiya's sixel. Versions 1.8.7 and prior contain a Use-After-Free vulnerability via the loadgif function in fromgif.c, where a single sixelframet object is reused across all frames of an animated GIF and gifinitframe unconditionally...

CVE-2026-33018 libsixel: Use-After-Free in load_gif()

libsixel is a SIXEL encoder/decoder implementation derived from kmiya's sixel. Versions 1.8.7 and prior contain a Use-After-Free vulnerability via the loadgif function in fromgif.c, where a single sixelframet object is reused across all frames of an animated GIF and gifinitframe unconditionally...

CVE-2026-33018

libsixel 1.8.7 and prior contain a heap use‑after‑free in load_gif() (fromgif.c): a single sixel_frame_t is reused across all frames of an animated GIF and gif_init_frame() frees/reallocates frame->pixels between frames regardless of reference counts. A callback using sixel_frame_get_pixels() ...

CVE-2026-33018

libsixel is a SIXEL encoder/decoder implementation derived from kmiya's sixel. Versions 1.8.7 and prior contain a Use-After-Free vulnerability via the loadgif function in fromgif.c, where a single sixelframet object is reused across all frames of an animated GIF and gifinitframe unconditionally...

CVE-2026-5186

A weakness has been identified in Nothings stb up to 2.30. This impacts the function stbiloadgifmain of the file stbimage.h of the component Multi-frame GIF File Handler. This manipulation causes double free. The attack requires local access. The exploit has been made available to the public and...

CVE-2026-5186 Nothings stb Multi-frame GIF File stb_image.h stbi__load_gif_main double free

A weakness has been identified in Nothings stb up to 2.30. This impacts the function stbiloadgifmain of the file stbimage.h of the component Multi-frame GIF File Handler. This manipulation causes double free. The attack requires local access. The exploit has been made available to the public and...

OESA-2024-1263 stb security update

Single-file public domain libraries for C/C++. Security Fixes: stbimage is a single file MIT licensed library for processing images. It may look like stbiloadgifmain doesn’t give guarantees about the content of output value delays upon failure. Although it sets delays to zero at the beginning, it...

UBUNTU-CVE-2023-45666

stbimage is a single file MIT licensed library for processing images. It may look like stbiloadgifmain doesn’t give guarantees about the content of output value delays upon failure. Although it sets delays to zero at the beginning, it doesn’t do it in case the image is not recognized as GIF and a...

CVE-2022-30858

An issue was discovered in ngiflib 0.4. There is SEGV in SDLLoadAnimatedGif when use SDLaffgif. poc : ./SDLaffgif CAfile20...

PT-2023-9362 · Stb Image +3 · Stb Image +3

Name of the Vulnerable Software and Affected Versions: stb image affected versions not specified Description: The issue is related to the stbi load gif from memory component of the stb image library, which is a single file MIT licensed library for processing images. If stbi load gif main fails, i...