Created attachment 1505141 [details] ./img2sixel POC3 version: libsixel latest version(v1.8.2) Summary: There is an illegal address access at fromsixel.c:586 (function:sixel_decode_raw_impl) in libsixel latest version that will cause serious impact. Description: The asan debug is as follows: $./img2sixel POC3 ================================================================= ================================================================= ==626==ERROR: AddressSanitizer: SEGV on unknown address 0x610fe38ed6c0 (pc 0x7f0377c8e2f7 bp 0x000000000003 sp 0x7fffa39b5cd0 T0) #0 0x7f0377c8e2f6 in sixel_decode_raw_impl /home/company/real_sanitize/libsixel-master/src/fromsixel.c:586 #1 0x7f0377c8e8b1 in sixel_decode_raw /home/company/real_sanitize/libsixel-master/src/fromsixel.c:881 #2 0x7f0377cc042c in load_sixel /home/company/real_sanitize/libsixel-master/src/loader.c:613 #3 0x7f0377cc042c in load_with_builtin /home/company/real_sanitize/libsixel-master/src/loader.c:782 #4 0x7f0377cc43d9 in sixel_helper_load_image_file /home/company/real_sanitize/libsixel-master/src/loader.c:1352 #5 0x7f0377ccf283 in sixel_encoder_encode /home/company/real_sanitize/libsixel-master/src/encoder.c:1737 #6 0x4017f8 in main /home/company/real_sanitize/libsixel-master/converters/img2sixel.c:457 #7 0x7f0377688a3f in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x20a3f) #8 0x401918 in _start (/home/company/real_sanitize/poc_check/libsixel/img2sixel+0x401918) AddressSanitizer can not provide additional info. SUMMARY: AddressSanitizer: SEGV /home/company/real_sanitize/libsixel-master/src/fromsixel.c:586 sixel_decode_raw_impl ==626==ABORTING
Hello, Red Hat does not ship libsixel in any of our supported products. Please, report these issues upstream at: https://github.com/saitoha/libsixel/issues Thanks!