CVE-2026-121942

The ZBar library (versions through 0.23.95 ) is vulnerable to an out-of-bounds read in the _zbar_sq_decode() function located in zbar/sqcode.c. An attacker can exploit this by providing a crafted SQ code image with a skewed finder pattern near the edge. This causes the decoder to produce unchecke...

CVE-2026-121942 ZBar through 0.23.95 Out-of-Bounds Read via _zbar_sq_decode() in sqcode.c

ZBar through 0.23.95 contains an out-of-bounds read vulnerability in zbarsqdecode in zbar/sqcode.c that allows attackers to read heap memory outside the image buffer via crafted SQ code images. Attackers can supply an image with a skewed SQ code finder pattern near the edge, producing unchecked...

CVE-2026-121942: mchehab zbar: ZBar through 0.23.95 contains an out-of-bounds read vulnerability in _zbar_sq_decode() in zbar/sqcode.c that allows…

ZBar through 0.23.95 contains an out-of-bounds read vulnerability in zbarsqdecode in zbar/sqcode.c that allows attackers to read heap memory outside the image buffer via crafted SQ code images. Attackers can supply an image with a skewed SQ code finder pattern near the edge, producing unchecked...

PT-2026-136962

ZBar through 0.23.95 contains an out-of-bounds read vulnerability in zbar sq decode in zbar/sqcode.c that allows attackers to read heap memory outside the image buffer via crafted SQ code images. Attackers can supply an image with a skewed SQ code finder pattern near the edge, producing unchecked...