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In openjpeg v2.3.1 and prior, if too many decomposition levels are supplied to the encoder, it could cause a global buffer overflow to out-of-bounds read in the opj_dwt_calc_explicit_stepsizes() function. Reference: https://github.com/uclouvain/openjpeg/issues/1286 Upstream patch: https://github.com/uclouvain/openjpeg/pull/1292/commits/6daf5f3e1ec6eff03b7982889874a3de6617db8d
Created openjpeg tracking bugs for this issue: Affects: fedora-all [bug 1905724] Created openjpeg2 tracking bugs for this issue: Affects: epel-all [bug 1905726] Affects: fedora-all [bug 1905725]
Acknowledgments: Name: zodf0055980 (SQLab NCTU Taiwan)
This issue has been addressed in the following products: Red Hat Enterprise Linux 8 Via RHSA-2021:4251 https://access.redhat.com/errata/RHSA-2021:4251