CVE-2022-3627: Out-of-bounds Write

October 21, 2022 (updated February 23, 2023)

LibTIFF 4.4.0 has an out-of-bounds write in _TIFFmemcpy in libtiff/tif_unix.c:346 when called from extractImageSection, tools/tiffcrop.c:6860, allowing attackers to cause a denial-of-service via a crafted tiff file. For users that compile libtiff from sources, the fix is available with commit 236b7191.

References

gitlab.com/gitlab-org/cves/-/blob/master/2022/CVE-2022-3627.json
gitlab.com/libtiff/libtiff/-/commit/236b7191f04c60d09ee836ae13b50f812c841047
gitlab.com/libtiff/libtiff/-/issues/411
nvd.nist.gov/vuln/detail/CVE-2022-3627

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