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libtiff
_service:tar_scm_kernel_repo:backport-CVE-2023-...
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File _service:tar_scm_kernel_repo:backport-CVE-2023-26966.patch of Package libtiff
From b0e1c25dd1d065200c8d8f59ad0afe014861a1b9 Mon Sep 17 00:00:00 2001 From: Su_Laus <sulau@freenet.de> Date: Thu, 16 Feb 2023 12:03:16 +0100 Subject: [PATCH] tif_luv: Check and correct for NaN data in uv_encode(). Closes #530 See merge request !473 Reference:https://gitlab.com/libtiff/libtiff/-/merge_requests/473/diffs Conflict:Adaptation Context --- libtiff/tif_luv.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/libtiff/tif_luv.c b/libtiff/tif_luv.c index 13765ea..e511a46 100644 --- a/libtiff/tif_luv.c +++ b/libtiff/tif_luv.c @@ -908,6 +908,13 @@ uv_encode(double u, double v, int em) /* encode (u',v') coordinates */ { register int vi, ui; + /* check for NaN */ + if (u != u || v != v) + { + u = U_NEU; + v = V_NEU; + } + if (v < UV_VSTART) return oog_encode(u, v); vi = tiff_itrunc((v - UV_VSTART)*(1./UV_SQSIZ), em); -- 2.27.0
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