mirror of
https://git.yoctoproject.org/poky
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be24e22651
Upstream-Status: Backport from b0e1c25dd1
(From OE-Core rev: 0619953c9d87ec2dd670dc50f15170e5c42f95c7)
Signed-off-by: Hitendra Prajapati <hprajapati@mvista.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>
36 lines
945 B
Diff
36 lines
945 B
Diff
From b0e1c25dd1d065200c8d8f59ad0afe014861a1b9 Mon Sep 17 00:00:00 2001
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From: Su_Laus <sulau@freenet.de>
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Date: Thu, 16 Feb 2023 12:03:16 +0100
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Subject: [PATCH] tif_luv: Check and correct for NaN data in uv_encode().
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Closes #530
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Upstream-Status: Backport [https://gitlab.com/libtiff/libtiff/-/commit/b0e1c25dd1d065200c8d8f59ad0afe014861a1b9]
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CVE: CVE-2023-26966
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Signed-off-by: Hitendra Prajapati <hprajapati@mvista.com>
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---
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libtiff/tif_luv.c | 7 +++++++
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1 file changed, 7 insertions(+)
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diff --git a/libtiff/tif_luv.c b/libtiff/tif_luv.c
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index 13765ea..40b2719 100644
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--- a/libtiff/tif_luv.c
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+++ b/libtiff/tif_luv.c
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@@ -908,6 +908,13 @@ uv_encode(double u, double v, int em) /* encode (u',v') coordinates */
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{
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register int vi, ui;
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+ /* check for NaN */
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+ if (u != u || v != v)
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+ {
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+ u = U_NEU;
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+ v = V_NEU;
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+ }
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+
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if (v < UV_VSTART)
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return oog_encode(u, v);
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vi = tiff_itrunc((v - UV_VSTART)*(1./UV_SQSIZ), em);
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--
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2.25.1
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