!58 fix CVE-2025-27363
From: @zppzhangpan Reviewed-by: @yanan-rock Signed-off-by: @yanan-rock
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147
backport-0001-CVE-2025-27363.patch
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147
backport-0001-CVE-2025-27363.patch
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From ef636696524b081f1b8819eb0c6a0b932d35757d Mon Sep 17 00:00:00 2001
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From: Alexei Podtelezhnikov <apodtele@gmail.com>
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Date: Fri, 17 Mar 2023 23:25:45 -0400
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Subject: [PATCH] [truetype] Clean up zeroing and local variables.
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* src/truetype/ttgload.c (TT_Process_Simple_Glyph): Avoid zeroing.
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(load_truetype_glyph): Avoid zeroing and clean local variables.
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Reference:https://gitlab.freedesktop.org/freetype/freetype/-/commit/ef636696524b081f1b8819eb0c6a0b932d35757d
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Conflict:context adaptation and points->outline.points
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---
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src/truetype/ttgload.c | 82 ++++++++++++++----------------------------
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1 file changed, 26 insertions(+), 56 deletions(-)
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diff --git a/src/truetype/ttgload.c b/src/truetype/ttgload.c
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index 2ca63d6..8c1fbbf 100644
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--- a/src/truetype/ttgload.c
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+++ b/src/truetype/ttgload.c
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@@ -981,7 +981,7 @@
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if ( !IS_DEFAULT_INSTANCE( FT_FACE( loader->face ) ) )
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{
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- if ( FT_NEW_ARRAY( unrounded, n_points ) )
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+ if ( FT_QNEW_ARRAY( unrounded, n_points ) )
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goto Exit;
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/* Deltas apply to the unscaled data. */
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@@ -1948,10 +1948,7 @@
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short i, limit;
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FT_SubGlyph subglyph;
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- FT_Outline outline;
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- FT_Vector* points = NULL;
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- char* tags = NULL;
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- short* contours = NULL;
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+ FT_Outline outline = { 0, 0, NULL, NULL, NULL, 0 };
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FT_Vector* unrounded = NULL;
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@@ -1959,19 +1956,14 @@
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/* construct an outline structure for */
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/* communication with `TT_Vary_Apply_Glyph_Deltas' */
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- outline.n_points = (short)( gloader->current.num_subglyphs + 4 );
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- outline.n_contours = outline.n_points;
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-
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- outline.points = NULL;
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- outline.tags = NULL;
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- outline.contours = NULL;
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-
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- if ( FT_NEW_ARRAY( points, outline.n_points ) ||
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- FT_NEW_ARRAY( tags, outline.n_points ) ||
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- FT_NEW_ARRAY( contours, outline.n_points ) ||
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- FT_NEW_ARRAY( unrounded, outline.n_points ) )
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+ if ( FT_QNEW_ARRAY( outline.points, limit + 4 ) ||
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+ FT_QNEW_ARRAY( outline.tags, limit ) ||
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+ FT_QNEW_ARRAY( outline.contours, limit ) ||
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+ FT_QNEW_ARRAY( unrounded, limit + 4 ) )
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goto Exit1;
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+ outline.n_contours = outline.n_points = limit;
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+
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subglyph = gloader->current.subglyphs;
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for ( i = 0; i < limit; i++, subglyph++ )
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@@ -1979,38 +1971,16 @@
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/* applying deltas for anchor points doesn't make sense, */
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/* but we don't have to specially check this since */
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/* unused delta values are zero anyways */
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- points[i].x = subglyph->arg1;
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- points[i].y = subglyph->arg2;
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- tags[i] = 1;
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- contours[i] = i;
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+ outline.points[i].x = subglyph->arg1;
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+ outline.points[i].y = subglyph->arg2;
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+ outline.tags[i] = ON_CURVE_POINT;
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+ outline.contours[i] = i;
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}
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- points[i].x = loader->pp1.x;
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- points[i].y = loader->pp1.y;
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- tags[i] = 1;
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- contours[i] = i;
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-
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- i++;
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- points[i].x = loader->pp2.x;
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- points[i].y = loader->pp2.y;
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- tags[i] = 1;
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- contours[i] = i;
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-
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- i++;
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- points[i].x = loader->pp3.x;
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- points[i].y = loader->pp3.y;
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- tags[i] = 1;
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- contours[i] = i;
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-
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- i++;
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- points[i].x = loader->pp4.x;
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- points[i].y = loader->pp4.y;
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- tags[i] = 1;
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- contours[i] = i;
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-
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- outline.points = points;
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- outline.tags = tags;
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- outline.contours = contours;
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+ outline.points[i++] = loader->pp1;
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+ outline.points[i++] = loader->pp2;
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+ outline.points[i++] = loader->pp3;
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+ outline.points[i ] = loader->pp4;
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/* this call provides additional offsets */
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/* for each component's translation */
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@@ -2028,20 +1998,20 @@
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{
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if ( subglyph->flags & ARGS_ARE_XY_VALUES )
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{
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- subglyph->arg1 = (FT_Int16)points[i].x;
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- subglyph->arg2 = (FT_Int16)points[i].y;
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+ subglyph->arg1 = (FT_Int16)outline.points[i].x;
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+ subglyph->arg2 = (FT_Int16)outline.points[i].y;
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}
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}
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- loader->pp1.x = points[i + 0].x;
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- loader->pp1.y = points[i + 0].y;
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- loader->pp2.x = points[i + 1].x;
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- loader->pp2.y = points[i + 1].y;
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+ loader->pp1.x = outline.points[i + 0].x;
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+ loader->pp1.y = outline.points[i + 0].y;
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+ loader->pp2.x = outline.points[i + 1].x;
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+ loader->pp2.y = outline.points[i + 1].y;
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- loader->pp3.x = points[i + 2].x;
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- loader->pp3.y = points[i + 2].y;
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- loader->pp4.x = points[i + 3].x;
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- loader->pp4.y = points[i + 3].y;
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+ loader->pp3.x = outline.points[i + 2].x;
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+ loader->pp3.y = outline.points[i + 2].y;
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+ loader->pp4.x = outline.points[i + 3].x;
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+ loader->pp4.y = outline.points[i + 3].y;
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/* recalculate linear horizontal and vertical advances */
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/* if we don't have HVAR and VVAR, respectively */
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--
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2.33.0
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36
backport-0002-CVE-2025-27363.patch
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36
backport-0002-CVE-2025-27363.patch
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@ -0,0 +1,36 @@
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From 73720c7c9958e87b3d134a7574d1720ad2d24442 Mon Sep 17 00:00:00 2001
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From: Alexei Podtelezhnikov <apodtele@gmail.com>
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Date: Sun, 23 Jun 2024 10:58:00 -0400
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Subject: [PATCH] * src/truetype/ttgload.c (load_truetype_glyph): Unsigned fix.
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Reference:https://gitlab.freedesktop.org/freetype/freetype/-/commit/73720c7c9958e87b3d134a7574d1720ad2d24442
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Conflict:NA
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---
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src/truetype/ttgload.c | 4 ++--
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1 file changed, 2 insertions(+), 2 deletions(-)
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diff --git a/src/truetype/ttgload.c b/src/truetype/ttgload.c
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index 8cddc394c..b656ccf04 100644
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--- a/src/truetype/ttgload.c
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+++ b/src/truetype/ttgload.c
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@@ -1738,14 +1738,14 @@
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if ( FT_IS_NAMED_INSTANCE( FT_FACE( face ) ) ||
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FT_IS_VARIATION( FT_FACE( face ) ) )
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{
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- short i, limit;
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+ FT_UShort i, limit;
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FT_SubGlyph subglyph;
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FT_Outline outline = { 0, 0, NULL, NULL, NULL, 0 };
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FT_Vector* unrounded = NULL;
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- limit = (short)gloader->current.num_subglyphs;
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+ limit = (FT_UShort)gloader->current.num_subglyphs;
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/* construct an outline structure for */
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/* communication with `TT_Vary_Apply_Glyph_Deltas' */
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--
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GitLab
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@ -4,7 +4,7 @@
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Name: freetype
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Version: 2.12.1
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Release: 3
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Release: 4
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Summary: FreeType is a freely available software library to render fonts
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License: (FTL or GPLv2+) and BSD and MIT and Public Domain and zlib with acknowledgement
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URL: http://www.freetype.org
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@ -23,6 +23,8 @@ Patch6003: backport-freetype-2.8-multilib.patch
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Patch6004: backport-freetype-2.10.0-internal-outline.patch
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Patch6005: backport-freetype-2.10.1-debughook.patch
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Patch6006: backport-CVE-2023-2004.patch
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Patch6007: backport-0001-CVE-2025-27363.patch
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Patch6008: backport-0002-CVE-2025-27363.patch
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BuildRequires: gcc libX11-devel libpng-devel zlib-devel bzip2-devel meson
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@ -71,6 +73,8 @@ popd
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%patch6004 -p1
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%patch6005 -p1
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%patch6006 -p1
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%patch6007 -p1
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%patch6008 -p1
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%build
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%configure --disable-static --with-zlib=yes --with-bzip2=yes --with-png=yes --enable-freetype-config --with-harfbuzz=no
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@ -151,6 +155,9 @@ meson test -C out
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%{_mandir}/man1/*
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%changelog
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* Mon Mar 17 2025 zhangpan <zhangpan103@h-partners.com> - 2.12.1-4
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- fix CVE-2025-27363
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* Tue Nov 14 2023 zhangpan <zhangpan103@h-partners.com> - 2.12.1-3
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- enable make check
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