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Diffstat (limited to 'ChangeLog')
| -rw-r--r-- | ChangeLog | 23 |
1 files changed, 23 insertions, 0 deletions
@@ -1,3 +1,26 @@ +2017-05-31 Werner Lemberg <wl@gnu.org> + + [cff] 32bit integer overflow run-time errors 2/2 (#46149). + + This commit handles the new engine. + + * include/freetype/internal/ftcalc.h (OVERFLOW_ADD_INT32, + OVERFLOW_SUB_INT32, OVERFLOW_MUL_INT32, NEG_INT, NEG_LONG, + NEG_INT32): New macros. + + * src/cff/cf2ft.c (cf2_getScaleAndHintFlag): Use OVERFLOW_ADD_INT32. + + * src/cff/cf2hints.c (cf2_getWindingMomentum, cf2_hint_init, + cf2_hintmap_map, cf2_glyphpath_hintPoint, + cf2_glyphpath_computeIntersection, cf2_glyphpath_computeOffset, + cf2_glyphpath_lineTo, cf2_glyphpath_curveTo): Use + OVERFLOW_ADD_INT32, OVERFLOW_SUB_INT32, OVERFLOW_MUL_INT32, and + NEG_INT32 where appropriate. + + * src/cff/cf2intrp.c (cf2_doFlex, cf2_doBlend, + cf2_interpT2CharString): Ditto. + Also add some other code where needed to avoid overflow. + 2017-05-30 Werner Lemberg <wl@gnu.org> [cff] 32bit integer overflow run-time errors 1/2 (#46149). |