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SUSE:SLE-12-SP5:Update
libXfont.1655
u_libxfont_bdfreadproperties_property_count_nee...
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File u_libxfont_bdfreadproperties_property_count_needs_range_check.patch of Package libXfont.1655
Subject: bdfReadProperties: property count needs range check References: bnc#921978, CVE-2015-1802 Signed-off-by: msrb@suse.com check [CVE-2015-AAAA] --- src/bitmap/bdfread.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) --- a/src/bitmap/bdfread.c +++ a/src/bitmap/bdfread.c @@ -604,7 +604,9 @@ bdfReadProperties(FontFilePtr file, FontPtr pFont, bdfFileState *pState) bdfError("missing 'STARTPROPERTIES'\n"); return (FALSE); } - if (sscanf((char *) line, "STARTPROPERTIES %d", &nProps) != 1) { + if ((sscanf((char *) line, "STARTPROPERTIES %d", &nProps) != 1) || + (nProps <= 0) || + (nProps > ((INT32_MAX / sizeof(FontPropRec)) - BDF_GENPROPS))) { bdfError("bad 'STARTPROPERTIES'\n"); return (FALSE); } --
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