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Merge pull request #18760 from calixteman/bug1919513

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Read a signed integer when using PUSHW in sanitizing a font (bug 1919513)
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calixteman 2024-09-19 13:33:50 +02:00 committed by GitHub
commit 652e3e0d76
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GPG Key ID: B5690EEEBB952194
4 changed files with 10 additions and 1 deletions
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2
src/core/fonts.js
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@ -2387,7 +2387,7 @@ class Font {
} else { } else {
for (j = 0; j < n; j++) { for (j = 0; j < n; j++) {
b = data[i++]; b = data[i++];
stack.push((b << 8) | data[i++]); stack.push(signedInt16(b, data[i++]));
} }
} }
} else if (op === 0x2b && !tooComplexToFollowFunctions) { } else if (op === 0x2b && !tooComplexToFollowFunctions) {

1
test/pdfs/.gitignore vendored
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@ -668,3 +668,4 @@
!issue18694.pdf !issue18694.pdf
!issue18693.pdf !issue18693.pdf
!bug1918115.pdf !bug1918115.pdf
!bug1919513.pdf

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test/pdfs/bug1919513.pdf Executable file
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8
test/test_manifest.json
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@ -10482,5 +10482,13 @@
"rounds": 1, "rounds": 1,
"link": true, "link": true,
"type": "eq" "type": "eq"
},
{
"id": "bug1919513",
"file": "pdfs/bug1919513.pdf",
"md5": "83d1a7fab2c81e632910c334879e7334",
"rounds": 1,
"talos": false,
"type": "eq"
} }
] ]