Issues

• [Bug]: Unbounded recursive descent in Parser.getObj() causes stack-exhaustion denial of service

  core
  mozilla/pdf.js#22522 · Filter by author damasiyachiranj opened on Nov 14, 2026
  3

• [Bug]: Find Next/Previous jumps to the top of the page before scrolling to the match

  viewer
  mozilla/pdf.js#22510 · Filter by author jaideep-avisol opened on Nov 12, 2026
  1

• [Bug]: Glyphs of variable fonts are clipped

  font-conversionos-macupstream
  mozilla/pdf.js#22492 · Filter by author yanone opened on Nov 10, 2026
  2

• [Bug]: Incorrect blending when changing luminosity soft masks with Darken

  smask
  mozilla/pdf.js#22489 · Filter by author ahilke opened on Nov 9, 2026

• [Bug]: Object entirely outside a luminosity soft mask's BBox is drawn unmasked when /BC gives zero alpha

  smask
  mozilla/pdf.js#22470 · Filter by author trackoor opened on Nov 7, 2026
  2

• [Bug]: Knockout group only half erases earlier elements when the opacity comes from a soft mask or a nested group

  smask
  mozilla/pdf.js#22469 · Filter by author trackoor opened on Nov 7, 2026

• [Feature]: Support Acrobat JavaScript link actions and contextual menus

  form-jsrequires-feedback-from-ux-ui
  mozilla/pdf.js#22467 · Filter by author msasdk opened on Nov 7, 2026

• [Bug]: Typing anywhere on the page re-appends .endOfContent in every text layer

  text-selection
  mozilla/pdf.js#22466 · Filter by author yanissrairi opened on Nov 7, 2026
  1

• [Bug]: Bidi: combining marks outside the Hebrew/Arabic blocks are typed as strong LTR, reordering diacritics in RTL text

  text-selection
  mozilla/pdf.js#22433 · Filter by author danmolitor opened on Nov 4, 2026

• Bundling pdf.js with webpack embeds the build machine's absolute paths (Emscripten scriptDirectory, Node canvas require)

  other
  mozilla/pdf.js#22429 · Filter by author torcoste opened on Nov 3, 2026
  1

• [Bug]: Wrong colors with a Type 4 function using a value in a conditional branch

  shading-pattern
  mozilla/pdf.js#22416 · Filter by author zerotohero3 opened on Nov 2, 2026

• [Bug]: Text of an embedded simple font is read as the code's own character when the glyph name has a suffix (c.sc) or is an unknown ligature (T_h.alt)

  font-conversion
  mozilla/pdf.js#22410 · Filter by author harshankur opened on Oct 31, 2026

• [Bug]: A radio group set by a script before its page renders shows the wrong button checked, and every button stores false

  annotations
  mozilla/pdf.js#22393 · Filter by author yhay81 opened on Oct 30, 2026

• [Feature]: Support interactively setting pushbutton icon images ( /MK/I ) aka character sheet portraits

  annotationsrequires-feedback-from-ux-ui
  mozilla/pdf.js#22345 · Filter by author lunarcloud opened on Oct 27, 2026
  1

• [Editor] "Cannot read properties of null (reading 'addButton')" when deleting a FreeText editor that is in edit mode

  editor
  mozilla/pdf.js#22341 · Filter by author gabboclaa opened on Oct 26, 2026
  1

• [Bug]: Text layer words before wide in-flow gaps (TeX dot leaders) are shifted off their glyphs

  text-selection
  mozilla/pdf.js#22325 · Filter by author yhay81 opened on Oct 23, 2026

• [Bug]: Link annotation border width does not scale with viewer zoom

  annotations
  mozilla/pdf.js#22310 · Filter by author krflol opened on Oct 23, 2026

• findContrastColor does not linearize luminance (output.map result is discarded)

  core
  mozilla/pdf.js#22300 · Filter by author Huang-404-Q opened on Oct 22, 2026
  1

• [Bug]: After opening another document, new drawings take the previous document's zoom for their stroke width

  editor
  mozilla/pdf.js#22272 · Filter by author yhay81 opened on Oct 20, 2026

• [Bug]: A FreeText editor restored from a clone moves up by its font size

  editor
  mozilla/pdf.js#22271 · Filter by author yhay81 opened on Oct 20, 2026
  1

• [Bug]: After a page is rendered again, undo removes an earlier highlight or drawing instead of the last edit

  editor
  mozilla/pdf.js#22270 · Filter by author yhay81 opened on Oct 20, 2026
  1

• [Bug]: Rendering is much slower after scrolling that when "jumping" via page number

  performanceviewer
  mozilla/pdf.js#22263 · Filter by author nicolo-ribaudo opened on Oct 20, 2026
  2

  

• [Bug]: Dragging a selection up into the page above selects that whole page in WebKit and Firefox

  text-selection
  mozilla/pdf.js#22259 · Filter by author yhay81 opened on Oct 20, 2026

• [Bug]: Text layer spans are scaled against the wrong font when the PDF has no /Lang and the page has a lang

  text-selection
  mozilla/pdf.js#22258 · Filter by author yhay81 opened on Oct 20, 2026

• [Bug]: Knockout groups composite every element over the whole group canvas, which makes small groups expensive to render

  core
  mozilla/pdf.js#22256 · Filter by author yhay81 opened on Oct 20, 2026