Issues

• Stack-buffer-overflow when macro substitution expands a line past MAXSTRING

  liblouis/liblouis#2138 · Filter by author Fengxiaoxx opened on Oct 19, 2026

• Heap-buffer-overflow when a macro body contains $0

  liblouis/liblouis#2137 · Filter by author Fengxiaoxx opened on Oct 19, 2026

• Back-translation: numbers end at a midnum separator (1.234 -> 1.bcd); proposal for opt-in continuation

  liblouis/liblouis#2135 · Filter by author tibbsa opened on Oct 17, 2026

• Out-of-bounds read in for_updatePositions() for a cursor placed at the end of the input

  liblouis/liblouis#2131 · Filter by author Fengxiaoxx opened on Oct 14, 2026 · 3.40

• Use-after-free write in compileRule() when a nocross rule is compiled into a growing table

  liblouis/liblouis#2129 · Filter by author Fengxiaoxx opened on Oct 14, 2026 · 3.40

• ASan: heap-buffer-overflow in _lou_translate() when the input is longer than *outlen

  liblouis/liblouis#2127 · Filter by author Fengxiaoxx opened on Oct 13, 2026

• global-buffer-overflow in analyzeTable() for an overlong resolved table path

  liblouis/liblouis#2120 · Filter by author Fengxiaoxx opened on Sep 30, 2026

• hyphenateWord(): negative patternOffset accesses hyphens[-1]

  liblouis/liblouis#2117 · Filter by author Fengxiaoxx opened on Sep 30, 2026

• listDir(): global-buffer-overflow in fileName for a long LOUIS_TABLEPATH directory

  memory error
  Bug

  liblouis/liblouis#2115 · Filter by author Fengxiaoxx opened on Sep 30, 2026 · 3.40

• MSan: use-of-uninitialized-value in addRule() for a match/backmatch rule with a missing operand

  bug
  liblouis/liblouis#2112 · Filter by author Fengxiaoxx opened on Sep 28, 2026

• Custom attribute indicators not working in back translation

  liblouis/liblouis#2106 · Filter by author seeing-hands-n opened on Sep 24, 2026
  1

• Heap buffer overflow in lou_backTranslateString when using typebuf

  memory error
  Bug

  liblouis/liblouis#2097 · Filter by author zeng1313 opened on Sep 11, 2026

• [BUG] Heap buffer overflow in lou_backTranslateString memset typebuf

  memory error
  Bug

  liblouis/liblouis#2096 · Filter by author zeng1313 opened on Sep 11, 2026

• Segmentation fault (use-after-free or double-free) in parseQuery at metadata.c:586 when parsing crafted table query string

  memory error
  Bug

  liblouis/liblouis#2095 · Filter by author zeng1313 opened on Sep 9, 2026

• Heap-buffer-overflow in _lou_backTranslate at lou_backTranslateString.c:228 (memset out-of-bounds write)

  liblouis/liblouis#2094 · Filter by author zeng1313 opened on Sep 9, 2026

• Document that the dotless opcodes (contraction, nocont, compbrl) are forward-only

  liblouis/liblouis#2093 · Filter by author egli opened on Sep 7, 2026

• Include Dipendra's updated Tamil tables (tamil.cti and ta-ta-g1.ctb)

  tables
  liblouis/liblouis#2089 · Filter by author bertfrees opened on Sep 1, 2026 · 3.40

• Tamil Table [ta-ta-g1.ctb] : Dots 5 and 6 (which represent the Tamil letter 'ன') are being erroneously inserted into the middle of standard Tamil words and character sequences

  help wantedneeds testtables
  Bug

  liblouis/liblouis#2087 · Filter by author rameshGIT777 opened on Sep 1, 2026
  1

• outputPos and cursorPos can contain an undocumented -1 on a successful translation

  liblouis/liblouis#2080 · Filter by author egli opened on Aug 27, 2026
  4

• Back-translation does not recognize the indicators of user-defined modes

  liblouis/liblouis#2079 · Filter by author LeonarddeR opened on Aug 26, 2026

• UEB: capitals indicators vs. combining diacritics: adopt capsmodechars by decoupling it from caps word-boundary detection

  liblouis/liblouis#2074 · Filter by author tibbsa opened on Aug 21, 2026

• Fix the documentation for backtick in Context and Multipass Opcodes

  documentation
  liblouis/liblouis#2071 · Filter by author egli opened on Aug 20, 2026 · 3.40
  9

• Enforce that in the second operand of swapdd the dot patterns are single cells

  bugtables
  liblouis/liblouis#2070 · Filter by author egli opened on Aug 20, 2026 · 3.40
  1

• Back translation working in Liblouis test harness but not through NVDA

  liblouis/liblouis#2063 · Filter by author MDipendra opened on Aug 15, 2026
  1

• The mingw build fails on GCC 15

  build systemwindows
  liblouis/liblouis#2059 · Filter by author bertfrees opened on Aug 11, 2026