Issues

• [SECURITY] Heap OOB read and use-after-free in unsquashfs xattr parsing

  plougher/squashfs-tools#409 · Filter by author xsapiens75 opened on Oct 24, 2026

• Off-by-one in fragment-index bounds check causes heap OOB read in unsquash-2.c/unsquash-3.c

  bug
  plougher/squashfs-tools#408 · Filter by author router0mail opened on Sep 18, 2026 · 4.7.6
  

• Support compressed tarballs as input to sqfstar

  plougher/squashfs-tools#406 · Filter by author afbjorklund opened on Sep 16, 2026
  1

• mixed data and fragment block when deduplicate huge file

  plougher/squashfs-tools#405 · Filter by author s4e8 opened on Sep 7, 2026

• TOCTOU race between close() and set_attributes() in writer thread

  plougher/squashfs-tools#404 · Filter by author abhijithdas opened on Sep 1, 2026

• Symlink following in set_attributes() allows privilege escalation

  plougher/squashfs-tools#403 · Filter by author abhijithdas opened on Sep 1, 2026

• Error while creating from tar containing specific sparse file

  plougher/squashfs-tools#401 · Filter by author d-patyk opened on Aug 7, 2026

• Feature request: reuse compressed blocks for incremental updates

  enhancement
  plougher/squashfs-tools#334 · Filter by author TechnoPorg opened on Oct 16, 2025 · 4.7.7
  2

  

• mksquashfs deadlock on writing stage

  triage
  plougher/squashfs-tools#326 · Filter by author fourdim opened on Sep 11, 2025
  10

  

• Feature request: Add new command

  plougher/squashfs-tools#300 · Filter by author blackeangel opened on Jan 29, 2025

• Feature request: Allow unsquashfs to unpack over pre-mounted directories

  plougher/squashfs-tools#258 · Filter by author klark973 opened on Jul 5, 2023

• Out-of-memory when mksquashfs'ing 200M files

  enhancement
  plougher/squashfs-tools#238 · Filter by author nh2 opened on Apr 1, 2023 · Undecided
  5

  

• Feature request: increase max block size from 1M to 16M

  enhancement
  plougher/squashfs-tools#217 · Filter by author cgm999 opened on Jan 21, 2023 · Undecided
  12

  

• Feature request: generate and use preset compression dictionaries

  enhancement
  plougher/squashfs-tools#197 · Filter by author CAFxX opened on Aug 12, 2022 · Undecided
  4

  

• mksquashfs and unsquashfs as a library

  plougher/squashfs-tools#124 · Filter by author flxo opened on Aug 2, 2021
  3

• Feature request: incrementals

  plougher/squashfs-tools#119 · Filter by author screwer opened on Jul 12, 2021

• Filesystem LABEL and UUID

  enhancement
  plougher/squashfs-tools#59 · Filter by author szycha76 opened on Feb 6, 2019 · Undecided
  7

  

• Block level deduplication

  enhancement
  plougher/squashfs-tools#58 · Filter by author szycha76 opened on Feb 6, 2019 · Undecided
  9