Issues

• Elephant-Goldfish Model just passed **1,800 GitHub stars**! 🎉 Thank you to everyone who tried EGM and shared what they learned.

  google/leveldb#1378 · Filter by author Puyanf opened on Oct 28, 2026

• PosixEnv::LockFile releases the process's LOCK when a duplicate open is rejected (close() drops all fcntl locks)

  google/leveldb#1369 · Filter by author yxscc opened on Oct 9, 2026

• Block::restart_offset_ is uint32_t: an uncompressed block of >= 2^32+8 bytes silently loses all its records (Get -> NotFound, iterator empty, status OK)

  google/leveldb#1363 · Filter by author hanke580 opened on Oct 4, 2026

• MemTable::Add encodes key_size + 8 as varint32: Put accepts a key of 2^32-8 .. 2^32-1 bytes and reading it back segfaults

  google/leveldb#1362 · Filter by author hanke580 opened on Oct 4, 2026

• PosixRandomAccessFile::Read treats a short pread() as a complete read: blocks > 0x7ffff000 bytes become unreadable once the mmap limit is exhausted

  google/leveldb#1361 · Filter by author hanke580 opened on Oct 4, 2026
  2

• Snappy-compressed data block of >= 2^32 bytes is written unreadable: acknowledged writes (and their block neighbours) are lost at flush

  google/leveldb#1360 · Filter by author hanke580 opened on Oct 4, 2026

• ReadBlock allocates attacker-controlled snappy/zstd uncompressed length before validation

  google/leveldb#1349 · Filter by author h-t-m opened on Aug 19, 2026

• Block entry bounds check wraps around: 2 GiB out-of-bounds read in Block::Iter::ParseNextKey

  google/leveldb#1348 · Filter by author h-t-m opened on Aug 19, 2026
  2

• leveldb

  google/leveldb#1347 · Filter by author lotopadjacky opened on Aug 10, 2026

• Bug: RepairDB pushes tables with empty smallest/largest InternalKeys causing assertion failure in Encode

  google/leveldb#1343 · Filter by author yvonnelxxxx opened on Aug 5, 2026

• Bug: ChangeOptions lowers block_restart_interval without resetting BlockBuilder counter_ causing assertion failure

  google/leveldb#1339 · Filter by author yvonnelxxxx opened on Jul 31, 2026

• Bug: macro name inconsistency at line 34: HAVE_Zstd should be HAVE_ZSTD

  google/leveldb#1331 · Filter by author puzc1993 opened on Jun 7, 2026

• Bug: NewAppendableFile does not record newly created FileState in file_map_

  google/leveldb#1328 · Filter by author puzc1993 opened on May 23, 2026

• Undefined behavior in leveldb: invocation to memcpy reads padding bytes because of flexible array member

  google/leveldb#1325 · Filter by author ubersandro opened on May 8, 2026

• Unbounded Allocation in leveldb::ReadBlock via Crafted SSTable Block Handle

  google/leveldb#1318 · Filter by author OwenSanzas opened on Apr 11, 2026
  1

• Security/Bug Audit Reports…

  google/leveldb#1315 · Filter by author dibyx opened on Apr 2, 2026
  2

• [Bug] Manifest bad internal key causes DB Open process crash

  google/leveldb#1311 · Filter by author Sakura-501 opened on Mar 22, 2026

• [Bug] ReadBlock block size wraparound bypasses truncated block validation and causes out of bounds access

  google/leveldb#1310 · Filter by author Sakura-501 opened on Mar 22, 2026

• Any plans on releasing 1.24 soon?

  google/leveldb#1301 · Filter by author ErniGH opened on Feb 27, 2026

• [BUG] SIGSEGV: SkipList<char const*, MemTable::KeyComparator>::FindGreaterOrEqual

  google/leveldb#1298 · Filter by author mcohen-encircle opened on Feb 3, 2026

• T

  google/leveldb#1294 · Filter by author mdlitonshiek38-prog opened on Jan 3, 2026

• [Bug] Heap-Use-After-Free in DBImpl::MakeRoomForWrite during DB Destruction

  google/leveldb#1293 · Filter by author yxscc opened on Dec 27, 2025

• # [Bug] Use-After-Free / Segfault when destroying Iterator after DB is closed

  google/leveldb#1292 · Filter by author yxscc opened on Dec 27, 2025

• OSS-Fuzz issue 471520377

  google/leveldb#1291 · Filter by author oss-fuzz-robot opened on Dec 25, 2025

• Corruption bug: reuse_logs can reuse a log with an incomplete record

  google/leveldb#1287 · Filter by author robofinch opened on Nov 2, 2025