Vulnerability in libyal libpff

[ Description ]Official description

Libpff through 20260926 contains a heap out-of-bounds read vulnerability in libpff_table_read_values_array because a 7c column definition's values_array_size is not checked against remaining buffer bytes. Attackers can supply a crafted PST, OST or PAB file to make applications read adjacent heap memory into record entry values or crash.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ References ]References

• github.com/libyal/libpff
• github.com/libyal/libpff/blob/20260926/libpff/libpff_table.c
• github.com/libyal/libpff/commit/cb83eb38ffdbdfe2c69238fe7ce481ddc8513266
• github.com/libyal/libpff/issues/172
• hackmd.io/@haindpwn/libpff-table-parsing-oob-reads
• www.vulncheck.com/advisories/libpff-through-20260926-heap-out-of-bounds-read-via-libpff…