Description
libyal libmsiecf through 20260525 contains a double free vulnerability in libmsiecf_url_values_read_data() that allows attackers to corrupt heap memory via crafted partial URL records. Attackers can supply a crafted MSIE cache index.dat file whose recovered partial record has an oversized unknown_offset, crashing forensic tools processing it.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
libyal libmsiecf
Default version status: unaffected
0 to ≤ 20260525affected
pkg:github/libyal/libmsiecfReferences
- https://github.com/libyal/libmsiecf/issues/6 ↗
- https://github.com/libyal/libmsiecf ↗
- https://github.com/libyal/libmsiecf/commit/a99a703d190d62f6c21b6225cf84ce80037e45d5 ↗
- https://github.com/libyal/libmsiecf/blob/20260525/libmsiecf/libmsiecf_url_values.c#L824 ↗
- https://hackmd.io/@haindpwn/libmsiecf-url-record-partial-recovery-double-free ↗
- https://www.vulncheck.com/advisories/libyal-libmsiecf-through-20260525-double-free-via-libmsiecf-url-values-read-data ↗