diff options
Diffstat (limited to 'libarchive/archive_ppmd7.c')
| -rw-r--r-- | libarchive/archive_ppmd7.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/libarchive/archive_ppmd7.c b/libarchive/archive_ppmd7.c index fe0b0318cc050..1aed922db6568 100644 --- a/libarchive/archive_ppmd7.c +++ b/libarchive/archive_ppmd7.c @@ -126,6 +126,11 @@ static Bool Ppmd7_Alloc(CPpmd7 *p, UInt32 size, ISzAlloc *alloc) { if (p->Base == 0 || p->Size != size) { + /* RestartModel() below assumes that p->Size >= UNIT_SIZE + (see the calculation of m->MinContext). */ + if (size < UNIT_SIZE) { + return False; + } Ppmd7_Free(p, alloc); p->AlignOffset = #ifdef PPMD_32BIT |