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-rw-r--r--libarchive/archive_read_support_format_lha.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/libarchive/archive_read_support_format_lha.c b/libarchive/archive_read_support_format_lha.c
index b8ef4ae10ece..95c99bb1f31e 100644
--- a/libarchive/archive_read_support_format_lha.c
+++ b/libarchive/archive_read_support_format_lha.c
@@ -701,6 +701,12 @@ archive_read_format_lha_read_header(struct archive_read *a,
* Prepare variables used to read a file content.
*/
lha->entry_bytes_remaining = lha->compsize;
+ if (lha->entry_bytes_remaining < 0) {
+ archive_set_error(&a->archive,
+ ARCHIVE_ERRNO_FILE_FORMAT,
+ "Invalid LHa entry size");
+ return (ARCHIVE_FATAL);
+ }
lha->entry_offset = 0;
lha->entry_crc_calculated = 0;