Libarchive vulnerabilities
We track 9 vulnerabilities in Libarchive products. 9 are rated high or critical, and none are known to be exploited. The most recent was published on March 30, 2026.
Latest Libarchive vulnerabilities
- 7.5 High severity
Red Hat Enterprise Linux 7 Extended Lifecycle…: Integer Overflow or Wraparound
A flaw was found in libarchive. On 32-bit systems, an integer overflow vulnerability exists in the zisofs block pointer allocation logic. A remote attacker can exploit this by providing a specially crafted ISO9660 image, which can lead to a heap buffer overflo
- 7.5 High severity
Red Hat Enterprise Linux 10: Out-of-bounds Read
A flaw was found in libarchive. This heap out-of-bounds read vulnerability exists in the RAR archive processing logic due to improper validation of the LZSS sliding window size after transitions between compression methods. A remote attacker can exploit this b
- 7.8 High severity
Red Hat Enterprise Linux 10: Integer Overflow or Wraparound
A vulnerability has been identified in the libarchive library, specifically within the archive_read_format_rar_seek_data() function. This flaw involves an integer overflow that can ultimately lead to a double-free condition. Exploiting a double-free vulnerabil
- 7.5 High severity
Libarchive: NULL Pointer Dereference
Null Pointer Dereference vulnerability in libarchive 3.7.6 and earlier when running program bsdtar in function header_pax_extension at rchive_read_support_format_tar.c:1844:8.
- 7.8 High severity
libarchive: Unchecked Return Value
list_item_verbose in tar/util.c in libarchive through 3.7.7 does not check an strftime return value, which can lead to a denial of service or unspecified other impact via a crafted TAR archive that is read with a verbose value of 2. For example, the 100-byte b
- 7.8 High severity
libarchive: Out-of-bounds Read
execute_filter_delta in archive_read_support_format_rar.c in libarchive before 3.7.5 allows out-of-bounds access via a crafted archive file because src can move beyond dst.
- 7.8 High severity
libarchive: Out-of-bounds Read
execute_filter_audio in archive_read_support_format_rar.c in libarchive before 3.7.5 allows out-of-bounds access via a crafted archive file because src can move beyond dst.
- 9.1 Critical severity
libarchive: Out-of-bounds Read
Libarchive before 3.7.4 allows name out-of-bounds access when a ZIP archive has an empty-name file and mac-ext is enabled. This occurs in slurp_central_directory in archive_read_support_format_zip.c.
- 9.8 Critical severity
Libarchive: NULL Pointer Dereference
In libarchive before 3.6.2, the software does not check for an error after calling calloc function that can return with a NULL pointer if the function fails, which leads to a resultant NULL pointer dereference. NOTE: the discoverer cites this CWE-476 remark bu