libarchive has 10 CVEs on record between 2025 and 2026. 1 was published in the last 90 days. The busiest recent month was March 2026 with 3. The median CVSS is 6.0 (medium). None have a confirmed exploitation report. The most common weakness class is CWE-190 (3).
CVEs per month
Last 12 months, by publish date
- Exploited share
- 0% vs 1% corpus
- Median CVSS
- 6.0
- Publish → KEV
- —
- Last 90 days
- 1 prev 2
Weakness classes
Products
- libarchive 10
Worst active — by depth score
CVE-2025-5914High· 7.8A vulnerability has been identified in the libarchive library, specifically within the archive_read_format_rar_seek_data() function55CVE-2025-5915Medium· 6.6A vulnerability has been identified in the libarchive library48CVE-2026-5121High· 7.5A flaw was found in libarchive41CVE-2026-4424High· 7.5A flaw was found in libarchive41CVE-2026-4426Medium· 6.5A flaw was found in libarchive36
libarchive vulnerabilities
CVEs affecting libarchive, newest first. Open any entry for full detail, references, and exploit status.
10 CVEsRSS
CVE-2025-64031Low· 2.5PoC⚖ disputedlibarchive 3.8.x before 3.8.2 has a strcpy heap-based buffer overflow in the gzip writer via the original-filename field to archive_compressor_gzip_open in archive_write_add_filter_gzip.c, aka GHSA-92wx-p669-8gr9
libarchive 3.8.x before 3.8.2 has a strcpy heap-based buffer overflow in the gzip writer via the original-filename field to archive_compressor_gzip_open in archive_write_add_filter_gzip.c, aka GHSA-92wx-p669-8gr9. This relates to bsdtar.…
CVE-2026-5745Medium· 5.5A flaw was found in libarchive
A flaw was found in libarchive. A NULL pointer dereference vulnerability exists in the ACL parsing logic, specifically within the archive_acl_from_text_nl() function. When processing a malformed ACL string (such as a bare "d" or "default…
CVE-2026-5121High· 7.5A flaw was found in libarchive
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 t…
CVE-2026-4424High· 7.5A flaw was found in libarchive
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 atta…
CVE-2026-4426Medium· 6.5A flaw was found in libarchive
A flaw was found in libarchive. An Undefined Behavior vulnerability exists in the zisofs decompression logic, caused by improper validation of a field (`pz_log2_bs`) read from ISO9660 Rock Ridge extensions. A remote attacker can exploit …
CVE-2025-5918Low· 3.9A vulnerability has been identified in the libarchive library
A vulnerability has been identified in the libarchive library. This flaw can be triggered when file streams are piped into bsdtar, potentially allowing for reading past the end of the file. This out-of-bounds read can lead to unintended …
CVE-2025-5917Low· 2.8A vulnerability has been identified in the libarchive library
A vulnerability has been identified in the libarchive library. This flaw involves an 'off-by-one' miscalculation when handling prefixes and suffixes for file names. This can lead to a 1-byte write overflow. While seemingly small, such an…
CVE-2025-5916Low· 3.9A vulnerability has been identified in the libarchive library
A vulnerability has been identified in the libarchive library. This flaw involves an integer overflow that can be triggered when processing a Web Archive (WARC) file that claims to have more than INT64_MAX - 4 content bytes. An attacker …
CVE-2025-5915Medium· 6.6PoCA vulnerability has been identified in the libarchive library
A vulnerability has been identified in the libarchive library. This flaw can lead to a heap buffer over-read due to the size of a filter block potentially exceeding the Lempel-Ziv-Storer-Schieber (LZSS) window. This means the library may…
CVE-2025-5914High· 7.8PoCA vulnerability has been identified in the libarchive library, specifically within the archive_read_format_rar_seek_data() function
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…