CVE-2017-14502
read_header in archive_read_support_format_rar.c in libarchive 3.3.2 suffers from an off-by-one error for UTF-16 names in RAR archives, leading to an out-of-bounds read in archive_read_format_rar_read_header.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.37%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
read_header in archive_read_support_format_rar.c in libarchive 3.3.2 suffers from an off-by-one error for UTF-16 names in RAR archives, leading to an out-of-bounds read in archive_read_format_rar_read_header.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 3.37% probability · 89th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-125, CWE-193
- Affected
- libarchive/libarchive
- Source
- cve@mitre.org
EPSS 3.4% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=573Issue Tracking, Third Party Advisory
- https://bugs.debian.org/875974Issue Tracking, Mailing List, Third Party Advisory
- https://github.com/libarchive/libarchive/commit/5562545b5562f6d12a4ef991fae158bf4ccf92b6Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/11/msg00037.html
- https://security.gentoo.org/glsa/201908-11
- https://usn.ubuntu.com/3859-1/
- https://www.debian.org/security/2018/dsa-4360
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=573Issue Tracking, Third Party Advisory
- https://bugs.debian.org/875974Issue Tracking, Mailing List, Third Party Advisory
- https://github.com/libarchive/libarchive/commit/5562545b5562f6d12a4ef991fae158bf4ccf92b6Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/11/msg00037.html
- https://security.gentoo.org/glsa/201908-11
- https://usn.ubuntu.com/3859-1/
- https://www.debian.org/security/2018/dsa-4360
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.