Out-of-bounds Read in Libarchive

CVE-2015-8934

The copy_from_lzss_window function in archive_read_support_format_rar.c in libarchive 3.2.0 and earlier allows remote attackers to cause a denial of service (out-of-bounds heap read) via a crafted rar file.

Vulnerability class: Buffer Overflow

EPSS: 0.023 (81.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2015-8934?
CVE-2015-8934 is a medium-severity vulnerability in Libarchive, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2016-09-20.
How severe is CVE-2015-8934?
Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2015-8934 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.