VulnerabilityModified
CVE-2015-8920
The _ar_read_header function in archive_read_support_format_ar.c in libarchive before 3.2.0 allows remote attackers to cause a denial of service (out-of-bounds stack read) via a crafted ar file.
MEDIUM 5.5EPSS 1.92%
Does this matter?
Lower severity and a low EPSS score (1.92%). Track it; it rarely justifies an emergency change on its own.
Description
The _ar_read_header function in archive_read_support_format_ar.c in libarchive before 3.2.0 allows remote attackers to cause a denial of service (out-of-bounds stack read) via a crafted ar file.
- CVSS 3.0
- 5.5 MEDIUMCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- EPSS
- 1.92% probability · 80th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-125
- Affected
- novell/suse linux enterprise software development kit · novell/suse linux enterprise desktop · novell/suse linux enterprise server · canonical/ubuntu linux · libarchive/libarchive
- Source
- cve@mitre.org
EPSS moved from 3.3% on 21 September 2026 to 1.9% on 26 October 2026.
References
- http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00025.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-1844.html
- http://rhn.redhat.com/errata/RHSA-2016-1850.html
- http://www.debian.org/security/2016/dsa-3657
- http://www.openwall.com/lists/oss-security/2016/06/17/2Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/06/17/5Third Party Advisory
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
- http://www.securityfocus.com/bid/91301
- http://www.ubuntu.com/usn/USN-3033-1Third Party Advisory
- https://blog.fuzzing-project.org/47-Many-invalid-memory-access-issues-in-libarchive.htmlThird Party Advisory
- https://github.com/libarchive/libarchive/issues/511
- https://security.gentoo.org/glsa/201701-03
- http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00025.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-1844.html
- http://rhn.redhat.com/errata/RHSA-2016-1850.html
- http://www.debian.org/security/2016/dsa-3657
- http://www.openwall.com/lists/oss-security/2016/06/17/2Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/06/17/5Third Party Advisory
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
- http://www.securityfocus.com/bid/91301
- http://www.ubuntu.com/usn/USN-3033-1Third Party Advisory
- https://blog.fuzzing-project.org/47-Many-invalid-memory-access-issues-in-libarchive.htmlThird Party Advisory
- https://github.com/libarchive/libarchive/issues/511
- https://security.gentoo.org/glsa/201701-03
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.