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CVE-2016-8689

20
FAUCET Score

CVE-2016-8689 describes an out-of-bounds read vulnerability in the libarchive library, specifically within the read_Header function when processing 7zip archives. This flaw allows remote attackers to trigger a denial of service by crafting a 7zip archive with multiple EmptyStream attributes in its header, affecting products like libarchive leap and opensuse libarchive. Rated with a CVSS score of 7.5 (High), the vulnerability is easily exploitable over the network with low attack complexity, leading to a high impact on availability. There is no evidence of active exploitation, nor are there known public exploits or Metasploit modules available, and it has received minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
3.2.1CPE matchmatch criteria
cpe:2.3:a:libarchive:libarchive:3.2.1:*:*:*:*:*:*:*
42.2CPE matchmatch criteria
cpe:2.3:o:opensuse:leap:42.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
3.28%
Probability of exploitation in next 30 days
EPSS Percentile
87.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0328 is in the 77th percentile among its peer group of 51,485 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

gentoopatch availablevia nvd_reference
View patch
github_advisorypatch availablevia nvd_reference
View patch
redhatpatch availablevia nvd_reference
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: libarchive

Vendor Advisories (1)

redhatCVE-2016-8689Low

libarchive: heap based buffer overflow in read_header (archive_read_support_format_7zip.c)

Sep 15, 2016

References

lists.opensuse.org / opensuse-updates/2016-12/msg00027.html
Third Party Advisory
blogs.gentoo.org / ago/2016/09/11/libarchive-bsdtar-heap-based-buffer-overflow-in-read_header-archive_read_support_format_7zip-c
PatchThird Party AdvisoryVDB Entry
bugzilla.redhat.com / show_bug.cgi
Issue TrackingPatch
github.com / libarchive/libarchive/commit/7f17c791dcfd8c0416e2cd2485b19410e47ef126
Issue TrackingPatchThird Party Advisory
lists.debian.org / debian-lts-announce/2018/11/msg00037.html
security.gentoo.org / glsa/201701-03
PatchThird Party AdvisoryVDB Entry
openwall.com / lists/oss-security/2016/10/16/11
Mailing ListPatchThird Party Advisory
securityfocus.com / bid/93781
Third Party AdvisoryVDB Entry