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CVE-2015-8934

16
FAUCET Score

CVE-2015-8934 describes an out-of-bounds heap read vulnerability in the libarchive library, specifically within the copy_from_lzss_window function, affecting versions 3.2.0 and earlier. This flaw can be triggered by remote attackers through a crafted RAR file, potentially leading to a denial of service. Rated MEDIUM with a CVSS score of 5.5, the vulnerability requires user interaction (UI:R) and local access (AV:L), but its impact is limited to availability (A:H) with no confidentiality or integrity compromise. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
12CPE matchmatch criteria
cpe:2.3:o:suse:linux_enterprise_desktop:12:sp1:*:*:*:*:*:*
12CPE matchmatch criteria
cpe:2.3:o:suse:linux_enterprise_server:12:sp1:*:*:*:*:*:*
12CPE matchmatch criteria
cpe:2.3:o:suse:linux_enterprise_software_development_kit:12:sp1:*:*:*:*:*:*
12.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
14.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.5MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.30%
Probability of exploitation in next 30 days
EPSS Percentile
81.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0230 is in the 91st percentile among its peer group of 5,765 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, 0.0 Bluesky, 0.0 Mastodon, and 0.1 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 (2)

github_advisorypatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: libarchive-0:3.1.2-10.el7_2
View patch

Vendor Advisories (1)

redhatCVE-2015-8934Low

libarchive: out of bounds heap read in RAR parser

Jun 17, 2016

References

lists.opensuse.org / opensuse-security-announce/2016-07/msg00025.html
Third Party Advisory
rhn.redhat.com / errata/RHSA-2016-1844.html
blog.fuzzing-project.org / 47-Many-invalid-memory-access-issues-in-libarchive.html
Third Party Advisory
github.com / libarchive/libarchive/issues/521
ExploitIssue TrackingPatchThird Party Advisory
security.gentoo.org / glsa/201701-03
debian.org / security/2016/dsa-3657
openwall.com / lists/oss-security/2016/06/17/2
Mailing ListThird Party Advisory
openwall.com / lists/oss-security/2016/06/17/5
Mailing ListThird Party Advisory
oracle.com / technetwork/topics/security/bulletinjul2016-3090568.html
oracle.com / technetwork/topics/security/linuxbulletinjul2016-3090544.html
securityfocus.com / bid/91409
ubuntu.com / usn/USN-3033-1
Third Party Advisory