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CVE-2015-8927

16
FAUCET Score

CVE-2015-8927 describes an out-of-bounds heap read vulnerability in the trad_enc_decrypt_update function of libarchive versions prior to 3.2.0. This flaw allows remote attackers to trigger a denial of service by providing a specially crafted ZIP file, affecting products that utilize the libarchive library. The vulnerability has a CVSSv3 score of 5.5 (Medium), indicating a local attack vector with low complexity, requiring user interaction, and primarily leading to high availability impact (crash). There is no evidence of active exploitation, publicly available exploit code, or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.1.901aCPE matchmatch criteria
cpe:2.3:a:libarchive:libarchive:*:*:*:*:*:*:*:*

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
1.53%
Probability of exploitation in next 30 days
EPSS Percentile
72.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0153 is in the 83rd percentile among its peer group of 5,760 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

Vendor Advisories (1)

redhatCVE-2015-8927Low

libarchive: Heap out of bounds read when reading password for malformed ZIP

Jun 17, 2016

References

blog.fuzzing-project.org / 47-Many-invalid-memory-access-issues-in-libarchive.html
Third Party Advisory
github.com / libarchive/libarchive/issues/523
ExploitIssue TrackingThird Party Advisory
security.gentoo.org / glsa/201701-03
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
securityfocus.com / bid/91329