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CVE-2017-14503

23
FAUCET Score

CVE-2017-14503 describes an out-of-bounds read vulnerability in libarchive 3.3.2, specifically within the lha_read_data_none() function, which occurs when processing a specially crafted LHA archive. This medium-severity vulnerability (CVSS 6.5) can lead to a denial of service (availability impact) and requires user interaction, as it involves opening a malicious file. 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
3.3.2CPE matchmatch criteria
cpe:2.3:a:libarchive:libarchive:3.3.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.5MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.96%
Probability of exploitation in next 30 days
EPSS Percentile
78.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0196 is in the 89th percentile among its peer group of 26,221 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 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 (3)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: libarchive-0:3.1.2-12.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: libarchive-0:3.3.2-7.el8
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: libarchive

Vendor Advisories (1)

redhatCVE-2017-14503Low

libarchive: Out-of-bounds read in lha_read_data_none

Sep 16, 2017

References

access.redhat.com / errata/RHSA-2019:2298
access.redhat.com / errata/RHSA-2019:3698
bugs.debian.org / 875960
Issue TrackingMailing ListThird Party Advisory
github.com / libarchive/libarchive/issues/948
Third Party Advisory
lists.debian.org / debian-lts-announce/2018/11/msg00037.html
security.gentoo.org / glsa/201908-11
usn.ubuntu.com / 3736-1
debian.org / security/2018/dsa-4360