HOMEVULNERABILITIESCVE-2019-14296
HIGH

CVE-2019-14296

CWE-119Published: July 27, 2019· Updated: Jun 17, 2026

7.8
CVSS v3.1

Official Description

canUnpack in p_vmlinx.cpp in UPX 3.95 allows remote attackers to cause a denial of service (SEGV or buffer overflow, and application crash) or possibly have unspecified other impact via a crafted UPX packed file.

NVD Source

Technical Analysis

CVE-2019-14296 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.

From a weakness classification perspective (CWE-119): Buffer overflow vulnerabilities can lead to arbitrary code execution or denial of service by corrupting adjacent memory.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Vendors & Products

upx1 product(s)
upx
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://github.com/upx/upx/issues/287
PATCHhttps://github.com/upx/upx/issues/287

All References (10)

→
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00003.html
→
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00007.html
→
https://github.com/upx/upx/issues/287Exploit · Patch · Third Party Advisory
→
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MOCJ43HTM45GZCAQ2FLEBDNBM76V22RG/
→
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T52JATXV6NTPTMGXCRGT37H6KXERYNZN/
→
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00003.html
→
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00007.html
→
https://github.com/upx/upx/issues/287Exploit · Patch · Third Party Advisory
→
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MOCJ43HTM45GZCAQ2FLEBDNBM76V22RG/
→
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T52JATXV6NTPTMGXCRGT37H6KXERYNZN/

Quick Facts

CVE IDCVE-2019-14296
CVSS Score7.8 / 10
SeverityHIGH
WeaknessCWE-119
CISA KEVNo
Affected1 vendor(s)
PublishedJul 27, 2019

Related CVEs (CWE-119)

CVE-2012-5962
10.0
CVE-2002-2251
10.0
CVE-2012-5965
10.0
CVE-2012-5964
10.0
CVE-2012-5963
10.0
CVE-2012-5961
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2019-14296 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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