CVE-2018-11243

Upstream information

CVE-2018-11243 at MITRE

Description

PackLinuxElf64::unpack in p_lx_elf.cpp in UPX 3.95 allows remote attackers to cause a denial of service (double free), limit the ability of a malware scanner to operate on the entire original data, or possibly have unspecified other impact via a crafted file.

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SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having important severity.

CVSS v2 Scores

CVSS detail	National Vulnerability Database
Base Score	6.8
Vector	AV:N/AC:M/Au:N/C:P/I:P/A:P
Access Vector	Network
Access Complexity	Medium
Authentication	None
Confidentiality Impact	Partial
Integrity Impact	Partial
Availability Impact	Partial

CVSS v3 Scores

CVSS detail	National Vulnerability Database
Base Score	7.8
Vector	CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector	Local
Attack Complexity	Low
Privileges Required	None
User Interaction	Required
Scope	Unchanged
Confidentiality Impact	High
Integrity Impact	High
Availability Impact	High
CVSSv3 Version	3

SUSE Bugzilla entry: 1094138 [RESOLVED / FIXED]

SUSE Security Advisories:

• openSUSE-SU-2020:0162-1, published Thu Dec 7 12:55:39 2023
• openSUSE-SU-2020:0163-1, published Thu Dec 7 12:55:39 2023
• openSUSE-SU-2020:0179-1, published Thu Dec 7 12:55:39 2023
• openSUSE-SU-2020:0180-1, published Thu Dec 7 12:55:39 2023

List of released packages

Product(s)	Fixed package version(s)	References
SUSE Package Hub 15 SP1	libucl1 >= 1.03-bp151.4.3.1 ucl-devel >= 1.03-bp151.4.3.1 upx >= 3.96-bp151.4.3.1	Patchnames: openSUSE-2020-179 openSUSE-2020-180
openSUSE Leap 15.1	libucl1 >= 1.03-lp151.3.3.1 ucl-devel >= 1.03-lp151.3.3.1 upx >= 3.96-lp151.3.3.1	Patchnames: openSUSE-2020-162 openSUSE-2020-163
openSUSE Tumbleweed	libucl1 >= 1.03-4.9 ucl-devel >= 1.03-4.9 upx >= 3.96-3.2	Patchnames: openSUSE-Tumbleweed-2024-11477 openSUSE-Tumbleweed-2024-11486

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SUSE Timeline for this CVE

CVE page created: Fri May 18 21:24:13 2018
CVE page last modified: Sat Nov 1 21:08:12 2025