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CVE-2019-14296

canUnpack in p_vmlinx.cpp in UPX 3.95 allows remote attackers to cause a denial of service (SEGV...

7.8 HighFix available

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.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

1.80%Down 0.1 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 7.8

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.

Record
CVE-2019-14296
CVSS 3.0
7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0
6.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:P
Weakness
CWE-119
Updated
2026-11-02
CVE List No score

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.

Record
CVE-2019-14296
Updated
2026-11-02
EUVDEUVD-2019-5523 No score

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.

Record
EUVD-2019-5523
Updated
2026-11-03
GitHub AdvisoriesGHSA-528r-q74g-hxwp 7.8

canUnpack in p_vmlinx.cpp in UPX 3.95 allows remote attackers to cause a denial of service (SEGV...

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.

Record
GHSA-528r-q74g-hxwp
CVSS 3.0
7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-119
Updated
2026-11-02
OSVALPINE-CVE-2019-14296 7.8

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.

Record
ALPINE-CVE-2019-14296
CVSS 3.0
7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-03
OSVBELL-CVE-2019-14296 7.8

CVE-2019-14296 does not affect BellSoft software

Record
BELL-CVE-2019-14296
CVSS 3.0
7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
Show 7 moreShow less
OSV 7.8

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.

Record
CVE-2019-14296
CVSS 3.0
7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2019-14296 7.8

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.

Record
DEBIAN-CVE-2019-14296
CVSS 3.0
7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2019-14296 7.8

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.

Record
UBUNTU-CVE-2019-14296
CVSS 3.0
7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVMGASA-2020-0012 No score

Updated upx packages fix security vulnerability

The updated package fixes security vulnerabilities:

An Integer overflow in the getElfSections function in p_vmlinx.cpp in UPX 3.95 allows remote attackers to cause a denial of service (crash) via a skewed offset larger than the size of the PE section in a UPX packed executable, which triggers an allocation of excessive memory. (CVE-2019-14295)

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. (CVE-2019-14296)

Record
MGASA-2020-0012
Updated
2026-11-02
OSVopenSUSE-SU-2020:0163-1 No score

Security update for upx

This update for upx to version 3.96 fixes the following issues:

  • CVE-2019-1010048: Fixed a denial of service in PackLinuxElf32::PackLinuxElf32help1() (boo#1141777).

  • CVE-2019-14296: Fixed a denial of service in canUnpack() (boo#1143839).

  • CVE-2019-20021: Fixed a heap-based buffer over-read in canUnpack() (boo#1159833).

  • CVE-2019-20053: Fixed a denial of service in canUnpack() (boo#1159920).

  • CVE-2018-11243: Fixed a denial of service in PackLinuxElf64::unpack() (boo#1094138).

  • Update to version 3.96

    • Bug fixes: [CVE-2019-1010048, boo#1141777] [CVE-2019-14296, boo#1143839] [CVE-2019-20021, boo#1159833] [CVE-2019-20053, boo#1159920] [CVE-2018-11243 partially - ticket 206 ONLY, boo#1094138]

  • Update to version 3.95

    • Flag --force-pie when ET_DYN main program is not marked as DF_1_PIE
    • Better compatibility with varying layout of address space on Linux
    • Support for 4 PT_LOAD layout in ELF generated by binutils-2.31
    • bug fixes, particularly better diagnosis of malformed input
    • bug fixes - see https://github.com/upx/upx/milestone/4
Record
openSUSE-SU-2020:0163-1
Updated
2026-11-02
OSVopenSUSE-SU-2020:0180-1 No score

Security update for upx

This update for upx to version 3.96 fixes the following issues:

  • CVE-2019-1010048: Fixed a denial of service in PackLinuxElf32::PackLinuxElf32help1() (boo#1141777).

  • CVE-2019-14296: Fixed a denial of service in canUnpack() (boo#1143839).

  • CVE-2019-20021: Fixed a heap-based buffer over-read in canUnpack() (boo#1159833).

  • CVE-2019-20053: Fixed a denial of service in canUnpack() (boo#1159920).

  • CVE-2018-11243: Fixed a denial of service in PackLinuxElf64::unpack() (boo#1094138).

  • Update to version 3.96

    • Bug fixes: [CVE-2019-1010048, boo#1141777] [CVE-2019-14296, boo#1143839] [CVE-2019-20021, boo#1159833] [CVE-2019-20053, boo#1159920] [CVE-2018-11243 partially - ticket 206 ONLY, boo#1094138]

  • Update to version 3.95

    • Flag --force-pie when ET_DYN main program is not marked as DF_1_PIE
    • Better compatibility with varying layout of address space on Linux
    • Support for 4 PT_LOAD layout in ELF generated by binutils-2.31
    • bug fixes, particularly better diagnosis of malformed input
    • bug fixes - see https://github.com/upx/upx/milestone/4

This update was imported from the openSUSE:Leap:15.1:Update update project.

Record
openSUSE-SU-2020:0180-1
Updated
2026-11-02
OSVopenSUSE-SU-2024:11486-1 No score

upx-3.96-3.2 on GA media

These are all security issues fixed in the upx-3.96-3.2 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:11486-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
upx
Alpine:v3.12
 before 3.96-r0
3.96-r0
upx
Alpine:v3.13
 before 3.96-r0
3.96-r0
upx
Alpine:v3.14
 before 3.96-r0
3.96-r0
upx
Alpine:v3.15
 before 3.96-r0
3.96-r0
upx
Alpine:v3.16
 before 3.96-r0
3.96-r0
upx
Alpine:v3.17
 before 3.96-r0
3.96-r0
upx
Alpine:v3.18
 before 3.96-r0
3.96-r0
upx
Alpine:v3.19
 before 3.96-r0
3.96-r0
upx
Alpine:v3.20
 before 3.96-r0
3.96-r0
upx
Alpine:v3.21
 before 3.96-r0
3.96-r0
Show 11 moreShow less
Affected packages
PackageAffectedFixed
upx
Alpine:v3.22
 before 3.96-r0
3.96-r0
upx
Alpine:v3.23
 before 3.96-r0
3.96-r0
upx
Alpine:v3.24
 before 3.96-r0
3.96-r0
upx-ucl
Debian:13
 before 3.95-2
3.95-2
upx-ucl
Debian:14
 before 3.95-2
3.95-2
upx
Mageia:7
From an advisory covering 2 CVEs
 before 3.95-1.1.mga7
3.95-1.1.mga7
upx-ucl
Ubuntu:16.04:LTS
 All versions, plus listed versions
3.91-1
 None known
upx-ucl
Ubuntu:18.04:LTS
 All versions, plus listed versions
3.94-23.94-33.94-4
 None known
upx
openSUSE:Leap 15.1
From an advisory covering 5 CVEs
 before 3.96-lp151.3.3.1
3.96-lp151.3.3.1
upx
SUSE:Package Hub 15 SP1
From an advisory covering 5 CVEs
 before 3.96-bp151.4.3.1
3.96-bp151.4.3.1
upx
openSUSE:Tumbleweed
From an advisory covering 7 CVEs
 before 3.96-3.2
3.96-3.2

History

History
RecordedChangedSources
affected, facts
affected, aliases, referencesOSV
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2019-14296 is a high vulnerability (CVSS 7.8) in Upx, published July 27, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.80%, the 78th percentile. Fixed in upx 3.96-r0.

References

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