DEBIAN-CVE-2021-43311

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Source
https://security-tracker.debian.org/tracker/CVE-2021-43311
Import Source
https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2021-43311.json
JSON Data
https://api.test.osv.dev/v1/vulns/DEBIAN-CVE-2021-43311
Upstream
Published
2023-03-24T20:15:08.223Z
Modified
2025-11-17T04:23:10.001190Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

A heap-based buffer overflow was discovered in upx, during the generic pointer 'p' points to an inaccessible address in func getle32(). The problem is essentially caused in PackLinuxElf32::elflookup() at plxelf.cpp:5382.

References

Affected packages

Debian:11 / upx-ucl

Package

Name
upx-ucl
Purl
pkg:deb/debian/upx-ucl?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

3.*

3.96-2
3.96-2+deb11u1
3.96-3

4.*

4.2.2-1
4.2.2-2
4.2.2-3~bpo12+1
4.2.2-3
4.2.4-1
4.2.4-1.1

Ecosystem specific 

{
    "urgency": "unimportant"
}

Database specific

source

"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2021-43311.json"

Debian:13 / upx-ucl

Package

Name
upx-ucl
Purl
pkg:deb/debian/upx-ucl?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.2.2-1

Ecosystem specific 

{
    "urgency": "unimportant"
}

Database specific

source

"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2021-43311.json"

Debian:14 / upx-ucl

Package

Name
upx-ucl
Purl
pkg:deb/debian/upx-ucl?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.2.2-1

Ecosystem specific 

{
    "urgency": "unimportant"
}

Database specific

source

"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2021-43311.json"