CVE-2020-27350

apt integer wraparound

MEDIUM
5.7
CVSS Score
Published: December 10, 2020 at 04:05 AM UTC
Updated: June 17, 2026 at 03:09 AM UTC
6 products affected across 3 vendorsSolidfire Baseboard Management Controller FirmwareAdvanced Package ToolDebian Linux

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Severity
MEDIUM5.7
Exploit prediction
EPSS 0.4%

Description

APT had several integer overflows and underflows while parsing .deb packages, aka GHSL-2020-168 GHSL-2020-169, in files apt-pkg/contrib/extracttar.cc, apt-pkg/deb/debfile.cc, and apt-pkg/contrib/arfile.cc. This issue affects: apt 1.2.32ubuntu0 versions prior to 1.2.32ubuntu0.2; 1.6.12ubuntu0 versions prior to 1.6.12ubuntu0.2; 2.0.2ubuntu0 versions prior to 2.0.2ubuntu0.2; 2.1.10ubuntu0 versions prior to 2.1.10ubuntu0.1;

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 1.8.2.21.2.32ubuntu0 ≤ v < 1.2.32ubuntu0.21.6.12ubuntu0 ≤ v < 1.6.12ubuntu0.22.0.2ubuntu0 ≤ v < 2.0.2ubuntu0.22.1.10ubuntu0 ≤ v < 2.1.10ubuntu0.2
Affected range stops below 1.2.32ubuntu0.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.6.12ubuntu0.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.8.2.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.0.2ubuntu0.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.1.10ubuntu0.2, so it looks safe — our inference, not a vendor statement
canonical-ubuntu-linux (environment) · debian-debian-linux (environment)
All versions
netapp-solidfire-baseboard-management-controller (same device)
1.2.32ubuntu0 ≤ v < 1.2.32ubuntu0.21.6.12ubuntu0 ≤ v < 1.6.12ubuntu0.22.0.2ubuntu0 ≤ v < 2.0.2ubuntu0.22.1.10ubuntu0 ≤ v < 2.1.10ubuntu0.11.2.32ubuntu01.6.12ubuntu02.0.2ubuntu02.1.10ubuntu0
Affected range stops below 1.2.32ubuntu0.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.6.12ubuntu0.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.0.2ubuntu0.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.1.10ubuntu0.1, so it looks safe — our inference, not a vendor statement
80%
All versions
80%
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (4)

CVSS

5.7MEDIUMcanonical
Attack Vector
LOCAL
Complexity
LOW
Privileges
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
LOW
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-190

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