CVE-2019-18183

CRITICAL
9.8
CVSS Score
Published: February 24, 2020 at 02:36 PM UTC
Updated: June 17, 2026 at 02:24 AM UTC
2 products affected across 2 vendorsFedoraPacman

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Severity
CRITICAL9.8
Exploit prediction
EPSS 4%

Description

pacman before 5.2 is vulnerable to arbitrary command injection in lib/libalpm/sync.c in the apply_deltas() function. This can be exploited when unsigned databases are used. To exploit the vulnerability, the user must enable the non-default delta feature and retrieve an attacker-controlled crafted database and delta file.

Affected

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

v < 5.2
Affected range stops below 5.2, so it looks safe — our inference, not a vendor statement

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-78

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