pacman before 5.2 is vulnerable to arbitrary command injection in conf.c in the download_with_xfercommand() function. This can be…

Description

pacman before 5.2 is vulnerable to arbitrary command injection in conf.c in the download_with_xfercommand() function. This can be exploited when unsigned databases are used. To exploit the vulnerability, the user must enable a non-default XferCommand and retrieve an attacker-controlled crafted database and package.

Scores

EPSS (exploitation in 30 days)

3.7% · top 10% of all CVEs (6 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.

Weakness

• n/a
• CWE-78 (opens in a new tab)All about CWE-78 and its CVEs

Affected products

• n/a

  • affected n/a

References (6)

• https://git.archlinux.org/pacman.git/tree/src/pacman/conf.c?h=v5.1.3#n263 (opens in a new tab)x_refsource_MISCx_transferred
• https://git.archlinux.org/pacman.git/commit/?id=808a4f15ce82d2ed7eeb06de73d0f313620558ee (opens in a new tab)x_refsource_MISCx_transferred
• https://github.com/alpinelinux/alpine-secdb/blob/master/v3.11/community.yaml (opens in a new tab)x_refsource_CONFIRMx_transferred
• FEDORA-2020-096fbcc91f (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
• FEDORA-2020-781d0b2efe (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
• FEDORA-2020-419a75aef6 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2019-18182](https://trackcve.app/badge/CVE-2019-18182.svg)](https://trackcve.app/cve/CVE-2019-18182)

Record last updated 5 Aug 2024, 01:47 UTC.