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CVE-2019-18183
pacman before 5.2 is vulnerable to arbitrary command injection in lib/libalpm/sync.c in the apply_deltas() function. This can be exploited…
Critical9.8EPSS 3.7%
- Published
- Updated
- Reserved
- Assigned by
- mitre
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 3.7% · top 10% of all CVEs (6 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Weakness
Affected products
n/a
- affected n/a
References (6)
- https://git.archlinux.org/pacman.git/tree/lib/libalpm/sync.c?h=v5.1.3#n767 (opens in a new tab)x_refsource_MISCx_transferred
- https://git.archlinux.org/pacman.git/commit/?id=c0e9be7973be6c81b22fde91516fb8991e7bb07b (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_MISCx_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
[](https://trackcve.app/cve/CVE-2019-18183)Record last updated .