Rpm: command injection in rpmuncompress via unescaped filenames passed to popen()
Historical advisory recorded 6 Nov 2026 02:36:20 UTC. Read the latest advisory.
cve-program · CVE-2026-84838
PublishedA flaw was found in rpmuncompress. This command injection vulnerability allows a local attacker to execute arbitrary commands. This occurs when rpmuncompress processes a specially crafted archive filename containing shell metacharacters, which are not properly escaped before being passed to shell command strings. Successful exploitation requires user interaction, where a user or automated workflow invokes rpmuncompress on the malicious file, leading to high impact on the confidentiality, integrity, and availability of data accessible to the invoking user.
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cve-program · CVE-2026-84838
PublishedRpm: command injection in rpmuncompress via unescaped filenames passed to popen()
A flaw was found in rpmuncompress. This command injection vulnerability allows a local attacker to execute arbitrary commands. This occurs when rpmuncompress processes a specially crafted archive filename containing shell metacharacters, which are not properly escaped before being passed to shell command strings. Successful exploitation requires user interaction, where a user or automated workflow invokes rpmuncompress on the malicious file, leading to high impact on the confidentiality, integrity, and availability of data accessible to the invoking user.
- Source published
- 2 Sep 2026 15:13:02 UTC
- Source modified
- 6 Nov 2026 01:07:34 UTC
- Saved here
- 6 Nov 2026 02:36:20 UTC
- Source terms
- CVE Program Terms of Use
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Source: cve-program · CVE Program Terms of Use. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.
CVSS 3.1 · 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H