Medium [CVE-2026-78322] File-roller: file-roller: stack buffer overflow in parse_progress_line for 7z and rar handlers
This medium-severity Red Hat Linux advisory covers CVE-2026-78322 affecting Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8.
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Summary
A flaw was found in file-roller. The vulnerability, a stack buffer overflow, occurs when file paths from archive entries exceed fixed-size buffers during progress line parsing, causing the application to terminate.
Exploitation requires user interaction and is difficult for arbitrary code execution on hardened Red Hat systems. Red Hat severity: Moderate — CVSS 6.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H).
Weakness: CWE-120. Affected Red Hat products: Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8.
Red Hat does not currently list a fixing RHSA for this CVE.
Affected products named by the advisory: Red Hat package: file-roller.src; Red Hat package: file-roller-nautilus.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
Fixed versions
No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
Mitigation checklist
- Avoid opening or extracting untrusted 7z or RAR archives with file-roller until an updated package is installed.
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
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