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7zip heap buffer overflow when unzipping compressed files
published 3 months ago
Summary
A security issue affects 7zip when unzipping certain compressed files. This could potentially allow an attacker to execute malicious code on your system. We recommend updating to the latest version of 7zip to fix this issue.
What to do
- Update mageia 7zip to version 26.02-1.mga10.
Affected software
| Ecosystem | Vendor | Product | Affected versions |
|---|---|---|---|
| Mageia:10 | mageia | 7zip |
< 26.02-1.mga10 Fix: upgrade to 26.02-1.mga10
|
Original advisory text
Updated 7zip packages fix a security vulnerability
7-Zip has a heap buffer overflow via NTFS compressed stream buffer
under-allocation. (CVE-2026-48095)
under-allocation. (CVE-2026-48095)
References
- https://advisories.mageia.org/MGASA-2026-0238.html Vendor Advisory
- https://bugs.mageia.org/show_bug.cgi?id=35647 Third Party Advisory
- https://lists.opensuse.org/archives/list/[email protected]/me... URL
- https://securitylab.github.com/advisories/GHSL-2026-140_7-Zip/ Vendor Advisory
- https://lists.fedoraproject.org/archives/list/[email protected]... URL
- https://lists.fedoraproject.org/archives/list/[email protected]... URL
Timeline
Published9 Jul 2026
Updated9 Jul 2026
First seen9 Jul 2026
Sources
MGASA-2026-0238 · OSV
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