https://seclists.org/oss-sec/2026/q2/719: Various memory access violations in 7-Zip
Published May 28, 2026
·Updated
Affected Software
2 affected components
7-Zip 7-Zip (32-bit)>=9.18<=26.00
7-Zip 7-Zip>=9.11<=26.00, >=9.18<=26.00, >=9.21<=26.00, >=9.34<=26.00, =26.00
Frequently Asked Questions
1
What is the severity of CVE-2026-XXXX and CVE-2026-XXXX?
The severity of the memory access violations in 7-Zip has been classified as high due to potential exploitation concerns.
2
How do I fix CVE-2026-XXXX and CVE-2026-XXXX?
To fix the memory access violations in 7-Zip, update to version 26.01 or later.
3
What software versions are affected by CVE-2026-XXXX and CVE-2026-XXXX?
The affected software versions include 7-Zip 32-bit and 7-Zip standard versions prior to 26.01.
4
What kind of vulnerabilities are reported in CVE-2026-XXXX and CVE-2026-XXXX?
CVE-2026-XXXX and CVE-2026-XXXX report memory access violations that could lead to crashes or code execution.
5
Who has published advisories regarding CVE-2026-XXXX and CVE-2026-XXXX?
GitHub's Security Lab has published advisories about the memory access violations in 7-Zip.