PT-2025-29940 · Igor Pavlov+2 · 7-Zip+2

Jarlob + 1 · Published 2025-04-24 · Updated 2026-02-26 · CVE-2025-53816

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions 7-Zip versions prior to 25.0.0

Description 7-Zip is a file archiver with a high compression ratio. A flaw exists in the RAR5 handler where writing zeroes outside of the heap buffer can cause memory corruption and denial of service.

Recommendations Update to version 25.0.0 or later.

Exploit

Fix

DoS

Heap Based Buffer Overflow

Weakness Enumeration

CWE-122

Related Identifiers

BDU:2025-08797

CVE-2025-53816

OPENSUSE-SU-2025:15523-1

OPENSUSE-SU-2026:20273-1

SUSE-SU-2026:20592-1

Affected Products

7-Zip

Debian

Red Os

References · 43

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/53xxx/CVE-2025-53816.json · Exploit
• 🔥 https://openwall.com/lists/oss-security/2025/07/18/1 · Exploit
• 🔥 https://securitylab.github.com/advisories/GHSL-2025-058_7-Zip · Exploit
• https://wiki.astralinux.ru/astra-linux-se47-bulletin-2025-1216SE312 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:20592-1 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2025:15523-1 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-53816 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2026:20273-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-53816 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-08797 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2025-53816 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2025-53816 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2025-53816 · Security Note
• https://wiki.astralinux.ru/astra-linux-se18-bulletin-2026-0224SE18 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2025-53816 · Vendor Advisory