What’s Vulnerable › Vulnerabilities

CVE-2021-27347

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-06-10 · updated 2026-06-17
• Weakness: CWE-416

Description

Use after free in lzma_decompress_buf function in stream.c in Irzip 0.631 allows attackers to cause Denial of Service (DoS) via a crafted compressed file.

Affected products

• Debian Linux: 9.0
• Long Range Zip Project Long Range Zip: 0.631

References

• https://github.com/ckolivas/lrzip/issues/165
• https://lists.debian.org/debian-lts-announce/2022/04/msg00012.html
• https://github.com/ckolivas/lrzip/issues/165
• https://lists.debian.org/debian-lts-announce/2022/04/msg00012.html

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