CVE-2021-27347 — Use After Free in Linux

CWE-416 — Use After Free7 documents6 sources
Severity
5.5MEDIUMNVD
EPSS
0.4%
top 39.91%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Ckolivas LrzipDebian LinuxLong Range ZIP Project Long Range ZIP
Timeline
PublishedJun 10
Latest updateFeb 2

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.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages3 packages

▶Debianckolivas/lrzip< 0.640-1+3
▶Ubuntuckolivas/lrzip< 0.631-1+deb9u3build0.18.04.1+4

Also affects: Debian Linux 9.0

Patches

Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

4
OSV
lrzip vulnerabilities↗2023-02-02
▶
GHSA
GHSA-664h-5fq8-8969: Use after free in lzma_decompress_buf function in stream↗2022-05-24
▶
CVEList
CVE-2021-27347: Use after free in lzma_decompress_buf function in stream↗2021-06-10
▶
OSV
CVE-2021-27347: Use after free in lzma_decompress_buf function in stream↗2021-06-10
▶

📋Vendor Advisories

2
Ubuntu
Long Range ZIP vulnerabilities↗2023-02-02
▶
Debian
CVE-2021-27347: lrzip - Use after free in lzma_decompress_buf function in stream.c in Irzip 0.631 allows...↗2021
▶
CVE-2021-27347 — Use After Free in Debian Linux | cvebase