Vulnerability · Published Mar 28, 2022 · Assigned by mitre
CVE-2022-26291
Medium 5.5
In plain English
A medium-severity security flaw in the lrzip package (Alpine). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 59% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.9%top 41.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
lrzip v0.641 was discovered to contain a multiple concurrency use-after-free between the functions zpaq_decompress_buf() and clear_rulist(). This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted Irz file.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | lrzip | 0.650-r0 | ALPINE-CVE-2022-26291 |
| Alpine:v3.21 | lrzip | 0.650-r0 | ALPINE-CVE-2022-26291 |
| Alpine:v3.22 | lrzip | 0.650-r0 | ALPINE-CVE-2022-26291 |
| Alpine:v3.23 | lrzip | 0.650-r0 | ALPINE-CVE-2022-26291 |
| Alpine:v3.24 | lrzip | 0.650-r0 | ALPINE-CVE-2022-26291 |
| Debian:12 | lrzip | 0.650-1 | DEBIAN-CVE-2022-26291 |
| Debian:13 | lrzip | 0.650-1 | DEBIAN-CVE-2022-26291 |
| Debian:14 | lrzip | 0.650-1 | DEBIAN-CVE-2022-26291 |
| Ubuntu:22.04:LTS | lrzip | 0.651-2ubuntu0.22.04.1 | USN-5840-1 |
Affected products (as reported)
References
- https://github.com/ckolivas/lrzip/issues/206 x_refsource_MISC
- [debian-lts-announce] 20220413 [SECURITY] [DLA 2981-1] lrzip security update mailing-list, x_refsource_MLIST
- DSA-5145 vendor-advisory, x_refsource_DEBIAN