VulnerabilityModified
CVE-2021-33453
There is a use-after-free in ucompthread() in stream.c:1538.
HIGH 7.8EPSS 0.35%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.35%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
An issue was discovered in lrzip version 0.641. There is a use-after-free in ucompthread() in stream.c:1538.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 0.35% probability · 28th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- long range zip project/long range zip
- Source
- cve@mitre.org
References
- https://gist.github.com/Clingto/bb632c0c463f4b2c97e4f65f751c5e6dExploit, Third Party Advisory
- https://github.com/ckolivas/lrzip/issues/199Exploit, Issue Tracking, Third Party Advisory
- https://gist.github.com/Clingto/bb632c0c463f4b2c97e4f65f751c5e6dExploit, Third Party Advisory
- https://github.com/ckolivas/lrzip/issues/199Exploit, Issue Tracking, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.