Cyber Resilience

CVE-2021-46141

MediumPublic PoC

Published: 06 January 2022

Published
06 January 2022
Modified
21 November 2024
KEV Added
—
Patch
—
CVSS Score v3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS Score 0.0012 30.0th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-46141 is a medium-severity Use After Free (CWE-416) vulnerability in Debian Debian Linux. Its CVSS base score is 5.5 (Medium).

Operationally, ranked at the 30.0th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

An issue was discovered in uriparser before 0.9.6. It performs invalid free operations in uriFreeUriMembers and uriMakeOwner.

CWE(s)
CWE-416

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

uriparser project
uriparser
≤ 0.9.6
fedoraproject
extra packages for enterprise linux
8.0
fedoraproject
fedora
34, 35
debian
debian linux
10.0, 11.0, 9.0
opensuse
factory
all versions
opensuse
backports
sle-15
opensuse
leap
15.3

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

SI-16 Memory Protection
addresses: CWE-416

Use-after-free exploits that achieve arbitrary code execution are blocked or significantly hardened by non-executable pages and ASLR.

References