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CVE-2022-48620

26
FAUCET Score

CVE-2022-48620 describes a critical buffer overflow vulnerability (CWE-120) in uev (libuev) versions prior to 2.4.1, specifically within the epoll_wait function when processing a large number of events. This vulnerability carries a CVSS score of 9.8 (CRITICAL), indicating it can be exploited remotely with low complexity, leading to complete compromise of confidentiality, integrity, and availability. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.4.1CPE matchmatch criteria
cpe:2.3:a:troglobit:libeuv:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.32%
Probability of exploitation in next 30 days
EPSS Percentile
67.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0132 is in the 54th percentile among its peer group of 36,835 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

lists.debian.org / debian-lts-announce/2026/01/msg00026.html
lists.fedoraproject.org / archives/list/[email protected]/message/2J4UB4KXWCCTZCE53B6SFIREZ57INK7T
lists.fedoraproject.org / archives/list/[email protected]/message/E6RLVLJGDKTEVJP446TFDANHB4LHRAOP
lists.fedoraproject.org / archives/list/[email protected]/message/P2XZESYGE6XDWAPFUOX26ZWJV2JWMMM5
github.com / troglobit/libuev/commit/2d9f1c9ce655cc38511aeeb6e95ac30914f7aec9
Patch
github.com / troglobit/libuev/compare/v2.4.0...v2.4.1
Release Notes
github.com / troglobit/libuev/issues/27
Issue Tracking
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/2J4UB4KXWCCTZCE53B6SFIREZ57INK7T
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/E6RLVLJGDKTEVJP446TFDANHB4LHRAOP
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/P2XZESYGE6XDWAPFUOX26ZWJV2JWMMM5