What’s Vulnerable › Vulnerabilities

CVE-2022-48620

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-01-12 · updated 2026-06-17
• Weakness: CWE-120

Description

uev (aka libuev) before 2.4.1 has a buffer overflow in epoll_wait if maxevents is a large number.

Affected products

• troglobit Libeuv: before 2.4.1 — fixed in 2.4.1

How to fix

Upgrade to a fixed version: troglobit Libeuv 2.4.1. Check the vendor advisory for mitigations.

References

• https://github.com/troglobit/libuev/commit/2d9f1c9ce655cc38511aeeb6e95ac30914f7aec9
• https://github.com/troglobit/libuev/compare/v2.4.0...v2.4.1
• https://github.com/troglobit/libuev/issues/27
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2J4UB4KXWCCTZCE53B6SFIREZ57INK7T/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/E6RLVLJGDKTEVJP446TFDANHB4LHRAOP/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/P2XZESYGE6XDWAPFUOX26ZWJV2JWMMM5/
• https://github.com/troglobit/libuev/commit/2d9f1c9ce655cc38511aeeb6e95ac30914f7aec9
• https://github.com/troglobit/libuev/compare/v2.4.0...v2.4.1
• https://github.com/troglobit/libuev/issues/27
• https://lists.debian.org/debian-lts-announce/2026/01/msg00026.html
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2J4UB4KXWCCTZCE53B6SFIREZ57INK7T/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/E6RLVLJGDKTEVJP446TFDANHB4LHRAOP/

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