VulnerabilityModified
CVE-2022-48620
uev (aka libuev) before 2.4.1 has a buffer overflow in epoll_wait if maxevents is a large number.
CRITICAL 9.8EPSS 1.32%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.32%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
uev (aka libuev) before 2.4.1 has a buffer overflow in epoll_wait if maxevents is a large number.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.32% probability · 69th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-120
- Affected
- troglobit/libeuv
- Source
- cve@mitre.org
References
- https://github.com/troglobit/libuev/commit/2d9f1c9ce655cc38511aeeb6e95ac30914f7aec9Patch
- https://github.com/troglobit/libuev/compare/v2.4.0...v2.4.1Release Notes
- https://github.com/troglobit/libuev/issues/27Issue Tracking
- 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/2d9f1c9ce655cc38511aeeb6e95ac30914f7aec9Patch
- https://github.com/troglobit/libuev/compare/v2.4.0...v2.4.1Release Notes
- https://github.com/troglobit/libuev/issues/27Issue Tracking
- 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/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/P2XZESYGE6XDWAPFUOX26ZWJV2JWMMM5/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2J4UB4KXWCCTZCE53B6SFIREZ57INK7T/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/E6RLVLJGDKTEVJP446TFDANHB4LHRAOP/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/P2XZESYGE6XDWAPFUOX26ZWJV2JWMMM5/
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.