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CVE-2022-48620
uev (aka libuev) before 2.4.1 has a buffer overflow in epoll_wait if maxevents is a large number.
Critical9.8EPSS 1.3%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
uev (aka libuev) before 2.4.1 has a buffer overflow in epoll_wait if maxevents is a large number.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Modified | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 1.3% · top 29% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: yes · Technical impact: total
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Weakness
Affected products
n/a
- affected n/a
References (10)
- https://github.com/troglobit/libuev/issues/27 (opens in a new tab)x_transferred
- https://github.com/troglobit/libuev/compare/v2.4.0...v2.4.1 (opens in a new tab)x_transferred
- https://github.com/troglobit/libuev/commit/2d9f1c9ce655cc38511aeeb6e95ac30914f7aec9 (opens in a new tab)x_transferred
- FEDORA-2024-75e1256954 (opens in a new tab)vendor-advisoryx_transferred
- FEDORA-2024-d6a850992f (opens in a new tab)vendor-advisoryx_transferred
- FEDORA-2024-40fbf3ee48 (opens in a new tab)vendor-advisoryx_transferred
- https://lists.fedoraproject.org/archives/list/[email protected]/message/2J4UB4KXWCCTZCE53B6SFIREZ57INK7T/ (opens in a new tab)
- https://lists.fedoraproject.org/archives/list/[email protected]/message/E6RLVLJGDKTEVJP446TFDANHB4LHRAOP/ (opens in a new tab)
- https://lists.fedoraproject.org/archives/list/[email protected]/message/P2XZESYGE6XDWAPFUOX26ZWJV2JWMMM5/ (opens in a new tab)
- https://lists.debian.org/debian-lts-announce/2026/01/msg00026.html (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2022-48620)Record last updated .