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SOC 2 Type IIISO 27001GDPRHIPAA Ready

Home›CVE Pulse›CVE-2022-48620

CVE-2022-48620

CRITICALNVD 9.8EG9.8—

EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2024-01-12. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS

Sources: epss, ghsa, nvd

9.8

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

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 74.7%
KEV: Not listed

Published

January 12, 2024

Last Modified

January 25, 2026

References (16)

cve@mitrehttps://github.com/troglobit/libuev/commit/2d9f1c9ce655cc38511aeeb6e95ac30914f7aec9
cve@mitrehttps://github.com/troglobit/libuev/compare/v2.4.0...v2.4.1
cve@mitrehttps://github.com/troglobit/libuev/issues/27
cve@mitrehttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2J4UB4KXWCCTZCE53B6SFIREZ57INK7T/
cve@mitrehttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/E6RLVLJGDKTEVJP446TFDANHB4LHRAOP/
cve@mitrehttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/P2XZESYGE6XDWAPFUOX26ZWJV2JWMMM5/
af854a3a-2127-422b-91ae-364da2661108https://github.com/troglobit/libuev/commit/2d9f1c9ce655cc38511aeeb6e95ac30914f7aec9
af854a3a-2127-422b-91ae-364da2661108https://github.com/troglobit/libuev/compare/v2.4.0...v2.4.1
af854a3a-2127-422b-91ae-364da2661108https://github.com/troglobit/libuev/issues/27
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2026/01/msg00026.html
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2J4UB4KXWCCTZCE53B6SFIREZ57INK7T/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/E6RLVLJGDKTEVJP446TFDANHB4LHRAOP/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/P2XZESYGE6XDWAPFUOX26ZWJV2JWMMM5/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2J4UB4KXWCCTZCE53B6SFIREZ57INK7T/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/E6RLVLJGDKTEVJP446TFDANHB4LHRAOP/

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-120Buffer Copy without Checking Size (Classic Buffer Overflow)

Data Freshness Timeline

(refreshed 13× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-05 22:46 UTCepss_batch
2026-06-05 22:46 UTCepss_batch
2026-06-05 06:09 UTCepss_batch
2026-06-05 06:09 UTCepss_batch
2026-06-04 13:11 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch

Frequently asked(5)

What is CVE-2022-48620?

CVE-2022-48620 is a critical vulnerability published on January 12, 2024. uev (aka libuev) before 2.4.1 has a buffer overflow in epoll_wait if maxevents is a large number.

When was CVE-2022-48620 disclosed?

CVE-2022-48620 was first published in the National Vulnerability Database on January 12, 2024, with the most recent update on January 25, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2022-48620 actively exploited?

CVE-2022-48620 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 74.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2022-48620?

CVE-2022-48620 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2022-48620?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-48620, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2022-48620

Is Your Infrastructure Affected by CVE-2022-48620?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs

Related CVEs(same CWE)

Same CWE

10 shown

CWE-120

CVE-2009-0948EG 9.8CRITICAL
CVE-2006-3100EG 9.8CRITICAL
CVE-2009-5041EG 9.8CRITICAL
CVE-2010-5333EG 9.8EPSS 99%CRITICAL
CVE-2013-1331NVD 7.8EG 9.0 KEVEPSS 100%HIGH
CVE-2013-0641NVD 7.8EG 9.0 KEVEPSS 99%HIGH
CVE-2012-2763NVD 0.0EG 9.0EPSS 100%NONE
CVE-2011-4862NVD 0.0EG 9.0EPSS 100%NONE
CVE-2010-2572NVD 7.8EG 9.0 KEVEPSS 99%HIGH
CVE-2007-5659NVD 7.8EG 9.0 KEVEPSS 100%HIGH