CVE-2022-48620

CRITICAL
Published Jan 12, 2024 Modified Jan 25, 2026 CWE-120

Description

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

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CVSS v3.1 Score

9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-120 CWE-120

Affected Products

Vendor Product
troglobit libeuv

References

Other References

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/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/

Frequently Asked Questions

What is CVE-2022-48620? +
uev (aka libuev) before 2.4.1 has a buffer overflow in epoll_wait if maxevents is a large number. It has a CVSS v3.1 base score of 9.8 (CRITICAL).
How severe is CVE-2022-48620? +
CVE-2022-48620 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.
What products are affected by CVE-2022-48620? +
CVE-2022-48620 affects products from troglobit, specifically: libeuv. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2022-48620? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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