An update for libevent is now available for openEuler-24.03-LTS-SP4,openEuler-20.03-LTS-SP4,openEuler-22.03-LTS-SP4,openEuler-24.03-LTS-SP1,openEuler-24.03-LTS-SP3 Security Advisory openeuler-security@openeuler.org openEuler security committee openEuler-SA-2026-3268 Final 1.0 1.0 2026-08-07 Initial 2026-08-07 2026-08-07 openEuler SA Tool V1.0 2026-08-07 libevent security update An update for libevent is now available for openEuler-24.03-LTS-SP4,openEuler-20.03-LTS-SP4,openEuler-22.03-LTS-SP4,openEuler-24.03-LTS-SP1,openEuler-24.03-LTS-SP3 Libevent additionally provides a sophisticated framework for buffered network IO, with support for sockets, filters, rate-limiting, SSL, zero-copy file transmission, and IOCP. Libevent includes support for several useful protocols, including DNS, HTTP, and a minimal RPC framewor. Security Fix(es): The updated packages fix some security vulnerabilities. libevent is a lightweight event notification library used for handling event loops and callback mechanisms, widely used in network applications.(CVE-2026-63379) The updated packages fix some security vulnerabilities affecting the libevent library.(CVE-2026-63381) The updated packages fix some security vulnerabilities.(CVE-2026-63382) The updated packages fix some security vulnerabilities.(CVE-2026-63383) The updated packages fix some security vulnerabilities.(CVE-2026-63384) The updated packages fix some security vulnerabilities.(CVE-2026-63385) The updated packages fix some security vulnerabilities.(CVE-2026-63387) The updated packages fix some security vulnerabilities.(CVE-2026-63388) An update for libevent is now available for openEuler-24.03-LTS-SP4,openEuler-20.03-LTS-SP4,openEuler-22.03-LTS-SP4,openEuler-24.03-LTS-SP1,openEuler-24.03-LTS-SP3. openEuler Security has rated this update as having a security impact of high. A Common Vunlnerability Scoring System(CVSS)base score,which gives a detailed severity rating, is available for each vulnerability from the CVElink(s) in the References section. High libevent https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-3268 https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2026-63379 https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2026-63381 https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2026-63382 https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2026-63383 https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2026-63384 https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2026-63385 https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2026-63387 https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2026-63388 https://nvd.nist.gov/vuln/detail/CVE-2026-63379 https://nvd.nist.gov/vuln/detail/CVE-2026-63381 https://nvd.nist.gov/vuln/detail/CVE-2026-63382 https://nvd.nist.gov/vuln/detail/CVE-2026-63383 https://nvd.nist.gov/vuln/detail/CVE-2026-63384 https://nvd.nist.gov/vuln/detail/CVE-2026-63385 https://nvd.nist.gov/vuln/detail/CVE-2026-63387 https://nvd.nist.gov/vuln/detail/CVE-2026-63388 openEuler-24.03-LTS-SP4 openEuler-20.03-LTS-SP4 openEuler-22.03-LTS-SP4 openEuler-24.03-LTS-SP1 openEuler-24.03-LTS-SP3 libevent-2.1.12-17.oe2403sp4.aarch64.rpm libevent-debuginfo-2.1.12-17.oe2403sp4.aarch64.rpm libevent-debugsource-2.1.12-17.oe2403sp4.aarch64.rpm libevent-devel-2.1.12-17.oe2403sp4.aarch64.rpm libevent-2.1.12-7.oe2003sp4.aarch64.rpm libevent-debuginfo-2.1.12-7.oe2003sp4.aarch64.rpm libevent-debugsource-2.1.12-7.oe2003sp4.aarch64.rpm libevent-devel-2.1.12-7.oe2003sp4.aarch64.rpm libevent-2.1.12-11.oe2203sp4.aarch64.rpm libevent-debuginfo-2.1.12-11.oe2203sp4.aarch64.rpm libevent-debugsource-2.1.12-11.oe2203sp4.aarch64.rpm libevent-devel-2.1.12-11.oe2203sp4.aarch64.rpm libevent-2.1.12-17.oe2403sp1.aarch64.rpm libevent-debuginfo-2.1.12-17.oe2403sp1.aarch64.rpm libevent-debugsource-2.1.12-17.oe2403sp1.aarch64.rpm libevent-devel-2.1.12-17.oe2403sp1.aarch64.rpm libevent-2.1.12-17.oe2403sp3.aarch64.rpm libevent-debuginfo-2.1.12-17.oe2403sp3.aarch64.rpm libevent-debugsource-2.1.12-17.oe2403sp3.aarch64.rpm libevent-devel-2.1.12-17.oe2403sp3.aarch64.rpm libevent-2.1.12-17.oe2403sp4.src.rpm libevent-2.1.12-7.oe2003sp4.src.rpm libevent-2.1.12-11.oe2203sp4.src.rpm libevent-2.1.12-17.oe2403sp1.src.rpm libevent-2.1.12-17.oe2403sp3.src.rpm libevent-2.1.12-17.oe2403sp4.x86_64.rpm libevent-debuginfo-2.1.12-17.oe2403sp4.x86_64.rpm libevent-debugsource-2.1.12-17.oe2403sp4.x86_64.rpm libevent-devel-2.1.12-17.oe2403sp4.x86_64.rpm libevent-2.1.12-7.oe2003sp4.x86_64.rpm libevent-debuginfo-2.1.12-7.oe2003sp4.x86_64.rpm libevent-debugsource-2.1.12-7.oe2003sp4.x86_64.rpm libevent-devel-2.1.12-7.oe2003sp4.x86_64.rpm libevent-2.1.12-11.oe2203sp4.x86_64.rpm libevent-debuginfo-2.1.12-11.oe2203sp4.x86_64.rpm libevent-debugsource-2.1.12-11.oe2203sp4.x86_64.rpm libevent-devel-2.1.12-11.oe2203sp4.x86_64.rpm libevent-2.1.12-17.oe2403sp1.x86_64.rpm libevent-debuginfo-2.1.12-17.oe2403sp1.x86_64.rpm libevent-debugsource-2.1.12-17.oe2403sp1.x86_64.rpm libevent-devel-2.1.12-17.oe2403sp1.x86_64.rpm libevent-2.1.12-17.oe2403sp3.x86_64.rpm libevent-debuginfo-2.1.12-17.oe2403sp3.x86_64.rpm libevent-debugsource-2.1.12-17.oe2403sp3.x86_64.rpm libevent-devel-2.1.12-17.oe2403sp3.x86_64.rpm The updated packages fix some security vulnerabilities. libevent is a lightweight event notification library used for handling event loops and callback mechanisms, widely used in network applications. 2026-08-07 CVE-2026-63379 openEuler-24.03-LTS-SP4 openEuler-20.03-LTS-SP4 openEuler-22.03-LTS-SP4 openEuler-24.03-LTS-SP1 openEuler-24.03-LTS-SP3 Medium 6.3 AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N libevent security update 2026-08-07 https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-3268 The updated packages fix some security vulnerabilities affecting the libevent library. 2026-08-07 CVE-2026-63381 openEuler-24.03-LTS-SP4 openEuler-20.03-LTS-SP4 openEuler-22.03-LTS-SP4 openEuler-24.03-LTS-SP1 openEuler-24.03-LTS-SP3 High 7.5 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H libevent security update 2026-08-07 https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-3268 The updated packages fix some security vulnerabilities. 2026-08-07 CVE-2026-63382 openEuler-24.03-LTS-SP4 openEuler-20.03-LTS-SP4 openEuler-22.03-LTS-SP4 openEuler-24.03-LTS-SP1 openEuler-24.03-LTS-SP3 High 7.4 AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N libevent security update 2026-08-07 https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-3268 The updated packages fix some security vulnerabilities. 2026-08-07 CVE-2026-63383 openEuler-24.03-LTS-SP4 openEuler-20.03-LTS-SP4 openEuler-22.03-LTS-SP4 openEuler-24.03-LTS-SP1 openEuler-24.03-LTS-SP3 Medium 5.3 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L libevent security update 2026-08-07 https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-3268 The updated packages fix some security vulnerabilities. 2026-08-07 CVE-2026-63384 openEuler-24.03-LTS-SP4 openEuler-20.03-LTS-SP4 openEuler-22.03-LTS-SP4 openEuler-24.03-LTS-SP1 openEuler-24.03-LTS-SP3 High 7.5 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H libevent security update 2026-08-07 https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-3268 The updated packages fix some security vulnerabilities. 2026-08-07 CVE-2026-63385 openEuler-24.03-LTS-SP4 openEuler-20.03-LTS-SP4 openEuler-22.03-LTS-SP4 openEuler-24.03-LTS-SP1 openEuler-24.03-LTS-SP3 High 7.4 AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N libevent security update 2026-08-07 https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-3268 The updated packages fix some security vulnerabilities. 2026-08-07 CVE-2026-63387 openEuler-24.03-LTS-SP4 openEuler-20.03-LTS-SP4 openEuler-22.03-LTS-SP4 openEuler-24.03-LTS-SP1 openEuler-24.03-LTS-SP3 High 7.0 AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H libevent security update 2026-08-07 https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-3268 The updated packages fix some security vulnerabilities. 2026-08-07 CVE-2026-63388 openEuler-24.03-LTS-SP4 openEuler-20.03-LTS-SP4 openEuler-22.03-LTS-SP4 openEuler-24.03-LTS-SP1 openEuler-24.03-LTS-SP3 High 8.4 AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H libevent security update 2026-08-07 https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-3268