OESA-2026-3268

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Source
https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2026-3268
Import Source
https://repo.openeuler.org/security/data/osv/OESA-2026-3268.json
JSON Data
https://api.osv.dev/v1/vulns/OESA-2026-3268
Upstream
  • CVE-2026-63379
  • CVE-2026-63381
  • CVE-2026-63382
  • CVE-2026-63383
  • CVE-2026-63384
  • CVE-2026-63385
  • CVE-2026-63387
  • CVE-2026-63388
Published
2026-08-07T02:42:54Z
Modified
2026-08-07T03:00:59.366562112Z
Severity
  • 8.4 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
libevent security update
Details

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)

Database specific 
{
    "severity": "High"
}
References

Affected packages

openEuler:20.03-LTS-SP4
libevent

Package

Name
libevent
Purl
pkg:rpm/openEuler/libevent&distro=openEuler-20.03-LTS-SP4

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.1.12-7.oe2003sp4

Ecosystem specific 

{
    "x86_64": [
        "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"
    ],
    "aarch64": [
        "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"
    ],
    "src": [
        "libevent-2.1.12-7.oe2003sp4.src.rpm"
    ]
}

Database specific

source 
"https://repo.openeuler.org/security/data/osv/OESA-2026-3268.json"
openEuler:22.03-LTS-SP4
libevent

Package

Name
libevent
Purl
pkg:rpm/openEuler/libevent&distro=openEuler-22.03-LTS-SP4

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.1.12-11.oe2203sp4

Ecosystem specific 

{
    "x86_64": [
        "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"
    ],
    "aarch64": [
        "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"
    ],
    "src": [
        "libevent-2.1.12-11.oe2203sp4.src.rpm"
    ]
}

Database specific

source 
"https://repo.openeuler.org/security/data/osv/OESA-2026-3268.json"
openEuler:24.03-LTS-SP1
libevent

Package

Name
libevent
Purl
pkg:rpm/openEuler/libevent&distro=openEuler-24.03-LTS-SP1

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.1.12-17.oe2403sp1

Ecosystem specific 

{
    "x86_64": [
        "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"
    ],
    "aarch64": [
        "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"
    ],
    "src": [
        "libevent-2.1.12-17.oe2403sp1.src.rpm"
    ]
}

Database specific

source 
"https://repo.openeuler.org/security/data/osv/OESA-2026-3268.json"
openEuler:24.03-LTS-SP3
libevent

Package

Name
libevent
Purl
pkg:rpm/openEuler/libevent&distro=openEuler-24.03-LTS-SP3

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.1.12-17.oe2403sp3

Ecosystem specific 

{
    "x86_64": [
        "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"
    ],
    "aarch64": [
        "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"
    ],
    "src": [
        "libevent-2.1.12-17.oe2403sp3.src.rpm"
    ]
}

Database specific

source 
"https://repo.openeuler.org/security/data/osv/OESA-2026-3268.json"
openEuler:24.03-LTS-SP4
libevent

Package

Name
libevent
Purl
pkg:rpm/openEuler/libevent&distro=openEuler-24.03-LTS-SP4

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.1.12-17.oe2403sp4

Ecosystem specific 

{
    "x86_64": [
        "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"
    ],
    "aarch64": [
        "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"
    ],
    "src": [
        "libevent-2.1.12-17.oe2403sp4.src.rpm"
    ]
}

Database specific

source 
"https://repo.openeuler.org/security/data/osv/OESA-2026-3268.json"