OESA-2026-2611

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Source
https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2026-2611
Import Source
https://repo.openeuler.org/security/data/osv/OESA-2026-2611.json
JSON Data
https://api.test.osv.dev/v1/vulns/OESA-2026-2611
Upstream
Published
2026-06-12T12:24:54Z
Modified
2026-06-12T12:45:07.088206075Z
Summary
mod_http2 security update
Details

The mod_h2 Apache httpd module implements the HTTP2 protocol (h2+h2c) on top of libnghttp2 for httpd 2.4 servers.

Security Fix(es):

A vulnerability was found in Apache HTTP Server (Web Server) (affected version not known). It has been rated as critical.Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use.Impacted is availability.The exploit is available at blog.calif.io. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $5k-$25k.Applying a patch is able to eliminate this problem.(CVE-2026-49975)

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

Affected packages

openEuler:24.03-LTS-SP1 / mod_http2

Package

Name
mod_http2
Purl
pkg:rpm/openEuler/mod_http2&distro=openEuler-24.03-LTS-SP1

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.0.25-5.oe2403sp1

Ecosystem specific 

{
    "noarch": [
        "mod_http2-help-2.0.25-5.oe2403sp1.noarch.rpm"
    ],
    "src": [
        "mod_http2-2.0.25-5.oe2403sp1.src.rpm"
    ],
    "x86_64": [
        "mod_http2-2.0.25-5.oe2403sp1.x86_64.rpm",
        "mod_http2-debuginfo-2.0.25-5.oe2403sp1.x86_64.rpm",
        "mod_http2-debugsource-2.0.25-5.oe2403sp1.x86_64.rpm"
    ],
    "aarch64": [
        "mod_http2-2.0.25-5.oe2403sp1.aarch64.rpm",
        "mod_http2-debuginfo-2.0.25-5.oe2403sp1.aarch64.rpm",
        "mod_http2-debugsource-2.0.25-5.oe2403sp1.aarch64.rpm"
    ]
}

Database specific

source 
"https://repo.openeuler.org/security/data/osv/OESA-2026-2611.json"

openEuler:24.03-LTS-SP3 / mod_http2

Package

Name
mod_http2
Purl
pkg:rpm/openEuler/mod_http2&distro=openEuler-24.03-LTS-SP3

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.0.25-5.oe2403sp3

Ecosystem specific 

{
    "noarch": [
        "mod_http2-help-2.0.25-5.oe2403sp3.noarch.rpm"
    ],
    "src": [
        "mod_http2-2.0.25-5.oe2403sp3.src.rpm"
    ],
    "x86_64": [
        "mod_http2-2.0.25-5.oe2403sp3.x86_64.rpm",
        "mod_http2-debuginfo-2.0.25-5.oe2403sp3.x86_64.rpm",
        "mod_http2-debugsource-2.0.25-5.oe2403sp3.x86_64.rpm"
    ],
    "aarch64": [
        "mod_http2-2.0.25-5.oe2403sp3.aarch64.rpm",
        "mod_http2-debuginfo-2.0.25-5.oe2403sp3.aarch64.rpm",
        "mod_http2-debugsource-2.0.25-5.oe2403sp3.aarch64.rpm"
    ]
}

Database specific

source 
"https://repo.openeuler.org/security/data/osv/OESA-2026-2611.json"

openEuler:20.03-LTS-SP4 / mod_http2

Package

Name
mod_http2
Purl
pkg:rpm/openEuler/mod_http2&distro=openEuler-20.03-LTS-SP4

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.15.13-4.oe2003sp4

Ecosystem specific 

{
    "noarch": [
        "mod_http2-help-1.15.13-4.oe2003sp4.noarch.rpm"
    ],
    "src": [
        "mod_http2-1.15.13-4.oe2003sp4.src.rpm"
    ],
    "x86_64": [
        "mod_http2-1.15.13-4.oe2003sp4.x86_64.rpm",
        "mod_http2-debuginfo-1.15.13-4.oe2003sp4.x86_64.rpm",
        "mod_http2-debugsource-1.15.13-4.oe2003sp4.x86_64.rpm"
    ],
    "aarch64": [
        "mod_http2-1.15.13-4.oe2003sp4.aarch64.rpm",
        "mod_http2-debuginfo-1.15.13-4.oe2003sp4.aarch64.rpm",
        "mod_http2-debugsource-1.15.13-4.oe2003sp4.aarch64.rpm"
    ]
}

Database specific

source 
"https://repo.openeuler.org/security/data/osv/OESA-2026-2611.json"

openEuler:22.03-LTS-SP4 / mod_http2

Package

Name
mod_http2
Purl
pkg:rpm/openEuler/mod_http2&distro=openEuler-22.03-LTS-SP4

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.15.25-5.oe2203sp4

Ecosystem specific 

{
    "noarch": [
        "mod_http2-help-1.15.25-5.oe2203sp4.noarch.rpm"
    ],
    "src": [
        "mod_http2-1.15.25-5.oe2203sp4.src.rpm"
    ],
    "x86_64": [
        "mod_http2-1.15.25-5.oe2203sp4.x86_64.rpm",
        "mod_http2-debuginfo-1.15.25-5.oe2203sp4.x86_64.rpm",
        "mod_http2-debugsource-1.15.25-5.oe2203sp4.x86_64.rpm"
    ],
    "aarch64": [
        "mod_http2-1.15.25-5.oe2203sp4.aarch64.rpm",
        "mod_http2-debuginfo-1.15.25-5.oe2203sp4.aarch64.rpm",
        "mod_http2-debugsource-1.15.25-5.oe2203sp4.aarch64.rpm"
    ]
}

Database specific

source 
"https://repo.openeuler.org/security/data/osv/OESA-2026-2611.json"