CVE-2025-30346

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Source
https://nvd.nist.gov/vuln/detail/CVE-2025-30346
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-30346.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2025-30346
Aliases
Downstream
Related
Published
2025-03-21T07:15:37Z
Modified
2025-10-22T10:10:29.098672Z
Severity
  • 4.8 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N CVSS Calculator
Summary
[none]
Details

Varnish Cache before 7.6.2 and Varnish Enterprise before 6.0.13r10 allow client-side desync via HTTP/1 requests.

References

Affected packages

Git / github.com/varnishcache/varnish-cache

Affected ranges

Type
GIT
Repo
https://github.com/varnishcache/varnish-cache
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
49168df457f8965fe5b3d257e95afaa2f41498c9

Affected versions

varnish-3.*

varnish-3.0.0-beta1
varnish-3.0.0-beta2

varnish-4.*

varnish-4.0.0
varnish-4.0.0-beta1
varnish-4.0.0-tp1
varnish-4.0.0-tp2
varnish-4.0.1

varnish-5.*

varnish-5.0.0
varnish-5.1.0
varnish-5.1.1
varnish-5.1.2

varnish-6.*

varnish-6.0.0
varnish-6.1.0
varnish-6.4.0
varnish-6.5.0
varnish-6.5.1
varnish-6.6.0

varnish-7.*

varnish-7.0.0
varnish-7.0.1
varnish-7.1.0
varnish-7.2.0
varnish-7.3.0
varnish-7.4.0
varnish-7.5.0
varnish-7.6.0
varnish-7.6.1

Database specific

vanir_signatures

[
    {
        "id": "CVE-2025-30346-367d39a1",
        "deprecated": false,
        "digest": {
            "line_hashes": [
                "23622748511810100298892430565560418682",
                "218839734523592776867766468661275010437",
                "164416863857509784494032526117345070744",
                "223724184333599709384384874797774510966",
                "197875613171327800308645167251626441464",
                "263293726540262616557466597721550093620",
                "271820512147372279692875200570924420053"
            ],
            "threshold": 0.9
        },
        "signature_version": "v1",
        "target": {
            "file": "bin/varnishtest/vtc_http.c"
        },
        "source": "https://github.com/varnishcache/varnish-cache/commit/49168df457f8965fe5b3d257e95afaa2f41498c9",
        "signature_type": "Line"
    },
    {
        "id": "CVE-2025-30346-99ef4ac7",
        "deprecated": false,
        "digest": {
            "length": 956.0,
            "function_hash": "320899585599011995335457946287409436056"
        },
        "signature_version": "v1",
        "target": {
            "function": "b64_settings",
            "file": "bin/varnishtest/vtc_http2.c"
        },
        "source": "https://github.com/varnishcache/varnish-cache/commit/49168df457f8965fe5b3d257e95afaa2f41498c9",
        "signature_type": "Function"
    },
    {
        "id": "CVE-2025-30346-ac6a0e80",
        "deprecated": false,
        "digest": {
            "line_hashes": [
                "120248460162769918690912024032874919119",
                "77104697107606013345318422003924957022",
                "229700380975947820374920787836229443977",
                "321786889213902170635439565983227828350",
                "157674414179384749288192790946453512404",
                "118266283243202144759254515689957791012",
                "70255627731328964792477425442447516007"
            ],
            "threshold": 0.9
        },
        "signature_version": "v1",
        "target": {
            "file": "bin/varnishtest/vtc_http2.c"
        },
        "source": "https://github.com/varnishcache/varnish-cache/commit/49168df457f8965fe5b3d257e95afaa2f41498c9",
        "signature_type": "Line"
    },
    {
        "id": "CVE-2025-30346-b442b847",
        "deprecated": false,
        "digest": {
            "length": 968.0,
            "function_hash": "329224240331914269285633393671409497276"
        },
        "signature_version": "v1",
        "target": {
            "function": "cmd_http_upgrade",
            "file": "bin/varnishtest/vtc_http.c"
        },
        "source": "https://github.com/varnishcache/varnish-cache/commit/49168df457f8965fe5b3d257e95afaa2f41498c9",
        "signature_type": "Function"
    }
]