CVE-2026-45799

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Source
https://cve.org/CVERecord?id=CVE-2026-45799
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-45799.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-45799
Aliases
Downstream
Published
2026-07-17T19:49:30Z
Modified
2026-10-28T02:30:51Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
Wire: skipGroup() missing negative-length check allows 10-byte payload to crash any Wire-decoding service
Details

Wire provides gRPC and protocol buffers for Android, Kotlin, Swift, and Java. Prior to 6.3.0 and 7.0.0-alpha03, ByteArrayProtoReader32.skipGroup() and ProtoReader.skipGroup() in wire-runtime do not validate that a LENGTH_DELIMITED field length is non-negative before skip(), allowing a crafted protobuf varint encoding -128 as a signed Int to make skip(-128) move the internal position negative and make the next readByte() throw ArrayIndexOutOfBoundsException instead of the documented IOException or ProtocolException, which can crash services using ProtoAdapter.decode(byte[]) on untrusted payloads. This issue is fixed in versions 6.3.0 and 7.0.0-alpha03.

Database specific 
{
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
        "CWE-129"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/45xxx/CVE-2026-45799.json"
}
References

Affected packages

Git / github.com/square/wire

Affected ranges

Type
GIT
Repo
https://github.com/square/wire
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
86cffeda358c35efdcb9867d2d378eec912a15ec
Introduced
5df07027c6b180d9a807f5b8afda13760c7a114b
Fixed
47d5b0dba53935d5332cd41a80a353b3fc90e7b0
Fixed
e4e56fab38a547d9625f05c97f1d8f0bcc3a5773
Fixed
b9aad036a8d8671c025fb3eca79003433789f27a
Database specific
Show details 
{
    "extracted_events": [
        {
            "cpe": "cpe:2.3:a:squareup:wire:*:*:*:*:*:*:*:*",
            "range": [
                {
                    "introduced": "0"
                },
                {
                    "fixed": "6.3.0"
                }
            ],
            "source": "CPE_RANGE"
        },
        {
            "cpe": "cpe:2.3:a:squareup:wire:7.0.0:alpha01:*:*:*:*:*:*",
            "range": [
                {
                    "introduced": "7.0.0-alpha01"
                },
                {
                    "last_affected": "7.0.0-alpha01"
                }
            ],
            "source": "CPE_STRING"
        },
        {
            "cpe": "cpe:2.3:a:squareup:wire:7.0.0:alpha02:*:*:*:*:*:*",
            "range": [
                {
                    "introduced": "7.0.0-alpha02"
                },
                {
                    "last_affected": "7.0.0-alpha02"
                }
            ],
            "source": "CPE_STRING"
        },
        {
            "range": [
                {
                    "fixed": "47d5b0dba53935d5332cd41a80a353b3fc90e7b0"
                }
            ],
            "source": "REFERENCES_COMMIT"
        },
        {
            "range": [
                {
                    "fixed": "e4e56fab38a547d9625f05c97f1d8f0bcc3a5773"
                }
            ],
            "source": "REFERENCES_COMMIT"
        },
        {
            "original_tag": "6.3.0",
            "range": [
                {
                    "fixed": "86cffeda358c35efdcb9867d2d378eec912a15ec"
                }
            ],
            "source": "REFERENCES_TAG"
        },
        {
            "original_tag": "7.0.0-alpha03",
            "range": [
                {
                    "fixed": "b9aad036a8d8671c025fb3eca79003433789f27a"
                }
            ],
            "source": "REFERENCES_TAG"
        }
    ]
}

Affected versions

3.*
3.0.0
3.0.0-alpha01
3.0.0-alpha02
3.0.0-alpha03
3.0.0-rc01
3.0.0-rc02
3.0.0-rc03
3.0.2
3.0.3
3.3.0
3.3.0-alpha1
3.3.0-alpha2
3.4.0
3.5.0
3.5.1-alpha1
3.5.1-alpha2
3.6.0
3.6.0-alpha1
3.6.1
3.6.1-alpha1
3.7.0
3.8.0-alpha1
4.*
4.0.0
4.0.0-alpha.10
4.0.0-alpha.11
4.0.0-alpha.15
4.0.0-alpha.16
4.0.0-alpha.17
4.0.0-alpha.18
4.0.0-alpha.2
4.0.0-alpha.20
4.0.0-alpha.3
4.0.0-alpha.4
4.0.0-alpha.5
4.0.0-alpha.6
4.0.0-alpha.7
4.0.0-alpha.8
4.0.0-alpha.9
4.0.0-alpha1
4.0.0-alpha12
4.0.0-alpha13
4.0.1
4.1.0
4.1.1
4.2.0
4.3.0
4.4.0
4.4.1
4.4.2
4.4.3
4.5.0
4.5.1
4.5.2
4.5.3
4.5.4
4.5.5
4.5.6
4.6.0
4.6.1
4.6.2
4.7.0
4.7.1
4.7.2
4.8.0
4.8.1
4.9.0
4.9.1
4.9.1-square01
4.9.2
4.9.2-square02
4.9.2-square03
4.9.2-square04
4.9.3
4.9.3-square01
4.9.4
4.9.4-square01
4.9.4-square02
4.9.5
4.9.6
5.*
5.0.0
5.0.0-alpha.square.6
5.0.0-alpha.square.7
5.0.0-alpha.square.8
5.0.0-alpha.square.9
5.0.0-alpha01
5.0.0-alpha02
5.0.0-alpha02-square01
5.0.0-alpha02-square02
5.0.0-alpha03
5.0.0-alpha04
5.1.0
5.1.1-alpha.20240917.084212.96bbc3907
5.1.1-alpha.20240920.094122.b98afbb7d.1304
5.1.1-alpha.20241004.194750.5a2084117
5.1.1-alpha.20241016.095539.16b796241
5.1.1-alpha.20241017.175147.633cf04b4
5.1.1-alpha.20241127.134142.06e7597bb.v2
5.1.1-alpha.20241206.191847.01e8f3013
5.2.0
5.2.1
5.3.0
5.3.0-alpha.20250123.214551.e8d52ce62
5.3.0-alpha.20250212.164711.8dddcef3d
5.3.0-alpha.20250212.164711.8dddcef3d.v2
5.3.1
5.3.10
5.3.11
5.3.2
5.3.3
5.3.4
5.3.5
5.3.6
5.3.7
5.3.8
5.4.0
5.4.0-alpha.20250326.102750.35956c85e
5.4.0-alpha.20250429.015041.560b597d7
5.4.0-alpha.20250516.195227.10d8b20b2
5.4.0-alpha.20250801.192044.864c6c36c
5.4.1-alpha.20250925.224059.6ad9f5738
6.*
6.0.0
6.0.0-alpha01
6.0.0-alpha02
6.0.0-alpha03
6.1.0
6.2.0
7.*
7.0.0-alpha01
7.0.0-alpha02
parent-3.*
parent-3.0.0-rc02
parent-3.0.1
parent-3.1.0
parent-3.2.0
parent-3.2.1
parent-3.2.2
parent-4.*
parent-4.0.0-alpha.12
parent-4.0.0-alpha.13
parent-4.0.0-alpha.14
parent-4.0.0-alpha.15
parent-4.0.0-alpha13
wire-1.*
wire-1.0.0
wire-1.0.1
wire-1.1.0
wire-1.1.1
wire-1.2.0
wire-1.3.0
wire-1.3.1
wire-1.3.2
wire-1.3.3
wire-1.4.0
wire-1.5.0
wire-1.5.1
wire-1.5.2
wire-1.6.0
wire-1.6.1
wire-1.7.0
wire-1.8.0
wire-2.*
wire-2.0.0
wire-2.0.0-BETA1
wire-2.0.0-BETA10
wire-2.0.0-BETA2
wire-2.0.0-BETA3
wire-2.0.0-BETA4
wire-2.0.0-BETA5
wire-2.0.0-BETA6
wire-2.0.0-BETA7
wire-2.0.0-BETA8
wire-2.0.0-BETA9
wire-2.0.1
wire-2.0.2
wire-2.0.3
wire-2.1.0
wire-2.1.1
wire-2.1.2
wire-2.2.0
wire-2.3.0-RC1
wire-3.*
wire-3.0.1

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-45799.json"