CVE-2020-18652

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Source
https://nvd.nist.gov/vuln/detail/CVE-2020-18652
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-18652.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2020-18652
Downstream
Related
Published
2023-08-22T19:15:55Z
Modified
2025-10-21T05:44:29.406630Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

Buffer Overflow vulnerability in WEBP_Support.cpp in exempi 2.5.0 and earlier allows remote attackers to cause a denial of service via opening of crafted webp file.

References

Affected packages

Git / gitlab.freedesktop.org/libopenraw/exempi

Affected ranges

Type
GIT
Repo
https://gitlab.freedesktop.org/libopenraw/exempi
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
acee2894ceb91616543927c2a6e45050c60f98f7

Affected versions

2.*

2.1.1
2.2.0
2.2.1
2.2.2
2.3.0
2.5.0

adobe-4.*

adobe-4.1.1

exempi-1.*

exempi-1.99.0
exempi-1.99.1
exempi-1.99.2
exempi-1.99.3
exempi-1.99.4
exempi-1.99.5
exempi-1.99.6
exempi-1.99.7
exempi-1.99.8
exempi-1.99.9

exempi-2.*

exempi-2.0.0
exempi-2.0.1
exempi-2.1.0

Database specific

vanir_signatures

[
    {
        "source": "https://gitlab.freedesktop.org/libopenraw/exempi@acee2894ceb91616543927c2a6e45050c60f98f7",
        "target": {
            "function": "VP8XChunk::VP8XChunk",
            "file": "XMPFiles/source/FormatSupport/WEBP_Support.cpp"
        },
        "digest": {
            "function_hash": "287489629788518566746366652779894257635",
            "length": 506.0
        },
        "deprecated": false,
        "id": "CVE-2020-18652-40e223e3",
        "signature_version": "v1",
        "signature_type": "Function"
    },
    {
        "source": "https://gitlab.freedesktop.org/libopenraw/exempi@acee2894ceb91616543927c2a6e45050c60f98f7",
        "target": {
            "file": "XMPFiles/source/FormatSupport/WEBP_Support.cpp"
        },
        "digest": {
            "line_hashes": [
                "19290389321265225874426330470930240808",
                "11227025886656892332355393183387779029",
                "46726694244881865389308129605577474543",
                "190687311370935777541703537973506947079",
                "2014808226921614575823072012764346177",
                "246110405176998061242691812275757246192"
            ],
            "threshold": 0.9
        },
        "deprecated": false,
        "id": "CVE-2020-18652-4be099bb",
        "signature_version": "v1",
        "signature_type": "Line"
    }
]