CVE-2020-18652

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Source
https://cve.org/CVERecord?id=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
2026-07-08T23:58:12Z
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
Last Affected
ba6698c39da63b0cbe4742389d31bf4de8716de0
Fixed
acee2894ceb91616543927c2a6e45050c60f98f7
Database specific
Show details 
{
    "cpe":  "cpe:2.3:a:exempi_project:exempi:*:*:*:*:*:*:*:*",
    "extracted_events":  [
        {
            "introduced":  "0"
        },
        {
            "last_affected":  "2.5.0"
        }
    ],
    "source":  [
        "CPE_RANGE",
        "REFERENCES"
    ]
}

Affected versions

2.*
2.1.1
2.2.0
2.2.1
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-2.1.0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-18652.json"
vanir_signatures 
[
    {
        "deprecated":  false,
        "digest":  {
            "function_hash":  "287489629788518566746366652779894257635",
            "length":  506
        },
        "id":  "CVE-2020-18652-40e223e3",
        "signature_type":  "Function",
        "signature_version":  "v1",
        "source":  "https://gitlab.freedesktop.org/libopenraw/exempi@acee2894ceb91616543927c2a6e45050c60f98f7",
        "target":  {
            "file":  "XMPFiles/source/FormatSupport/WEBP_Support.cpp",
            "function":  "VP8XChunk::VP8XChunk"
        }
    },
    {
        "deprecated":  false,
        "digest":  {
            "line_hashes":  [
                "19290389321265225874426330470930240808",
                "11227025886656892332355393183387779029",
                "46726694244881865389308129605577474543",
                "190687311370935777541703537973506947079",
                "2014808226921614575823072012764346177",
                "246110405176998061242691812275757246192"
            ],
            "threshold":  0.9
        },
        "id":  "CVE-2020-18652-4be099bb",
        "signature_type":  "Line",
        "signature_version":  "v1",
        "source":  "https://gitlab.freedesktop.org/libopenraw/exempi@acee2894ceb91616543927c2a6e45050c60f98f7",
        "target":  {
            "file":  "XMPFiles/source/FormatSupport/WEBP_Support.cpp"
        }
    }
]
vanir_signatures_modified 
"2026-07-08T23:58:12Z"