CVE-2020-23907

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Source
https://cve.org/CVERecord?id=CVE-2020-23907
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-23907.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2020-23907
Published
2021-04-21T18:15:08Z
Modified
2026-10-20T13:56:04Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

An issue was discovered in retdec v3.3. In function canSplitFunctionOn() of ir_modifications.cpp, there is a possible out of bounds read due to a heap buffer overflow. The impact is: Deny of Service, Memory Disclosure, and Possible Code Execution.

References

Affected packages

Git / github.com/avast/retdec

Affected ranges

Type
GIT
Repo
https://github.com/avast/retdec
Events
Introduced
ae298572cbbd9f863bb0d2e73464e15d2fa1d51b
Last Affected
ae298572cbbd9f863bb0d2e73464e15d2fa1d51b
Fixed
517298bafaaff0a8e3dd60dd055a67c41b545807
Database specific
Show details 
{
    "extracted_events":  [
        {
            "cpe":  "cpe:2.3:a:avast:retdec:3.3:*:*:*:*:*:*:*",
            "range":  [
                {
                    "introduced":  "3.3"
                },
                {
                    "last_affected":  "3.3"
                }
            ],
            "source":  "CPE_STRING"
        },
        {
            "range":  [
                {
                    "fixed":  "517298bafaaff0a8e3dd60dd055a67c41b545807"
                }
            ],
            "source":  "REFERENCES_COMMIT"
        }
    ]
}

Affected versions

3.*
3.3
v3.*
v3.3

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-23907.json"
vanir_signatures 
[
    {
        "deprecated":  false,
        "digest":  {
            "line_hashes":  [
                "81181108660029211192319018056302221706",
                "25703503116769433900536881559952372029",
                "165994067762022128395298378448903842303",
                "272892621920687439859005629979968855234",
                "325873420871746804634874681986513095314",
                "240898803062012598991558223846829213440",
                "329491573226994479570509301534243161639",
                "126545514820576248801930165245780264547"
            ],
            "threshold":  0.9
        },
        "id":  "CVE-2020-23907-2879d65a",
        "signature_type":  "Line",
        "signature_version":  "v1",
        "source":  "https://github.com/avast/retdec/commit/517298bafaaff0a8e3dd60dd055a67c41b545807",
        "target":  {
            "file":  "src/bin2llvmir/optimizations/decoder/ir_modifications.cpp"
        }
    }
]
vanir_signatures_modified 
"2026-10-20T13:56:04Z"