CVE-2020-23915

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Source
https://nvd.nist.gov/vuln/detail/CVE-2020-23915
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-23915.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2020-23915
Downstream
Published
2021-04-21T18:15:08.270Z
Modified
2025-11-20T11:21:32.899559Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

An issue was discovered in cpp-peglib through v0.1.12. peg::resolveescapesequence() in peglib.h has a heap-based buffer over-read.

References

Affected packages

Git / github.com/yhirose/cpp-peglib

Affected ranges

Type
GIT
Repo
https://github.com/yhirose/cpp-peglib
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
b3b29ce8f3acf3a32733d930105a17d7b0ba347e

Affected versions

v0.*

v0.1.0
v0.1.1
v0.1.10
v0.1.11
v0.1.12
v0.1.2
v0.1.3
v0.1.4
v0.1.5
v0.1.6
v0.1.7
v0.1.8
v0.1.9

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-23915.json"

vanir_signatures

[
    {
        "target": {
            "function": "codepoint_length",
            "file": "peglib.h"
        },
        "id": "CVE-2020-23915-8629b90c",
        "deprecated": false,
        "signature_type": "Function",
        "source": "https://github.com/yhirose/cpp-peglib/commit/b3b29ce8f3acf3a32733d930105a17d7b0ba347e",
        "signature_version": "v1",
        "digest": {
            "function_hash": "73004964111901588551179169896409950747",
            "length": 335.0
        }
    },
    {
        "target": {
            "file": "peglib.h"
        },
        "id": "CVE-2020-23915-988a499c",
        "deprecated": false,
        "signature_type": "Line",
        "source": "https://github.com/yhirose/cpp-peglib/commit/b3b29ce8f3acf3a32733d930105a17d7b0ba347e",
        "signature_version": "v1",
        "digest": {
            "line_hashes": [
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                "339036016034052883856440544981514003458",
                "56011554680543042233893566455295825915",
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                "57542540629536009684787878544379393432",
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                "204655458009423361391753162629023155560",
                "37513945751004088926040296577665629182"
            ],
            "threshold": 0.9
        }
    }
]