CVE-2021-21843

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Source
https://cve.org/CVERecord?id=CVE-2021-21843
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-21843.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2021-21843
Downstream
Published
2021-08-18T13:15:07.673Z
Modified
2026-04-16T00:11:31.213169549Z
Severity
  • 8.8 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

Multiple exploitable integer overflow vulnerabilities exist within the MPEG-4 decoding functionality of the GPAC Project on Advanced Content library v1.0.1. A specially crafted MPEG-4 input can cause an integer overflow due to unchecked arithmetic resulting in a heap-based buffer overflow that causes memory corruption. After validating the number of ranges, at [41] the library will multiply the count by the size of the GF_SubsegmentRangeInfo structure. On a 32-bit platform, this multiplication can result in an integer overflow causing the space of the array being allocated to be less than expected. An attacker can convince a user to open a video to trigger this vulnerability.

Database specific 
{
    "unresolved_ranges": [
        {
            "source": "CPE_FIELD",
            "extracted_events": [
                {
                    "last_affected": "10.0"
                }
            ],
            "cpe": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*"
        },
        {
            "source": "CPE_FIELD",
            "extracted_events": [
                {
                    "last_affected": "11.0"
                }
            ],
            "cpe": "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*"
        }
    ]
}
References

Affected packages

Git / github.com/gpac/gpac

Affected ranges

Type
GIT
Repo
https://github.com/gpac/gpac
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
d8538e8ae946b32d99c6b2c57cbb327146e9cd9d
Database specific 
{
    "source": "CPE_FIELD",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "1.0.1"
        }
    ],
    "cpe": "cpe:2.3:a:gpac:gpac:1.0.1:*:*:*:*:*:*:*"
}

Affected versions

v0.*
v0.5.2
v0.6.0
v0.7.0
v0.7.1
v1.*
v1.0.1

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-21843.json"