CVE-2021-30019
CVE-2021-30019 is a medium-severity vulnerability in Gpac with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.
Key facts
- Severity: Medium (CVSS 3.x base score 5.5)
- CVSS v2: 4.3
- EPSS exploit prediction: 1% (56th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Gpac
- Published:
- Last modified:
Description
In the adts_dmx_process function in filters/reframe_adts.c in GPAC 1.0.1, a crafted file may cause ctx->hdr.frame_size to be smaller than ctx->hdr.hdr_size, resulting in size to be a negative number and a heap overflow in the memcpy.
Frequently asked questions
- What is CVE-2021-30019?
- In the adts_dmx_process function in filters/reframe_adts.c in GPAC 1.0.1, a crafted file may cause ctx->hdr.frame_size to be smaller than ctx->hdr.hdr_size, resulting in size to be a negative number and a heap overflow in the memcpy.
- How severe is CVE-2021-30019?
- CVE-2021-30019 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2021-30019 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-30019?
- CVE-2021-30019 affects Gpac. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-30019?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-30019 published?
- CVE-2021-30019 was published on 2021-04-19 and last updated on 2026-06-17.
References
- https://github.com/gpac/gpac/commit/22774aa9e62f586319c8f107f5bae950fed900bc
- https://github.com/gpac/gpac/issues/1723
Affected products (1)
- cpe:2.3:a:gpac:gpac:1.0.1:*:*:*:*:*:*:*
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