CVE-2019-20630
CVE-2019-20630 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-125.
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-125
- Affected product: Gpac
- Published:
- Last modified:
Description
An issue was discovered in libgpac.a in GPAC before 0.8.0, as demonstrated by MP4Box. It contains a heap-based buffer over-read in BS_ReadByte (called from gf_bs_read_bit) in utils/bitstream.c that can cause a denial of service via a crafted MP4 file.
Frequently asked questions
- What is CVE-2019-20630?
- An issue was discovered in libgpac.a in GPAC before 0.8.0, as demonstrated by MP4Box. It contains a heap-based buffer over-read in BS_ReadByte (called from gf_bs_read_bit) in utils/bitstream.c that can cause a denial of service via a crafted MP4 file.
- How severe is CVE-2019-20630?
- CVE-2019-20630 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-2019-20630 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-2019-20630?
- CVE-2019-20630 affects Gpac. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2019-20630?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2019-20630 published?
- CVE-2019-20630 was published on 2020-03-24 and last updated on 2026-06-17.
References
- https://github.com/gpac/gpac/commit/1ab4860609f2e7a35634930571e7d0531297e090
- https://github.com/gpac/gpac/issues/1268
Affected products (1)
- cpe:2.3:a:gpac:gpac:*:*:*:*:*:*:*:*
More vulnerabilities in Gpac
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