CVE-2018-20763
CVE-2018-20763 is a high-severity vulnerability in Gpac Project Gpac with a CVSS 3.x base score of 7.8. 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: High (CVSS 3.x base score 7.8)
- CVSS v2: 6.8
- EPSS exploit prediction: 1% (69th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Gpac Project Gpac
- Published:
- Last modified:
Description
In GPAC 0.7.1 and earlier, gf_text_get_utf8_line in media_tools/text_import.c in libgpac_static.a allows an out-of-bounds write because of missing szLineConv bounds checking.
Frequently asked questions
- What is CVE-2018-20763?
- In GPAC 0.7.1 and earlier, gf_text_get_utf8_line in media_tools/text_import.c in libgpac_static.a allows an out-of-bounds write because of missing szLineConv bounds checking.
- How severe is CVE-2018-20763?
- CVE-2018-20763 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2018-20763 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-20763?
- CVE-2018-20763 primarily affects Gpac Project Gpac. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2018-20763?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2018-20763 published?
- CVE-2018-20763 was published on 2019-02-06 and last updated on 2026-06-17.
References
- https://github.com/gpac/gpac/commit/1c449a34fe0b50aaffb881bfb9d7c5ab0bb18cdd
- https://github.com/gpac/gpac/issues/1188
- https://lists.debian.org/debian-lts-announce/2019/02/msg00040.html
- https://usn.ubuntu.com/3926-1/
Affected products (5)
- cpe:2.3:a:gpac_project:gpac:*:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*
More vulnerabilities in Gpac Project Gpac
- CVE-2018-20762 — High (CVSS 7.8): GPAC version 0.7.1 and earlier has a buffer overflow vulnerability in the cat_multiple_files function in…
- CVE-2018-20761 — High (CVSS 7.8): GPAC version 0.7.1 and earlier has a Buffer Overflow vulnerability in the gf_sm_load_init function in scene_manager.c…
- CVE-2018-1000100 — High (CVSS 7.8): GPAC MP4Box version 0.7.1 and earlier contains a Buffer Overflow vulnerability in src/isomedia/avc_ext.c lines 2417 to…
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