What is CVE-2018-20760?

CVE-2018-20760 is a high-severity vulnerability in Gpac, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2019-02-06.

How severe is CVE-2018-20760?

High severity. CVSS v3 base score is 7.8 out of 10.

Buffer overflow in Gpac

CVE-2018-20760

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 a certain -1 return value is mishandled.

Vulnerability class: Buffer Overflow

Published 2019-02-06 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.014 (71.7th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 72nd percentile — 71.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000

Affected products

Gpac
Canonical Ubuntu Linux — versions 16.04, 18.04, 18.10
Debian Linux — versions 8.0

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

lists.debian.org/debian-lts-announce/2019/02/msg00040.html (mailing-list, Mailing List, Third Party Advisory)
github.com/gpac/gpac/commit/4c1360818fc8948e9307059fba4dc47ba8ad255d (Patch, Third Party Advisory)
github.com/gpac/gpac/issues/1177 (Exploit, Third Party Advisory)
usn.ubuntu.com/3926-1/ (vendor-advisory, Third Party Advisory)

Frequently asked questions

What is CVE-2018-20760?: CVE-2018-20760 is a high-severity vulnerability in Gpac, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2019-02-06.
How severe is CVE-2018-20760?: High severity. CVSS v3 base score is 7.8 out of 10.