CVE-2018-20760 json
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 c…
published 7y ago modified 4mo ago also EUVD-2018-13303
- cvss
- 7.8
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.4%
- EPSS 1.4% chance of exploitation in 30 days, percentile 72%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- gpac Debian 11 0.5.2-426-gc5ad4e4+dfsg5-4.1
debian advisories DEBIAN-CVE-2018-20760
- gpac Ubuntu 16.04 LTS 0.5.2-426-gc5ad4e4+dfsg5-1ubuntu0.1
- gpac Ubuntu 18.04 LTS 0.5.2-426-gc5ad4e4+dfsg5-3ubuntu0.1
- gpac Ubuntu Pro 14.04 LTS 0.5.0+svn4288~dfsg1-4ubuntu1+esm1
ubuntu advisories UBUNTU-CVE-2018-20760
Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
- github.com/gpac/gpac@4c13608 commit
Is CVE-2018-20760 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerExploit prediction
1.41% chance of exploitation in the next 30 days, higher than 72% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- github.com https://github.com/gpac/gpac/issues/1177 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 7.8 | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-787 Out-of-bounds Write
References
-
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
-
lists.debian.org
/debian-lts-announce/2019/02/msg00040.html
mailing-list, third-party-advisory
Sources
- CVE List CVE-2018-20760
- NVD CVE-2018-20760
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.