Security readout for executives and security teams
Plain-English summary
GPAC 0.7.1 and earlier can write outside intended memory while importing certain text content. For a business, the risk is highest where GPAC processes files from customers, partners, or automated media pipelines. The source bundle does not provide CVSS, affected package ranges beyond GPAC 0.7.1 and earlier, or evidence of exploitation.
Executive priority
Prioritize remediation for internet-facing or automated media-processing systems. Desktop-only or tightly controlled uses are lower urgency, but the memory-corruption nature still justifies patching during the next security maintenance cycle.
Technical view
The flaw is in gf_text_get_utf8_line in media_tools/text_import.c within libgpac_static.a. A specific -1 return value is mishandled, leading to an out-of-bounds write. Debian and Ubuntu published security updates, and GPAC has a referenced upstream commit and issue. Impact details are incomplete in the bundle.
Likely exposure
Exposure is likely limited to systems running GPAC 0.7.1 or earlier, including embedded or statically linked libgpac builds, especially where untrusted media or text import inputs are processed.
Exploitation context
The bundle does not cite active exploitation, and KEV is false. The issue is memory corruption triggered by malformed input handling, so practical risk depends on whether vulnerable GPAC components process attacker-supplied files.
Researcher notes
Evidence is thin: no CVSS, CWE, or detailed impact is included in the source bundle. Focus analysis on version confirmation, downstream static linking, distro backports, and whether text import parsing is reachable from untrusted files.
Mitigation direction
- Apply GPAC updates from Debian, Ubuntu, or upstream vendor guidance.
- Replace GPAC 0.7.1 or earlier in statically linked applications.
- Restrict processing of untrusted media/text inputs until patched.
- Check GPAC upstream issue and commit for remediation context.
Validation and detection
- Inventory hosts and applications using GPAC or libgpac_static.a.
- Confirm deployed GPAC versions are newer than 0.7.1 or vendor-patched.
- Review media ingestion workflows for untrusted text import inputs.
- Verify Debian DLA or Ubuntu USN updates are applied where relevant.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2018-20760 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- [debian-lts-announce] 20190227 [SECURITY] [DLA 1693-1] gpac security updateCVE reference · mailing-list, x_refsource_MLIST
- https://github.com/gpac/gpac/commit/4c1360818fc8948e9307059fba4dc47ba8ad255dCVE reference · x_refsource_MISC
- https://github.com/gpac/gpac/issues/1177CVE reference · x_refsource_MISC
- USN-3926-1CVE reference · vendor-advisory, x_refsource_UBUNTU
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.