VulnerabilityModified
CVE-2020-11558
This leads to various use-after-free outcomes involving mdia_Read, gf_isom_delete_movie, and gf_isom_parse_movie_boxes.
CRITICAL 9.8EPSS 1.54%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.54%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
An issue was discovered in libgpac.a in GPAC 0.8.0, as demonstrated by MP4Box. audio_sample_entry_Read in isomedia/box_code_base.c does not properly decide when to make gf_isom_box_del calls. This leads to various use-after-free outcomes involving mdia_Read, gf_isom_delete_movie, and gf_isom_parse_movie_boxes.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.54% probability · 73th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- gpac/gpac
- Source
- cve@mitre.org
References
- https://github.com/gpac/gpac/commit/6063b1a011c3f80cee25daade18154e15e4c058cPatch, Third Party Advisory
- https://github.com/gpac/gpac/issues/1440Exploit, Third Party Advisory
- https://github.com/gpac/gpac/commit/6063b1a011c3f80cee25daade18154e15e4c058cPatch, Third Party Advisory
- https://github.com/gpac/gpac/issues/1440Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.