What’s Vulnerable › Vulnerabilities

CVE-2020-11558

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-04-05 · updated 2026-06-17
• Weakness: CWE-416

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.

Affected products

• GPAC: 0.8.0

References

• https://github.com/gpac/gpac/commit/6063b1a011c3f80cee25daade18154e15e4c058c
• https://github.com/gpac/gpac/issues/1440
• https://github.com/gpac/gpac/commit/6063b1a011c3f80cee25daade18154e15e4c058c
• https://github.com/gpac/gpac/issues/1440

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