CVE-2020-11558
An issue was discovered in libgpac.a in GPAC 0.8.0, as demonstrated by MP4Box....
CVE-2020-11558 is a critical vulnerability (CVSS 9.8) in Gpac, published April 5, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.54%, the 74th percentile. Fixed in gpac 1.0.1+dfsg1-2.
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2020-11558- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-416
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2020-11558- Updated
- 2026-11-02
EUVDEUVD-2020-3909 No score
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.
- Record
EUVD-2020-3909- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-vh3c-9xjh-4qgg No score
An issue was discovered in libgpac.a in GPAC 0.8.0, as demonstrated by MP4Box....
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.
- Record
GHSA-vh3c-9xjh-4qgg- Updated
- 2026-11-02
OSV
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.
- Record
CVE-2020-11558- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2020-11558
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.
- Record
DEBIAN-CVE-2020-11558- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2020-11558
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.
- Record
UBUNTU-CVE-2020-11558- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
gpacDebian:11 |
before 1.0.1+dfsg1-2 | 1.0.1+dfsg1-2 |
gpacUbuntu:Pro:14.04:LTS |
All versions, plus listed versions 0.5.0+svn4288~dfsg1-1ubuntu10.5.0+svn4288~dfsg1-40.5.0+svn4288~dfsg1-4ubuntu10.5.0+svn4288~dfsg1-4ubuntu1+esm10.5.0+svn4288~dfsg1-4ubuntu1+esm2 |
None known |
gpacUbuntu:Pro:16.04:LTS |
All versions, plus listed versions 0.5.2-426-gc5ad4e4+dfsg5-1build10.5.2-426-gc5ad4e4+dfsg5-1ubuntu0.10.5.2-426-gc5ad4e4+dfsg5-1ubuntu0.1+esm2 |
None known |
gpacUbuntu:Pro:18.04:LTS |
All versions, plus listed versions 0.5.2-426-gc5ad4e4+dfsg5-30.5.2-426-gc5ad4e4+dfsg5-3ubuntu0.10.5.2-426-gc5ad4e4+dfsg5-3ubuntu0.1+esm1 |
None known |
ccextractorUbuntu:20.04:LTS |
All versions, plus listed versions 0.87+ds1-1 |
None known |
gpacUbuntu:Pro:20.04:LTS |
All versions, plus listed versions 0.5.2-426-gc5ad4e4+dfsg5-4ubuntu10.5.2-426-gc5ad4e4+dfsg5-50.5.2-426-gc5ad4e4+dfsg5-5ubuntu0.1~esm2 |
None known |
ccextractorUbuntu:22.04:LTS |
All versions, plus listed versions 0.88+ds1-10.93+ds2-10.93+ds2-1ubuntu10.93+ds2-2 |
None known |
ccextractorUbuntu:24.04:LTS |
All versions, plus listed versions 0.94+ds1-30.94+ds1-3build20.94+ds1-3build3 |
None known |
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, GitHub Advisories, NVD, OSV |