Every CVE Search/ Get API key

CVE-2020-26797

Mediainfo before version 20.08 has a heap buffer overflow vulnerability via MediaInfoLib:...

7.5 HighFix available

Mediainfo before version 20.08 has a heap buffer overflow vulnerability via MediaInfoLib::File_Gxf::ChooseParser_ChannelGrouping.

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
None
Integrity
None
Availability
High

Exploit likelihood

2.87%Up 2.2 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 7.5

Mediainfo before version 20.08 has a heap buffer overflow vulnerability via MediaInfoLib::File_Gxf::ChooseParser_ChannelGrouping.

Record
CVE-2020-26797
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness
CWE-787
Updated
2026-11-02
CVE List No score

Mediainfo before version 20.08 has a heap buffer overflow vulnerability via MediaInfoLib::File_Gxf::ChooseParser_ChannelGrouping.

Record
CVE-2020-26797
Updated
2026-11-02
EUVDEUVD-2020-19333 No score

Mediainfo before version 20.08 has a heap buffer overflow vulnerability via MediaInfoLib::File_Gxf::ChooseParser_ChannelGrouping.

Record
EUVD-2020-19333
Updated
2026-11-03
GitHub AdvisoriesGHSA-69fx-97mc-754f No score

Mediainfo before version 20.08 has a heap buffer overflow vulnerability via MediaInfoLib:...

Mediainfo before version 20.08 has a heap buffer overflow vulnerability via MediaInfoLib::File_Gxf::ChooseParser_ChannelGrouping.

Record
GHSA-69fx-97mc-754f
Weakness
CWE-787
Updated
2026-11-02
OSV 7.5

Mediainfo before version 20.08 has a heap buffer overflow vulnerability via MediaInfoLib::File_Gxf::ChooseParser_ChannelGrouping.

Record
CVE-2020-26797
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2020-26797 7.5

Mediainfo before version 20.08 has a heap buffer overflow vulnerability via MediaInfoLib::File_Gxf::ChooseParser_ChannelGrouping.

Record
DEBIAN-CVE-2020-26797
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2020-26797 7.5

Mediainfo before version 20.08 has a heap buffer overflow vulnerability via MediaInfoLib::File_Gxf::ChooseParser_ChannelGrouping.

Record
UBUNTU-CVE-2020-26797
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVUSN-5237-1 No score

libmediainfo vulnerabilities

It was discovered that MediaInfoLib incorrectly handled certain specially crafted files. An attacker could possibly use this issue to cause a denial of service. (CVE-2020-26797)

It was discovered that MediaInfoLib incorrectly handled certain specially crafted MpegPs files. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 18.04 ESM and Ubuntu 20.04 ESM. (CVE-2020-15395)

Record
USN-5237-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
libmediainfo
Debian:12
 before 20.09+dfsg-2
20.09+dfsg-2
libmediainfo
Debian:13
 before 20.09+dfsg-2
20.09+dfsg-2
libmediainfo
Debian:14
 before 20.09+dfsg-2
20.09+dfsg-2
libmediainfo
Debian:9
From an advisory covering 4 CVEs
 before 0.7.91-1+deb9u1, plus listed versions
0.7.91-1
0.7.91-1+deb9u1
libmediainfo
Ubuntu:Pro:14.04:LTS
 before 0.7.67-2ubuntu1+esm2, plus listed versions
0.7.64-20.7.64-30.7.65-10.7.67-10.7.67-20.7.67-2ubuntu10.7.67-2ubuntu1+esm1
0.7.67-2ubuntu1+esm2
libmediainfo
Ubuntu:Pro:16.04:LTS
 before 0.7.82-1ubuntu0.1~esm2, plus listed versions
0.7.73-1ubuntu10.7.80-10.7.81-10.7.82-10.7.82-1ubuntu0.1~esm1
0.7.82-1ubuntu0.1~esm2
libmediainfo
Ubuntu:Pro:18.04:LTS
 before 17.12-1ubuntu0.1+esm1, plus listed versions
0.7.98-20.7.99-117.10-117.12-117.12-1build117.12-1ubuntu0.1
17.12-1ubuntu0.1+esm1
libmediainfo
Ubuntu:Pro:20.04:LTS
 before 19.09+dfsg-2ubuntu0.1~esm1, plus listed versions
18.12-219.09+dfsg-119.09+dfsg-219.09+dfsg-2build1
19.09+dfsg-2ubuntu0.1~esm1
libmediainfo
Ubuntu:Pro:14.04:LTS
From an advisory covering 2 CVEs
 before 0.7.67-2ubuntu1+esm2, plus listed versions
0.7.64-20.7.64-30.7.65-10.7.67-10.7.67-20.7.67-2ubuntu10.7.67-2ubuntu1+esm1
0.7.67-2ubuntu1+esm2
libmediainfo
Ubuntu:Pro:16.04:LTS
From an advisory covering 2 CVEs
 before 0.7.82-1ubuntu0.1~esm2, plus listed versions
0.7.73-1ubuntu10.7.80-10.7.81-10.7.82-10.7.82-1ubuntu0.1~esm1
0.7.82-1ubuntu0.1~esm2
libmediainfo
Ubuntu:Pro:18.04:LTS
From an advisory covering 2 CVEs
 before 17.12-1ubuntu0.1+esm1, plus listed versions
0.7.98-20.7.99-117.10-117.12-117.12-1build117.12-1ubuntu0.1
17.12-1ubuntu0.1+esm1
libmediainfo
Ubuntu:Pro:20.04:LTS
From an advisory covering 2 CVEs
 before 19.09+dfsg-2ubuntu0.1~esm1, plus listed versions
18.12-219.09+dfsg-119.09+dfsg-219.09+dfsg-2build1
19.09+dfsg-2ubuntu0.1~esm1

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-26797 is a high vulnerability (CVSS 7.5) in Mediaarea Mediainfo, published March 18, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.87%, the 86th percentile. Fixed in libmediainfo 20.09+dfsg-2.

References

Show 4 moreShow less
Pages All vulnerabilities Browse Docs Sources Guide Get API key
MoveEnter Open