CVE-2020-21596: Buffer Overflow
First published: Thu Sep 16 2021(Updated: )
libde265 v1.0.4 contains a global buffer overflow in the decode_CABAC_bit function, which can be exploited via a crafted a file.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Struktur Libde265 | =1.0.4 | |
| Debian Debian Linux | =10.0 | |
| Debian Debian Linux | =11.0 | |
| ubuntu/libde265 | <1.0.2-2ubuntu0.18.04.1~ | 1.0.2-2ubuntu0.18.04.1~ |
| ubuntu/libde265 | <1.0.4-1ubuntu0.1 | 1.0.4-1ubuntu0.1 |
| ubuntu/libde265 | <1.0.2-2ubuntu0.16.04.1~ | 1.0.2-2ubuntu0.16.04.1~ |
| debian/libde265 | <=1.0.3-1 | 1.0.11-0+deb10u6 1.0.11-0+deb11u3 1.0.11-0+deb11u1 1.0.11-1+deb12u2 1.0.15-1 |
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Reference Links
- https://security-tracker.debian.org/tracker/CVE-2020-21594
- https://github.com/strukturag/libde265/issues/233
- https://security-tracker.debian.org/tracker/CVE-2020-21595
- https://github.com/strukturag/libde265/issues/239
- https://security-tracker.debian.org/tracker/CVE-2020-21596
- https://github.com/strukturag/libde265/issues/236
- https://security-tracker.debian.org/tracker/CVE-2020-21597
- https://github.com/strukturag/libde265/issues/238
- https://security-tracker.debian.org/tracker/CVE-2020-21599
- https://github.com/strukturag/libde265/issues/235
- https://security-tracker.debian.org/tracker/CVE-2020-21601
- https://github.com/strukturag/libde265/issues/241
- https://security-tracker.debian.org/tracker/CVE-2020-21603
- https://github.com/strukturag/libde265/issues/240
- https://security-tracker.debian.org/tracker/CVE-2020-21604
- https://github.com/strukturag/libde265/issues/231
- https://security-tracker.debian.org/tracker/CVE-2020-21605
- https://github.com/strukturag/libde265/issues/234
- https://security-tracker.debian.org/tracker/CVE-2020-21606
- https://github.com/strukturag/libde265/issues/232
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-21594
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-21595
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-21596
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-21597
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-21599
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-21601
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-21603
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-21604
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-21605
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-21606
- https://security-tracker.debian.org/tracker/CVE-2020-2159
- https://security-tracker.debian.org/tracker/CVE-2020-2160
- https://security-tracker.debian.org/tracker/CVE-2020-21598
- https://security-tracker.debian.org/tracker/CVE-2020-21600
- https://security-tracker.debian.org/tracker/CVE-2020-21602
- https://security-tracker.debian.org/tracker/CVE-2021-35452
- https://security-tracker.debian.org/tracker/CVE-2021-36408
- https://security-tracker.debian.org/tracker/CVE-2021-36409
- https://security-tracker.debian.org/tracker/CVE-2021-36410
- https://security-tracker.debian.org/tracker/CVE-2021-36411
- https://security-tracker.debian.org/tracker/CVE-2022-1253
- https://security-tracker.debian.org/tracker/CVE-2022-43243
- https://security-tracker.debian.org/tracker/CVE-2022-43248
- https://security-tracker.debian.org/tracker/CVE-2022-43253
- https://security-tracker.debian.org/tracker/CVE-2022-43235
- https://security-tracker.debian.org/tracker/CVE-2022-43236
- https://security-tracker.debian.org/tracker/CVE-2022-43237
- https://security-tracker.debian.org/tracker/CVE-2022-43238
- https://security-tracker.debian.org/tracker/CVE-2022-43239
- https://security-tracker.debian.org/tracker/CVE-2022-43240
- https://security-tracker.debian.org/tracker/CVE-2022-43241
- https://security-tracker.debian.org/tracker/CVE-2022-43242
- https://security-tracker.debian.org/tracker/CVE-2022-43244
- https://security-tracker.debian.org/tracker/CVE-2022-43250
- https://security-tracker.debian.org/tracker/CVE-2022-43252
- https://security-tracker.debian.org/tracker/CVE-2022-43245
- https://security-tracker.debian.org/tracker/CVE-2022-47655
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1029397
- https://lists.debian.org/debian-lts-announce/2023/01/msg00020.html
- https://www.debian.org/security/2023/dsa-5346
- https://launchpad.net/bugs/cve/CVE-2020-21596
- https://github.com/strukturag/libde265/commit/6751f4e3c8c7af63d0036fedd506b7932630773c
- https://ubuntu.com/security/notices/USN-6617-1
- https://www.cve.org/CVERecord?id=CVE-2020-21596
- https://nvd.nist.gov/vuln/detail/CVE-2020-21596
- https://ubuntu.com/security/CVE-2020-21596
Frequently Asked Questions
What is CVE-2020-21596?
CVE-2020-21596 is a vulnerability in libde265 v1.0.4 that allows for a global buffer overflow in the decode_CABAC_bit function.
How severe is CVE-2020-21596?
CVE-2020-21596 has a severity score of 6.5, which is considered high.
How can CVE-2020-21596 be exploited?
CVE-2020-21596 can be exploited by utilizing a crafted file.
Which versions of libde265 are affected by CVE-2020-21596?
Versions 1.0.3-1 of libde265 are affected by CVE-2020-21596.
Where can I find more information about CVE-2020-21596?
You can find more information about CVE-2020-21596 on the Debian Security Tracker and the GitHub repository for libde265.
- collector/debian-bugs
- alias/CVE-2020-21596
- collector/nvd-index
- agent/type
- agent/last-modified-date
- agent/weakness
- agent/severity
- agent/references
- agent/first-publish-date
- agent/description
- collector/launchpad-cve
- source/Launchpad
- collector/nvd-cve
- source/NVD
- agent/software-canonical-lookup
- agent/author
- agent/tags
- agent/event
- collector/security-tracker-debian
- source/Debian
- agent/softwarecombine
- collector/usn-cve
- source/Ubuntu
- vendor/struktur
- canonical/struktur libde265
- version/struktur libde265/1.0.4
- vendor/debian
- canonical/debian debian linux
- version/debian debian linux/10.0
- version/debian debian linux/11.0
- package-manager/debian
- package-manager/ubuntu