Vulnerability Details : CVE-2020-21596
libde265 v1.0.4 contains a global buffer overflow in the decode_CABAC_bit function, which can be exploited via a crafted a file.
Vulnerability category: Overflow
Products affected by CVE-2020-21596
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
- cpe:2.3:a:struktur:libde265:1.0.4:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-21596
0.49%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 76 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-21596
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST | |
|
6.5
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
2.8
|
3.6
|
NIST |
CWE ids for CVE-2020-21596
-
The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-21596
-
https://lists.debian.org/debian-lts-announce/2023/01/msg00020.html
[SECURITY] [DLA 3280-1] libde265 security updateMailing List;Third Party Advisory
-
https://github.com/strukturag/libde265/issues/236
global buffer overflow in decode_CABAC_bit when decoding file · Issue #236 · strukturag/libde265 · GitHubExploit;Issue Tracking;Third Party Advisory
-
https://www.debian.org/security/2023/dsa-5346
Debian -- Security Information -- DSA-5346-1 libde265Third Party Advisory
Jump to