Executive Summary

Informations
Name CVE-2019-17539 First vendor Publication 2019-10-13
Vendor Cve Last vendor Modification 2021-06-10

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Overall CVSS Score 9.8
Base Score 9.8 Environmental Score 9.8
impact SubScore 5.9 Temporal Score 9.8
Exploitabality Sub Score 3.9
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact High
Integrity Impact High Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:P/I:P/A:P)
Cvss Base Score 7.5 Attack Range Network
Cvss Impact Score 6.4 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

In FFmpeg before 4.2, avcodec_open2 in libavcodec/utils.c allows a NULL pointer dereference and possibly unspecified other impact when there is no valid close function pointer.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-17539

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-476 NULL Pointer Dereference

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 224
Os 3
Os 2

Sources (Detail)

Source Url
DEBIAN https://www.debian.org/security/2020/dsa-4722
GENTOO https://security.gentoo.org/glsa/202003-65
MISC https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15733
https://github.com/FFmpeg/FFmpeg/commit/8df6884832ec413cf032dfaa45c23b1c7876670c
MLIST https://lists.debian.org/debian-lts-announce/2021/01/msg00026.html
UBUNTU https://usn.ubuntu.com/4431-1/

Alert History

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Date Informations
2021-06-10 17:23:00
  • Multiple Updates
2021-05-04 13:32:10
  • Multiple Updates
2021-04-22 02:46:36
  • Multiple Updates
2021-03-26 12:29:32
  • Multiple Updates
2021-01-31 13:22:45
  • Multiple Updates
2020-07-28 00:22:42
  • Multiple Updates
2020-07-09 17:22:39
  • Multiple Updates
2020-05-23 02:26:39
  • Multiple Updates
2019-10-15 17:19:56
  • Multiple Updates
2019-10-14 09:19:12
  • First insertion