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Vulnerability details: VCID-7fq9-xmxt-cyas
Vulnerability ID VCID-7fq9-xmxt-cyas
Aliases CVE-2019-17539
Summary 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.
Status Published
Exploitability 0.5
Weighted Severity 8.8
Risk 4.4
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-476 NULL Pointer Dereference
System Score Found at
epss 0.00597 https://api.first.org/data/v1/epss?cve=CVE-2019-17539
epss 0.00597 https://api.first.org/data/v1/epss?cve=CVE-2019-17539
epss 0.00597 https://api.first.org/data/v1/epss?cve=CVE-2019-17539
epss 0.00597 https://api.first.org/data/v1/epss?cve=CVE-2019-17539
epss 0.00597 https://api.first.org/data/v1/epss?cve=CVE-2019-17539
epss 0.00597 https://api.first.org/data/v1/epss?cve=CVE-2019-17539
epss 0.00597 https://api.first.org/data/v1/epss?cve=CVE-2019-17539
epss 0.00597 https://api.first.org/data/v1/epss?cve=CVE-2019-17539
epss 0.00597 https://api.first.org/data/v1/epss?cve=CVE-2019-17539
epss 0.00597 https://api.first.org/data/v1/epss?cve=CVE-2019-17539
epss 0.00597 https://api.first.org/data/v1/epss?cve=CVE-2019-17539
epss 0.00597 https://api.first.org/data/v1/epss?cve=CVE-2019-17539
epss 0.00597 https://api.first.org/data/v1/epss?cve=CVE-2019-17539
epss 0.00597 https://api.first.org/data/v1/epss?cve=CVE-2019-17539
epss 0.00597 https://api.first.org/data/v1/epss?cve=CVE-2019-17539
epss 0.00597 https://api.first.org/data/v1/epss?cve=CVE-2019-17539
epss 0.00597 https://api.first.org/data/v1/epss?cve=CVE-2019-17539
epss 0.00597 https://api.first.org/data/v1/epss?cve=CVE-2019-17539
epss 0.00597 https://api.first.org/data/v1/epss?cve=CVE-2019-17539
cvssv3 3.3 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 7.5 https://nvd.nist.gov/vuln/detail/CVE-2019-17539
cvssv3.1 9.8 https://nvd.nist.gov/vuln/detail/CVE-2019-17539
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2019-17539
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15733
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-13390
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-17539
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-17542
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12284
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-13904
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-20448
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-20902
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://github.com/FFmpeg/FFmpeg/commit/8df6884832ec413cf032dfaa45c23b1c7876670c
https://lists.debian.org/debian-lts-announce/2021/01/msg00026.html
https://security.gentoo.org/glsa/202003-65
https://www.debian.org/security/2020/dsa-4722
cpe:2.3:a:ffmpeg:ffmpeg:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:ffmpeg:ffmpeg:*:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
CVE-2019-17539 https://nvd.nist.gov/vuln/detail/CVE-2019-17539
USN-4431-1 https://usn.ubuntu.com/4431-1/
No exploits are available.
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2019-17539
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2019-17539
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.68413
EPSS Score 0.00597
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:30:33.086061+00:00 Alpine Linux Importer Import https://secdb.alpinelinux.org/v3.21/community.json 37.0.0