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Vulnerability details: VCID-gdzk-3mcu-jqdj
Vulnerability ID VCID-gdzk-3mcu-jqdj
Aliases CVE-2019-11338
Summary libavcodec/hevcdec.c in FFmpeg 3.4 and 4.1.2 mishandles detection of duplicate first slices, which allows remote attackers to cause a denial of service (NULL pointer dereference and out-of-array access) or possibly have unspecified other impact via crafted HEVC data.
Status Published
Exploitability 0.5
Weighted Severity 7.9
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-476 NULL Pointer Dereference
System Score Found at
epss 0.01503 https://api.first.org/data/v1/epss?cve=CVE-2019-11338
epss 0.01503 https://api.first.org/data/v1/epss?cve=CVE-2019-11338
epss 0.01503 https://api.first.org/data/v1/epss?cve=CVE-2019-11338
epss 0.01503 https://api.first.org/data/v1/epss?cve=CVE-2019-11338
epss 0.01503 https://api.first.org/data/v1/epss?cve=CVE-2019-11338
epss 0.01503 https://api.first.org/data/v1/epss?cve=CVE-2019-11338
epss 0.01503 https://api.first.org/data/v1/epss?cve=CVE-2019-11338
epss 0.01503 https://api.first.org/data/v1/epss?cve=CVE-2019-11338
epss 0.01503 https://api.first.org/data/v1/epss?cve=CVE-2019-11338
epss 0.01503 https://api.first.org/data/v1/epss?cve=CVE-2019-11338
epss 0.01503 https://api.first.org/data/v1/epss?cve=CVE-2019-11338
epss 0.01503 https://api.first.org/data/v1/epss?cve=CVE-2019-11338
epss 0.01503 https://api.first.org/data/v1/epss?cve=CVE-2019-11338
epss 0.01503 https://api.first.org/data/v1/epss?cve=CVE-2019-11338
epss 0.01503 https://api.first.org/data/v1/epss?cve=CVE-2019-11338
epss 0.01503 https://api.first.org/data/v1/epss?cve=CVE-2019-11338
epss 0.02029 https://api.first.org/data/v1/epss?cve=CVE-2019-11338
epss 0.02029 https://api.first.org/data/v1/epss?cve=CVE-2019-11338
epss 0.02029 https://api.first.org/data/v1/epss?cve=CVE-2019-11338
epss 0.02029 https://api.first.org/data/v1/epss?cve=CVE-2019-11338
epss 0.02029 https://api.first.org/data/v1/epss?cve=CVE-2019-11338
epss 0.02029 https://api.first.org/data/v1/epss?cve=CVE-2019-11338
epss 0.02029 https://api.first.org/data/v1/epss?cve=CVE-2019-11338
epss 0.02029 https://api.first.org/data/v1/epss?cve=CVE-2019-11338
epss 0.02029 https://api.first.org/data/v1/epss?cve=CVE-2019-11338
cvssv2 6.8 https://nvd.nist.gov/vuln/detail/CVE-2019-11338
cvssv3.1 8.8 https://nvd.nist.gov/vuln/detail/CVE-2019-11338
Reference id Reference type URL
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00012.html
https://api.first.org/data/v1/epss?cve=CVE-2019-11338
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-15822
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1999011
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11338
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-12730
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-9718
https://github.com/FFmpeg/FFmpeg/commit/54655623a82632e7624714d7b2a3e039dc5faa7e
https://github.com/FFmpeg/FFmpeg/commit/9ccc633068c6fe76989f487c8932bd11886ad65b
https://lists.debian.org/debian-lts-announce/2019/05/msg00043.html
https://seclists.org/bugtraq/2019/May/60
https://www.debian.org/security/2019/dsa-4449
http://www.securityfocus.com/bid/108034
cpe:2.3:a:ffmpeg:ffmpeg:3.4:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:ffmpeg:ffmpeg:3.4:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:4.1.2:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:ffmpeg:ffmpeg:4.1.2:*:*:*:*:*:*:*
cpe:2.3:a:novell:suse_package_hub_for_suse_linux_enterprise:12:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:novell:suse_package_hub_for_suse_linux_enterprise:12:*:*:*:*:*:*:*
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:18.10:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*
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:8.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
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-2019-11338 https://nvd.nist.gov/vuln/detail/CVE-2019-11338
USN-3967-1 https://usn.ubuntu.com/3967-1/
USN-4431-1 https://usn.ubuntu.com/4431-1/
No exploits are available.
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2019-11338
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:R/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2019-11338
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 0.80388
EPSS Score 0.01503
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:28:38.916849+00:00 Alpine Linux Importer Import https://secdb.alpinelinux.org/v3.17/community.json 37.0.0