CRITICAL
The CAF demuxer in modules/demux/caf.c in VideoLAN VLC media player 3.0.4 may read memory from an uninitialized pointer when processing magic cookies in CAF files, because a ReadKukiChunk() cast converts a return value to an unsigned int even if that value is negative
Published Dec 5, 2018
9.1
CRITICALCVSS 3.0
EPSS 3.92%
Description
The CAF demuxer in modules/demux/caf.c in VideoLAN VLC media player 3.0.4 may read memory from an uninitialized pointer when processing magic cookies in CAF files, because a ReadKukiChunk() cast converts a return value to an unsigned int even if that value is negative. This could result in a denial of service and/or a potential infoleak.
Affected products
No data.
Configuration 1
- 3.0.4
Configuration 2
- 9.0
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
9.1 CRITICAL NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact None
Availability Impact High
6.4 MEDIUM NVD
AV:N/AC:L/Au:N/C:P/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
3.92% 0.03916
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
EPSS probability 0.03916
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (21 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 3.92% (0.03916) | 90.00th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.92% (0.03916) | 88.92th | v5 (v2026.06.15) |
| Mar 17, 2025 | 1.57% (0.01574) | 80.28th | v4 (v2025.03.14) |
| Mar 10, 2025 | 34.29% (0.34295) | 97.21th | v3 (v2023.03.01) |
| Dec 17, 2024 | 41.81% (0.41814) | 97.36th | v3 (v2023.03.01) |
| Jun 30, 2024 | 52.87% (0.52867) | 97.60th | v3 (v2023.03.01) |
| Jun 6, 2024 | 72.94% (0.72943) | 98.09th | v3 (v2023.03.01) |
| May 18, 2024 | 77.91% (0.77912) | 98.23th | v3 (v2023.03.01) |
| Apr 27, 2024 | 82.02% (0.82019) | 98.34th | v3 (v2023.03.01) |
| Apr 5, 2024 | 86.59% (0.86594) | 98.53th | v3 (v2023.03.01) |
| Nov 29, 2023 | 90.79% (0.90788) | 98.54th | v3 (v2023.03.01) |
| Nov 8, 2023 | 91.55% (0.91555) | 98.61th | v3 (v2023.03.01) |
| Mar 7, 2023 | 92.04% (0.92036) | 98.34th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.54% (0.01537) | 74.52th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.54% (0.01537) | 74.48th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.54% (0.01537) | 72.41th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.54% (0.01537) | 51.33th | v2 (v2022.01.01) |
| Feb 3, 2022 | 2.57% (0.02567) | 55.02th | v1 |
| Jan 6, 2022 | 2.57% (0.02567) | 54.58th | v1 |
| Sep 1, 2021 | 2.57% (0.02567) | 78.88th | v1 |
| Apr 14, 2021 | 2.57% (0.02567) | 0.00th | v1 |
Weaknesses (1)
References (9)
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00005.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00037.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00040.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00081.html vendor-advisoryx_refsource_SUSE
- http://www.securityfocus.com/bid/106130 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://dyntopia.com/advisories/013-vlc x_refsource_MISCExploitThird Party Advisory
- https://git.videolan.org/?p=vlc.git%3Ba=commit%3Bh=0cc5ea748ee5ff7705dde61ab15dff8f58be39d0 x_refsource_MISC
- https://usn.ubuntu.com/4074-1/ vendor-advisoryx_refsource_UBUNTU
- https://www.debian.org/security/2019/dsa-4366 vendor-advisoryx_refsource_DEBIANThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00005.html | vendor-advisoryx_refsource_SUSE | |
| http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00037.html | vendor-advisoryx_refsource_SUSE | |
| http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00040.html | vendor-advisoryx_refsource_SUSE | |
| http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00081.html | vendor-advisoryx_refsource_SUSE | |
| http://www.securityfocus.com/bid/106130 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://dyntopia.com/advisories/013-vlc | x_refsource_MISCExploitThird Party Advisory | |
| https://git.videolan.org/?p=vlc.git%3Ba=commit%3Bh=0cc5ea748ee5ff7705dde61ab15dff8f58be39d0 | x_refsource_MISC | |
| https://usn.ubuntu.com/4074-1/ | vendor-advisoryx_refsource_UBUNTU | |
| https://www.debian.org/security/2019/dsa-4366 | vendor-advisoryx_refsource_DEBIANThird Party Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Dec 5, 2018
Updated Aug 5, 2024
Reserved Dec 5, 2018
Link CVE-2018-19857
CISA Vulnrichment
Updated n/a