MEDIUM
The vc1_decode_frame function in libavcodec/vc1dec.c in Libav 12.2 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted file
Published Dec 4, 2017
6.5
MEDIUMCVSS 3.0
EPSS 1.75%
Description
The vc1_decode_frame function in libavcodec/vc1dec.c in Libav 12.2 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted file.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
6.5 MEDIUM NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
4.3 MEDIUM NVD
AV:N/AC:M/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
1.75% 0.01755
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
EPSS probability 0.01755
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 1.75% (0.01755) | 77.13th | v5 (v2026.06.15) |
| Sep 20, 2026 | 1.75% (0.01755) | 76.93th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.49% (0.00487) | 76.28th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.49% (0.00487) | 75.32th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.49% (0.00487) | 73.00th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.57% (0.00569) | 74.45th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.14% (0.01136) | 59.45th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.14% (0.01136) | 34.23th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.30% (0.01300) | 31.12th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.30% (0.01300) | 0.00th | v1 |
Weaknesses (1)
References (3)
- https://bugzilla.libav.org/show_bug.cgi?id=1099 x_refsource_MISCExploitIssue Tracking
- https://deb.freexian.com/extended-lts/tracker/CVE-2017-17127 x_refsource_MISC
- https://lists.debian.org/debian-lts-announce/2019/12/msg00003.html mailing-listx_refsource_MLIST
| Link | Providers | Tags |
|---|---|---|
| https://bugzilla.libav.org/show_bug.cgi?id=1099 | x_refsource_MISCExploitIssue Tracking | |
| https://deb.freexian.com/extended-lts/tracker/CVE-2017-17127 | x_refsource_MISC | |
| https://lists.debian.org/debian-lts-announce/2019/12/msg00003.html | mailing-listx_refsource_MLIST |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Dec 4, 2017
Updated Aug 5, 2024
Reserved Dec 4, 2017
Link CVE-2017-17127
CISA Vulnrichment
Updated n/a