MEDIUM
The ff_h263_decode_mba function in libavcodec/ituh263dec.c in Libav before 11.5 allows remote attackers to cause a denial of service (divide-by-zero error and application crash) via a file with crafted dimensions
Published Apr 19, 2016
6.5
MEDIUMCVSS 3.0
EPSS 1.98%
Description
The ff_h263_decode_mba function in libavcodec/ituh263dec.c in Libav before 11.5 allows remote attackers to cause a denial of service (divide-by-zero error and application crash) via a file with crafted dimensions.
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.
1.98% 0.01978
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.01978
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.98% (0.01978) | 79.76th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.98% (0.01985) | 77.93th | v5 (v2026.06.15) |
| Mar 17, 2025 | 1.33% (0.01326) | 78.57th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.27% (0.01273) | 86.27th | v3 (v2023.03.01) |
| Dec 6, 2023 | 1.27% (0.01273) | 84.11th | v3 (v2023.03.01) |
| Nov 8, 2023 | 1.17% (0.01173) | 83.36th | v3 (v2023.03.01) |
| May 2, 2023 | 1.11% (0.01113) | 82.44th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.10% (0.01101) | 82.19th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.32% (0.01319) | 71.27th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.32% (0.01319) | 71.23th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.32% (0.01319) | 69.22th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.32% (0.01319) | 44.98th | v2 (v2022.01.01) |
Weaknesses (1)
References (6)
- http://lists.opensuse.org/opensuse-updates/2016-06/msg00105.html vendor-advisoryx_refsource_SUSEThird Party Advisory
- http://www.securityfocus.com/bid/75932 vdb-entryx_refsource_BID
- http://www.ubuntu.com/usn/USN-2944-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://blogs.gentoo.org/ago/2015/07/16/libav-divide-by-zero-in-ff_h263_decode_mba/ x_refsource_MISCIssue Tracking
- https://git.libav.org/?p=libav.git%3Ba=commitdiff%3Bh=0a49a62f998747cfa564d98d36a459fe70d3299b x_refsource_CONFIRM
- https://libav.org/releases/libav-11.5.changelog x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://lists.opensuse.org/opensuse-updates/2016-06/msg00105.html | vendor-advisoryx_refsource_SUSEThird Party Advisory | |
| http://www.securityfocus.com/bid/75932 | vdb-entryx_refsource_BID | |
| http://www.ubuntu.com/usn/USN-2944-1 | vendor-advisoryx_refsource_UBUNTUThird Party Advisory | |
| https://blogs.gentoo.org/ago/2015/07/16/libav-divide-by-zero-in-ff_h263_decode_mba/ | x_refsource_MISCIssue Tracking | |
| https://git.libav.org/?p=libav.git%3Ba=commitdiff%3Bh=0a49a62f998747cfa564d98d36a459fe70d3299b | x_refsource_CONFIRM | |
| https://libav.org/releases/libav-11.5.changelog | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Apr 19, 2016
Updated Aug 6, 2024
Reserved Jul 10, 2015
Link CVE-2015-5479
CISA Vulnrichment
Updated n/a