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CVE-2018-5766
In Libav through 12.2, there is an invalid memcpy in the av_packet_ref function of libavcodec/avpacket.c. Remote attackers could leverage…
High8.8EPSS 2.5%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
In Libav through 12.2, there is an invalid memcpy in the av_packet_ref function of libavcodec/avpacket.c. Remote attackers could leverage this vulnerability to cause a denial of service (segmentation fault) via a crafted avi file.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | High8.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 2.5% · top 15% of all CVEs (5 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.8.
Weakness
Affected products
n/a
- affected n/a
References (3)
- https://bugzilla.libav.org/show_bug.cgi?id=1112 (opens in a new tab)x_refsource_MISCx_transferred
- 102793 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- [debian-lts-announce] 20190902 [SECURITY] [DLA 1907-1] libav security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2018-5766)Record last updated .