CVE-2020-18775
MEDIUMCVSS 6.5/10EPSS 0.89%
Last modified
CVE-2020-18775 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. In Libav 12.3, there is a heap-based buffer over-read in vc1_decode_b_mb_intfi in vc1_block.c that allows an attacker to cause denial-of-service via a crafted file.. EPSS estimates a 0.89% chance of exploitation in the next 30 days.
Description
In Libav 12.3, there is a heap-based buffer over-read in vc1_decode_b_mb_intfi in vc1_block.c that allows an attacker to cause denial-of-service via a crafted file.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Libav | Libav | 12.3 |
References
- https://bugzilla.libav.org/show_bug.cgi?id=1152Broken Link, Exploit, Issue Tracking, Third Party Advisory
- https://cwe.mitre.org/data/definitions/126.htmlTechnical Description
- https://bugzilla.libav.org/show_bug.cgi?id=1152Broken Link, Exploit, Issue Tracking, Third Party Advisory
- https://cwe.mitre.org/data/definitions/126.htmlTechnical Description
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-18775?
In Libav 12.3, there is a heap-based buffer over-read in vc1_decode_b_mb_intfi in vc1_block.c that allows an attacker to cause denial-of-service via a crafted file.
How severe is CVE-2020-18775?
CVE-2020-18775 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.89% probability of exploitation in the next 30 days.
How do I fix CVE-2020-18775?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2020-18775?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST