CVE-2019-14443
MEDIUMCVSS 6.5/10EPSS 1.20%
Last modified
CVE-2019-14443 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. An issue was discovered in Libav 12.3. Division by zero in range_decode_culshift in libavcodec/apedec.c allows remote attackers to cause a denial of service (application crash), as demonstrated by avconv.. EPSS estimates a 1.20% chance of exploitation in the next 30 days.
Description
An issue was discovered in Libav 12.3. Division by zero in range_decode_culshift in libavcodec/apedec.c allows remote attackers to cause a denial of service (application crash), as demonstrated by avconv.
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 |
| Debian | Debian Linux | 8.0 |
References
- https://bugzilla.libav.org/show_bug.cgi?id=1161#c1Exploit, Issue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/12/msg00003.htmlMailing List, Third Party Advisory
- https://bugzilla.libav.org/show_bug.cgi?id=1161#c1Exploit, Issue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/12/msg00003.htmlMailing List, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-14443?
An issue was discovered in Libav 12.3. Division by zero in range_decode_culshift in libavcodec/apedec.c allows remote attackers to cause a denial of service (application crash), as demonstrated by avconv.
How severe is CVE-2019-14443?
CVE-2019-14443 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 1.20% probability of exploitation in the next 30 days.
How do I fix CVE-2019-14443?
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-2019-14443?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST