5.5

CVE-2016-9820: libav Numeric Errors

CVSS: 5.5v3.0MediumModified
AliasesUBUNTU-CVE-2016-9820
Published 01-03-2017Last modified 06-08-2024
Open JSON

Vulnerability summary

CVE-2016-9820 is a medium (CVSS 5.5) Numeric Errors vulnerability in libav. EPSS estimates a 0.94% chance of exploitation in the next 30 days, higher than 60.1% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
32/100
0100
Medium · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.0 (NVD)
EPSS score
0.94%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 1
DLA-791-1

Timeline

  1. 01-03-2017
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

libavcodec/mpegvideo_motion.c in libav 11.8 allows remote attackers to cause a denial of service (crash) via vectors involving left shift of a negative value.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

0.94%

Chance of exploitation in the next 30 days

Percentile

60%

Versus all other CVEs

30-day change

0.00 pp

From 0.94% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.94%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (blogs.gentoo.org)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Libav1 product
Ubuntu1 product
  • libav< 6:9.20-0ubuntu0.14.04.1+esm1

2 vendors · 2 products

References

6 links