9.8

CVE-2017-16840: debian debian_linux Out-of-bounds Read

CVSS: 9.8v3.1CriticalModified
AliasesUBUNTU-CVE-2017-16840DEBIAN-CVE-2017-16840
Published 21-11-2017Last modified 05-08-2024

Vulnerability summary

CVE-2017-16840 is a critical (CVSS 9.8) Out-of-bounds Read vulnerability in debian debian_linux. EPSS estimates a 3.33% chance of exploitation in the next 30 days, higher than 88.4% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
3.33%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 5 · Related 3

Timeline

  1. 21-11-2017
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

The VC-2 Video Compression encoder in FFmpeg 3.0 and 3.4 allows remote attackers to cause a denial of service (out-of-bounds read) because of incorrect buffer padding for non-Haar wavelets, related to libavcodec/vc2enc.c and libavcodec/vc2enc_dwt.c.

CVSS metrics

5 scores · 3 sources · 3 versions

EPSS trend

Probability

3.33%

Chance of exploitation in the next 30 days

Percentile

88%

Versus all other CVEs

30-day change

0.00 pp

From 3.33% on 18-09-2026

18-09-202618-10-2026
EPSS score
3.33%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian2 products
Ffmpeg1 product
Ubuntu1 product
  • ffmpeg< 7:3.4.1-1

3 vendors · 4 products

References

8 links