5.5

CVE-2018-20357: audiocoding freeware_advanced_audio_decoder_2 NULL Pointer Dereference

CVSS: 5.5v3.0MediumModified
AliasesALPINE-CVE-2018-20357UBUNTU-CVE-2018-20357DEBIAN-CVE-2018-20357
Published 22-12-2018Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2018-20357 is a medium (CVSS 5.5) NULL Pointer Dereference vulnerability in audiocoding freeware_advanced_audio_decoder_2. EPSS estimates a 1.17% chance of exploitation in the next 30 days, higher than 66.8% 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
1.17%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Advisory lineage

Upstream 0 · Downstream 1
DSA-4522-1

Timeline

  1. 22-12-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

A NULL pointer dereference was discovered in sbr_process_channel of libfaad/sbr_dec.c in Freeware Advanced Audio Decoder 2 (FAAD2) 2.8.8. The vulnerability causes a segmentation fault and application crash.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

1.17%

Chance of exploitation in the next 30 days

Percentile

67%

Versus all other CVEs

30-day change

0.00 pp

From 1.17% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.17%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Faad2

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Alpine1 product
  • faad2< 2.9.0-r0
Audiocoding1 product
Debian1 product
  • faad2< 2.8.8-2
Ubuntu1 product
  • faad2All versions (No fix recorded)

4 vendors · 4 products

References

8 links