7.8

CVE-2020-22219: flac_project flac Classic Buffer Overflow

CVSS: 7.8v3.1HighModified
AliasesMGASA-2023-0277SUSE-SU-2023:3635-1RHSA-2023:5042
Published 22-08-2023Last modified 03-10-2024
Open JSON

Vulnerability summary

CVE-2020-22219 is a high (CVSS 7.8) Classic Buffer Overflow vulnerability in flac_project flac. EPSS estimates a 0.79% chance of exploitation in the next 30 days, higher than 55.8% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
41/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (NVD)
EPSS score
0.79%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Timeline

  1. 22-08-2023
    PublishedVulnerability first disclosed.
  2. 03-10-2024
    Last modifiedVulnerability information updated.

Description

Buffer Overflow vulnerability in function bitwriter_grow_ in flac before 1.4.0 allows remote attackers to run arbitrary code via crafted input to the encoder.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.79%

Chance of exploitation in the next 30 days

Percentile

56%

Versus all other CVEs

30-day change

0.00 pp

From 0.79% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.79%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Flac

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Redhat6 products
  • flac< 0:1.3.2-9.el8_1.1 | < 0:1.3.2-9.el8_2.1 | < 0:1.3.2-9.el8_4.1 | < 0:1.3.2-9.el8_6.1 | < 0:1.3.2-9.el8_8.1 | < 0:1.3.3-9.el9_0.1 | < 0:1.3.3-10.el9_2.1
  • flac-debuginfo< 0:1.3.2-9.el8_1.1 | < 0:1.3.2-9.el8_2.1 | < 0:1.3.2-9.el8_4.1 | < 0:1.3.2-9.el8_6.1 | < 0:1.3.2-9.el8_8.1 | < 0:1.3.3-9.el9_0.1 | < 0:1.3.3-10.el9_2.1
  • flac-debugsource< 0:1.3.2-9.el8_1.1 | < 0:1.3.2-9.el8_2.1 | < 0:1.3.2-9.el8_4.1 | < 0:1.3.2-9.el8_6.1 | < 0:1.3.2-9.el8_8.1 | < 0:1.3.3-9.el9_0.1 | < 0:1.3.3-10.el9_2.1
  • flac-devel< 0:1.3.2-9.el8_6.1 | < 0:1.3.2-9.el8_8.1 | < 0:1.3.3-9.el9_0.1 | < 0:1.3.3-10.el9_2.1
  • flac-libs< 0:1.3.2-9.el8_1.1 | < 0:1.3.2-9.el8_2.1 | < 0:1.3.2-9.el8_4.1 | < 0:1.3.2-9.el8_6.1 | < 0:1.3.2-9.el8_8.1 | < 0:1.3.3-9.el9_0.1 | < 0:1.3.3-10.el9_2.1
Suse6 products
  • flac&distro=SUSE Linux Enterprise Module for Basesystem 15 SP4< 1.3.2-150000.3.14.1
  • flac&distro=SUSE Linux Enterprise Module for Basesystem 15 SP5< 1.3.2-150000.3.14.1
  • flac&distro=SUSE Linux Enterprise Module for Package Hub 15 SP4< 1.3.2-150000.3.14.1
  • flac&distro=SUSE Linux Enterprise Module for Package Hub 15 SP5< 1.3.2-150000.3.14.1
  • flac&distro=SUSE Manager Proxy 4.2< 1.3.2-150000.3.14.1
Opensuse2 products
  • flac&distro=openSUSE Leap 15.4< 1.3.2-150000.3.14.1
  • flac&distro=openSUSE Leap 15.5< 1.3.2-150000.3.14.1
Debian1 product
  • flac< 1.4.1-1 | < 1.3.3-2+deb11u2 | < 1.3.2-3+deb10u3
Flac_project1 product
Mageia1 product
  • flac< 1.3.3-3.2.mga8
Ubuntu1 product
  • flac< 1.3.3-1ubuntu0.2 | < 1.3.3-2ubuntu0.2 | < 1.3.0-2ubuntu0.14.04.1+esm2 | < 1.3.1-4ubuntu0.1~esm2 | < 1.3.2-1ubuntu0.1+esm1

7 vendors · 18 products

References

34 links
Show all 34 references