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TI-2020-14307 Aliases CVE-2020-22219GHSA-hvp4-qmrj-gvhf

Buffer Overflow vulnerability in function bitwriter_grow_ in flac before 1.4.0 allows…

Priority HIGH 69CWE-120Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Partial Red Hat: 15 fixed, 1 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-120 and the CVSS impact.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00794 56th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Partial Red Hat: 7 advisoriesRed Hat: 15 fixed, 1 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:flac_project:flac:*:*:*:*:*:*:*:*before 1.4.0VulnerableFlac Project
  • cpe:2.3:a:flac_project:flac:*:*:*:*:*:*:*:* Versions before 1.4.0 Vulnerable ·Flac Project

Remediation

Red Hat 7 advisories

  • RHSA-2023:5046 Released 2023-09-11 · Red Hat rating Important
    flac security update
    • Red Hat Enterprise Linux AppStream (v. 8) flac-1.3.2-9.el8_8.1, flac-libs-1.3.2-9.el8_8.1
    • Red Hat Enterprise Linux CRB (v. 8) flac-1.3.2-9.el8_8.1, flac-devel-1.3.2-9.el8_8.1
  • RHSA-2023:5048 Released 2023-09-11 · Red Hat rating Important
    flac security update
    • Red Hat Enterprise Linux AppStream (v. 9) flac-1.3.3-10.el9_2.1, flac-libs-1.3.3-10.el9_2.1
    • Red Hat Enterprise Linux CRB (v. 9) flac-1.3.3-10.el9_2.1, flac-devel-1.3.3-10.el9_2.1
  • RHSA-2023:5045 Released 2023-09-11 · Red Hat rating Important
    flac security update
    • Red Hat CodeReady Linux Builder EUS (v.8.6) flac-1.3.2-9.el8_6.1, flac-devel-1.3.2-9.el8_6.1
    • Red Hat Enterprise Linux AppStream EUS (v.8.6) flac-1.3.2-9.el8_6.1, flac-libs-1.3.2-9.el8_6.1
Show 4 more Red Hat advisories
  • RHSA-2023:5047 Released 2023-09-11 · Red Hat rating Important
    flac security update
    • Red Hat CodeReady Linux Builder EUS (v.9.0) flac-1.3.3-9.el9_0.1, flac-devel-1.3.3-9.el9_0.1
    • Red Hat Enterprise Linux AppStream EUS (v.9.0) flac-1.3.3-9.el9_0.1, flac-libs-1.3.3-9.el9_0.1
  • RHSA-2023:5044 Released 2023-09-11 · Red Hat rating Important
    flac security update
    • Red Hat Enterprise Linux AppStream AUS (v.8.4) flac-1.3.2-9.el8_4.1, flac-libs-1.3.2-9.el8_4.1
    • Red Hat Enterprise Linux AppStream E4S (v.8.4) flac-1.3.2-9.el8_4.1, flac-libs-1.3.2-9.el8_4.1
    • Red Hat Enterprise Linux AppStream TUS (v.8.4) flac-1.3.2-9.el8_4.1, flac-libs-1.3.2-9.el8_4.1
  • RHSA-2023:5042 Released 2023-09-11 · Red Hat rating Important
    flac security update
    • Red Hat Enterprise Linux AppStream E4S (v. 8.1) flac-1.3.2-9.el8_1.1, flac-libs-1.3.2-9.el8_1.1
  • RHSA-2023:5043 Released 2023-09-11 · Red Hat rating Important
    flac security update
    • Red Hat Enterprise Linux AppStream AUS (v. 8.2) flac-1.3.2-9.el8_2.1, flac-libs-1.3.2-9.el8_2.1
    • Red Hat Enterprise Linux AppStream E4S (v. 8.2) flac-1.3.2-9.el8_2.1, flac-libs-1.3.2-9.el8_2.1
    • Red Hat Enterprise Linux AppStream TUS (v. 8.2) flac-1.3.2-9.el8_2.1, flac-libs-1.3.2-9.el8_2.1

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 6AffectedNo fix planned: Out of support scope
Red Hat CodeReady Linux Builder EUS (v.8.6)Fixed RHSA-2023:5045
Red Hat CodeReady Linux Builder EUS (v.9.0)Fixed RHSA-2023:5047
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2023:5046
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2023:5048
Red Hat Enterprise Linux AppStream AUS (v. 8.2)Fixed RHSA-2023:5043
Red Hat Enterprise Linux AppStream AUS (v.8.4)Fixed RHSA-2023:5044
Red Hat Enterprise Linux AppStream E4S (v. 8.1)Fixed RHSA-2023:5042
Red Hat Enterprise Linux AppStream E4S (v. 8.2)Fixed RHSA-2023:5043
Red Hat Enterprise Linux AppStream E4S (v.8.4)Fixed RHSA-2023:5044
Red Hat Enterprise Linux AppStream EUS (v.8.6)Fixed RHSA-2023:5045
Red Hat Enterprise Linux AppStream EUS (v.9.0)Fixed RHSA-2023:5047
Red Hat Enterprise Linux AppStream TUS (v. 8.2)Fixed RHSA-2023:5043
Red Hat Enterprise Linux AppStream TUS (v.8.4)Fixed RHSA-2023:5044
Red Hat Enterprise Linux CRB (v. 8)Fixed RHSA-2023:5046
Red Hat Enterprise Linux CRB (v. 9)Fixed RHSA-2023:5048
Not affected: 5 products
  • Red Hat Enterprise Linux 7
  • Red Hat OpenShift Container Platform 4
  • Red Hat OpenStack Platform 17.0
  • Red Hat OpenStack Platform 17.1
  • Red Hat OpenStack Platform 18.0

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-22219
  2. 2026-10-03 Alias added: GHSA-hvp4-qmrj-gvhf

References

Exploit 1

Advisory 2

Other 1

  • TI-2017-04620 An error in the "read_metadata_vorbiscomment_()" function (src/libFLAC/stream_decoder.c)… CVSS 3.1MEDIUM 5.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences