Multiple buffer overflows in Free Lossless Audio Codec (FLAC) libFLAC before 1.2.1 allow…
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-119 and the CVSS impact.
Summary
Multiple buffer overflows in Free Lossless Audio Codec (FLAC) libFLAC before 1.2.1 allow user-assisted remote attackers to execute arbitrary code via large (1) Metadata Block Size, (2) VORBIS Comment String Size, (3) Picture Metadata MIME-TYPE Size, (4) Picture Description Size, (5) Picture Data Length, (6) Padding Length, and (7) PICTURE Metadata width and height values in a .FLAC file, which result in a heap-based overflow; and large (8) VORBIS Comment String Size Length, (9) Picture MIME-Type, (10) Picture MIME-Type URL, and (11) Picture Description Length values in a .FLAC file, which result in a stack-based overflow. NOTE: some of these issues may overlap CVE-2007-4619.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
Red Hat 1 advisory
- RHSA-2007:0975 Released 2007-10-22 · Red Hat rating Importantflac security update
- Red Hat Enterprise Linux (v. 5 server) flac-1.1.2-28.el5_0.1, flac-1.1.2-28.el5_0.1.i386, flac-1.1.2-28.el5_0.1.ia64 +5
- Red Hat Enterprise Linux AS version 4 flac-1.1.0-7.el4_5.2, flac-1.1.0-7.el4_5.2.i386, flac-1.1.0-7.el4_5.2.ia64 +9
- Red Hat Enterprise Linux Desktop (v. 5 client) flac-1.1.2-28.el5_0.1, flac-1.1.2-28.el5_0.1.i386
- Red Hat Enterprise Linux Desktop Workstation (v. 5 client) flac-1.1.2-28.el5_0.1, flac-devel-1.1.2-28.el5_0.1, flac-devel-1.1.2-28.el5_0.1.i386
- Red Hat Enterprise Linux Desktop version 4 flac-1.1.0-7.el4_5.2, flac-1.1.0-7.el4_5.2.i386, flac-devel-1.1.0-7.el4_5.2 +3
- Red Hat Enterprise Linux ES version 4 flac-1.1.0-7.el4_5.2, flac-1.1.0-7.el4_5.2.i386, flac-1.1.0-7.el4_5.2.ia64 +6
- Red Hat Enterprise Linux WS version 4 flac-1.1.0-7.el4_5.2, flac-1.1.0-7.el4_5.2.i386, flac-1.1.0-7.el4_5.2.ia64 +6
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux (v. 5 server) | Fixed | RHSA-2007:0975 |
| Red Hat Enterprise Linux AS version 4 | Fixed | RHSA-2007:0975 |
| Red Hat Enterprise Linux Desktop (v. 5 client) | Fixed | RHSA-2007:0975 |
| Red Hat Enterprise Linux Desktop Workstation (v. 5 client) | Fixed | RHSA-2007:0975 |
| Red Hat Enterprise Linux Desktop version 4 | Fixed | RHSA-2007:0975 |
| Red Hat Enterprise Linux ES version 4 | Fixed | RHSA-2007:0975 |
| Red Hat Enterprise Linux WS version 4 | Fixed | RHSA-2007:0975 |
Timeline
- 2026-10-02 Threatist record created from CVE-2007-6277
- 2026-10-03 Alias added: GHSA-5955-gqmh-73gj
References
More FLAC Libflac vulnerabilities
- TI-2007-04471 Multiple integer overflows in Free Lossless Audio Codec (FLAC) libFLAC before 1.2.1, as… CVSS 2.0HIGH 9.3
- TI-2007-05987 Multiple double free vulnerabilities in Free Lossless Audio Codec (FLAC) libFLAC before… CVSS 2.0HIGH 9.3
- TI-2014-07354 Heap-based buffer overflow in stream_decoder.c in libFLAC before 1.3.1 allows remote… CVSS 2.0HIGH 7.5
- TI-2014-07313 Stack-based buffer overflow in stream_decoder.c in libFLAC before 1.3.1 allows remote… CVSS 2.0HIGH 7.5
- TI-2007-05986 Free Lossless Audio Codec (FLAC) libFLAC before 1.2.1 allows user-assisted remote… CVSS 2.0HIGH 9.3
Sources
- CVE-2007-6277 · CVE Program
- CVE-2007-6277 · NVD
- FIRST EPSS
- GHSA-5955-gqmh-73gj · GitHub Advisory Database · CC BY 4.0
- CVE-2007-6277 · Red Hat security data · CC BY 4.0
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