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CVE-2009-1791· NVD / CVE Program· CNA mitre

Heap-based buffer overflow in aiff_read_header in libsndfile 1.0.15 through 1.0.19, as used in Winamp 5.552 and possibly other media program

Heap-based buffer overflow in aiff_read_header in libsndfile 1.0.15 through 1.0.19, as used in Winamp 5.552 and possibly other media programs, allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via an AIFF file with an invalid header value.

CriticalCVSS 9.3 · v2.0—No exploit Fix available
Published
May 26, 2009
Updated
Jun 16, 2026
EPSS
6.5% · 94th percentile
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Report tools

JSON

Action score

39

Monitor

Low priority for now.

CVSS
37 / 40 · 9.3 / 10
CISA KEV
0 / 30 · Not listed
EPSS
2 / 30 · 6.5%

Affected systems

VendorProduct
mega-nerdlibsndfile
nullsoftwinamp

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • mega-nerd libsndfile1.0.15
  • mega-nerd libsndfile1.0.16
  • mega-nerd libsndfile1.0.17
  • mega-nerd libsndfile1.0.18
  • mega-nerd libsndfile1.0.19
  • nullsoft winamp5.5
  • nullsoft winamp5.51
  • nullsoft winamp5.52
  • nullsoft winamp5.54
  • nullsoft winamp5.541
  • nullsoft winamp5.55
  • nullsoft winamp5.552

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Debian:12libsndfilebefore 1.0.20-11.0.20-1
Debian:4.0libsndfilebefore 1.0.16-2+etch21.0.16-2+etch2
Debian:5.0libsndfilebefore 1.0.17-4+lenny21.0.17-4+lenny2
Debian:6.0libsndfilebefore 1.0.18-2+squeeze11.0.18-2+squeeze1

Same product

mega-nerd: all records

Other highest-scoring records for the same primary product.

  • CVE-2009-1788Heap-based buffer overflow in voc_read_header in libsndfile 1.0.15 through 1.0.19, as used in Winamp 5.552 and possibly other media programs
    39Monitor
  • CVE-2007-4974Heap-based buffer overflow in the flac_buffer_copy function in libsndfile 1.0.17 and earlier might allow remote attackers to execute arbitra
    31Monitor
  • CVE-2011-2696Integer overflow in libsndfile before 1.0.25 allows remote attackers to cause a denial of service (application crash) or possibly execute ar
    28Monitor
  • CVE-2009-4835The (1) htk_read_header, (2) alaw_init, (3) ulaw_init, (4) pcm_init, (5) float32_init, and (6) sds_read_header functions in libsndfile 1.0.2
    17Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
debian:libsndfile1.0.20-1 · Debian:12Package registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

    If successful

    Confidentiality
    C · data can be read
    Integrity
    C · data or configuration can be modified
    Availability
    C · the service can be disrupted
    Attack complexity
    M
    Confidentiality impact
    C
    Integrity impact
    C
    Availability impact
    C

    Weakness class (CWE)

    CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer

    CVSS vector

    AV:N/AC:M/Au:N/C:C/I:C/A:C

    nvd-primary

    Attack context

    MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

    ATT&CK techniques

    —

    Noroxi analysis

    No Noroxi analysis for this record yet

    We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

    We use this product, ask for help

    Change log

    1. Fix✗ → ✓

    For records you follow, these changes also arrive as notifications. →

    References

    Vendor advisories and official records. Exploit/PoC links are deliberately left out.

    All records