CVE-2012-6303

Exp

Heap-based buffer overflow in the GetWavHeader function in generic/jkSoundFile.c in the Snack Sound Toolkit, as used in WaveSurfer 1.8.8p4, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a large chunk size in a WAV file.

Published: 2013-10-28 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2012-6303 is rated High Exploit Risk (70.5/100): CVSS Medium severity, with high exploitation likelihood (EPSS 10.24%, 95th percentile). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2012-6303

EDB-ID Source Kind Published Link
19772 exploit_db edb 2012-07-12 Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2012-6303

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 22.61% 10.24% -12.37%
2 2025-08-04 16.24% 22.61% +6.38%
3 2025-06-13 16.24%

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2012-6303

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.8 2.0 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
8.6 6.4 [email protected]

Weakness enumeration for CVE-2012-6303

OS Trackers for CVE-2012-6303

vendor priority summary link
debian low CVE-2012-6303 low priority: Debian including 2 source packages (snack, wavesurfer), 10 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 10. https://security-tracker.debian.org/tracker/CVE-2012-6303
gentoo normal CVE-2012-6303: 1 GLSA(s) (201309-04), 1 atom(s) (dev-tcltk/snack); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2012-6303
ubuntu medium CVE-2012-6303 medium priority: Ubuntu including 2 source packages (snack, wavesurfer), 30 status rows across 15 suites (hardy, lucid, oneiric, precise, quantal, raring, saucy, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): not-affected 20, ignored 6, DNE 2, needs-triage 1, released 1. https://ubuntu.com/security/CVE-2012-6303

Affected software / configurations for CVE-2012-6303

Vendor Product Version Raw CPE
kth snack_sound_toolkit 2.2.10 cpe:2.3:a:kth:snack_sound_toolkit:2.2.10:*:*:*:*:*:*:*
kth wavesurfer 1.8.8 cpe:2.3:a:kth:wavesurfer:1.8.8:p4:*:*:*:*:*:*
opensuse opensuse 13.1 cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:*
opensuse opensuse 13.2 cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*

References for CVE-2012-6303

cvelogic Threat Intelligence