Skip to content
Noroxi
CVE-2012-0270· NVD / CVE Program· CNA flexera

Multiple stack-based buffer overflows in Csound before 5.16.6 allow remote attackers to execute arbitrary code via a crafted (1) hetro file

Multiple stack-based buffer overflows in Csound before 5.16.6 allow remote attackers to execute arbitrary code via a crafted (1) hetro file to the getnum function in util/heti_main.c or (2) PVOC file to the getnum function in util/pv_import.c.

HighCVSS 7.5 · v2.0—Weaponized Fix available
Published
Feb 17, 2014
Updated
Jun 16, 2026
EPSS
54.7% · 99th percentile
Follow this CVE

Sign in to follow · You’ll be notified if a followed record enters KEV, gets an exploit or is updated.

Report tools

JSON

Action score

46

Plan

Add it to your regular patch cycle.

CVSS
30 / 40 · 7.5 / 10
CISA KEV
0 / 30 · Not listed
EPSS
16 / 30 · 54.7%

Affected systems

VendorProduct
csoundscsound

Affected versions

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

  • csounds csoundup to 5.16.1 inclusive
  • csounds csound5.12.4
  • csounds csound5.13.0
  • csounds csound5.13.1
  • csounds csound5.14.0
  • csounds csound5.14.1
  • csounds csound5.14.2
  • csounds csound5.15.0
  • csounds csound5.16

Package-level exposure

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

EcosystemPackageAffected rangeFix
Debian:12csoundbefore 1:5.16.6~dfsg-11:5.16.6~dfsg-1
openSUSE:Tumbleweedcsoundbefore 5.18.02-7.105.18.02-7.10

Same product

csounds: all records

Other highest-scoring records for the same primary product.

  • CVE-2012-2108Stack-based buffer overflow in the main function in util/lpci_main.c in Csound before 5.17.2, when converting a file, allows user-assisted r
    39Monitor
  • CVE-2012-2107Integer overflow in the main function in util/lpci_main.c in Csound before 5.17.2, when converting a file, allows user-assisted remote attac
    39Monitor
  • CVE-2012-2106Integer overflow in the pv_import function in util/pv_import.c in Csound 5.16.6, when converting a file, allows remote attackers to execute
    39Monitor

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:csound1:5.16.6~dfsg-1 · Debian:12Package registry (OSV)
opensuse:csound5.18.02-7.10 · openSUSE:TumbleweedPackage registry (OSV)

Exploit status

Weaponized

A ready exploit tool or active in-the-wild use is known for this vulnerability. This should be your top priority.

Evidence

  • Metasploit module ×1
  • Exploit-DB entry ×1

Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.

Public exploit evidence
SourceKindDate
Exploit-DB entrylocal2012-04-06
Metasploit moduleexploit/windows/fileformat/csound_getnum_bofCsound hetro File Handling Stack Buffer Overflowexploit2012-02-23

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.

  1. Metasploit-726 d
  2. First PoC-683 d
  3. Published
  4. TodaySep 30, 2026+4608 d
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

  • No special conditions are required; it is repeatable.

If successful

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

Weakness class (CWE)

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

CVSS vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

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