# CVE-2008-4309: Integer overflow in n/a

> Remote attackers can cause a denial of service via a crafted SNMP GETBULK request triggering a heap-based buffer overflow due to an integer overflow.

- **Severity:** High 7.5 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** Yes
- **Published:** 31 Oct 2008
- **Updated:** 28 May 2026
- **Also known as:** DEBIAN-CVE-2008-4309, GHSA-c4mx-98gv-gxm8, RHSA-2008:0971

## What is CVE-2008-4309?

CVE-2008-4309 is a high-severity vulnerability in n/a, published on 31 Oct 2008. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Integer overflow in the netsnmp_create_subtree_cache function in agent/snmp_agent.c in net-snmp 5.4 before 5.4.2.1, 5.3 before 5.3.2.3, and 5.2 before 5.2.5.1 allows remote attackers to cause a denial of service (crash) via a crafted SNMP GETBULK request, which triggers a heap-based buffer overflow,  related to the number of responses or repeats.

Weakness: CWE-20 (Improper Input Validation), CWE-190 (Integer Overflow or Wraparound)

## Which versions are affected by CVE-2008-4309?

It affects 1 product.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `net-snmp` | Red Hat:enterprise_linux:3::as | All versions | 0:5.0.9-2.30E.25 |
| `net-snmp-debuginfo` | Red Hat:enterprise_linux:3::as | All versions | 0:5.0.9-2.30E.25 |
| `net-snmp-devel` | Red Hat:enterprise_linux:3::as | All versions | 0:5.0.9-2.30E.25 |
| `net-snmp-libs` | Red Hat:enterprise_linux:3::as | All versions | 0:5.0.9-2.30E.25 |
| `net-snmp-perl` | Red Hat:enterprise_linux:3::as | All versions | 0:5.0.9-2.30E.25 |
| `net-snmp-utils` | Red Hat:enterprise_linux:3::as | All versions | 0:5.0.9-2.30E.25 |
| `net-snmp` | Red Hat:enterprise_linux:3::desktop | All versions | 0:5.0.9-2.30E.25 |
| `net-snmp-debuginfo` | Red Hat:enterprise_linux:3::desktop | All versions | 0:5.0.9-2.30E.25 |
| `net-snmp-devel` | Red Hat:enterprise_linux:3::desktop | All versions | 0:5.0.9-2.30E.25 |
| `net-snmp-libs` | Red Hat:enterprise_linux:3::desktop | All versions | 0:5.0.9-2.30E.25 |
| `net-snmp-perl` | Red Hat:enterprise_linux:3::desktop | All versions | 0:5.0.9-2.30E.25 |
| `net-snmp-utils` | Red Hat:enterprise_linux:3::desktop | All versions | 0:5.0.9-2.30E.25 |
| `net-snmp` | Red Hat:enterprise_linux:3::es | All versions | 0:5.0.9-2.30E.25 |
| `net-snmp-debuginfo` | Red Hat:enterprise_linux:3::es | All versions | 0:5.0.9-2.30E.25 |
| `net-snmp-devel` | Red Hat:enterprise_linux:3::es | All versions | 0:5.0.9-2.30E.25 |
| `net-snmp-libs` | Red Hat:enterprise_linux:3::es | All versions | 0:5.0.9-2.30E.25 |
| `net-snmp-perl` | Red Hat:enterprise_linux:3::es | All versions | 0:5.0.9-2.30E.25 |
| `net-snmp-utils` | Red Hat:enterprise_linux:3::es | All versions | 0:5.0.9-2.30E.25 |
| `net-snmp` | Red Hat:enterprise_linux:3::ws | All versions | 0:5.0.9-2.30E.25 |
| `net-snmp-debuginfo` | Red Hat:enterprise_linux:3::ws | All versions | 0:5.0.9-2.30E.25 |
| `net-snmp-devel` | Red Hat:enterprise_linux:3::ws | All versions | 0:5.0.9-2.30E.25 |
| `net-snmp-libs` | Red Hat:enterprise_linux:3::ws | All versions | 0:5.0.9-2.30E.25 |
| `net-snmp-perl` | Red Hat:enterprise_linux:3::ws | All versions | 0:5.0.9-2.30E.25 |
| `net-snmp-utils` | Red Hat:enterprise_linux:3::ws | All versions | 0:5.0.9-2.30E.25 |
| `net-snmp` | Red Hat:enterprise_linux:4::as | All versions | 0:5.1.2-13.el4_7.2 |
| `net-snmp-debuginfo` | Red Hat:enterprise_linux:4::as | All versions | 0:5.1.2-13.el4_7.2 |
| `net-snmp-devel` | Red Hat:enterprise_linux:4::as | All versions | 0:5.1.2-13.el4_7.2 |
| `net-snmp-libs` | Red Hat:enterprise_linux:4::as | All versions | 0:5.1.2-13.el4_7.2 |
| `net-snmp-perl` | Red Hat:enterprise_linux:4::as | All versions | 0:5.1.2-13.el4_7.2 |
| `net-snmp-utils` | Red Hat:enterprise_linux:4::as | All versions | 0:5.1.2-13.el4_7.2 |
| `net-snmp` | Red Hat:enterprise_linux:4::desktop | All versions | 0:5.1.2-13.el4_7.2 |
| `net-snmp-debuginfo` | Red Hat:enterprise_linux:4::desktop | All versions | 0:5.1.2-13.el4_7.2 |
| `net-snmp-devel` | Red Hat:enterprise_linux:4::desktop | All versions | 0:5.1.2-13.el4_7.2 |
| `net-snmp-libs` | Red Hat:enterprise_linux:4::desktop | All versions | 0:5.1.2-13.el4_7.2 |
| `net-snmp-perl` | Red Hat:enterprise_linux:4::desktop | All versions | 0:5.1.2-13.el4_7.2 |
| `net-snmp-utils` | Red Hat:enterprise_linux:4::desktop | All versions | 0:5.1.2-13.el4_7.2 |
| `net-snmp` | Red Hat:enterprise_linux:4::es | All versions | 0:5.1.2-13.el4_7.2 |
| `net-snmp-debuginfo` | Red Hat:enterprise_linux:4::es | All versions | 0:5.1.2-13.el4_7.2 |
| `net-snmp-devel` | Red Hat:enterprise_linux:4::es | All versions | 0:5.1.2-13.el4_7.2 |
| `net-snmp-libs` | Red Hat:enterprise_linux:4::es | All versions | 0:5.1.2-13.el4_7.2 |

Products: Net-Snmp Net-Snmp.

## How do I fix CVE-2008-4309?

Upgrade to a fixed version.

## Is CVE-2008-4309 being exploited?

There is no known exploitation of CVE-2008-4309 in the wild and no public exploit code.

## Other vulnerabilities in n/a

- [CVE-2005-4837](https://insights.sbomify.com/CVE-2005-4837/): Use after free in n/a (critical 10.0)
- [CVE-2005-1740](https://insights.sbomify.com/CVE-2005-1740/): Path traversal in n/a (critical 10.0)
- [CVE-2007-5846](https://insights.sbomify.com/CVE-2007-5846/): Denial of service in n/a (high 7.8)
- [CVE-2018-18066](https://insights.sbomify.com/CVE-2018-18066/): Null dereference in n/a (high 7.5)
- [CVE-2015-5621](https://insights.sbomify.com/CVE-2015-5621/): Memory corruption in n/a (high 7.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2008-4309 and fix it if it is affected.

What it is: CVE-2008-4309 is a high-severity vulnerability in n/a, published on 31 Oct 2008. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2008-4309 in the wild and no public exploit code.

Affected product: n/a. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2008-4309/ (Markdown: https://insights.sbomify.com/CVE-2008-4309/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2008-4309
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2008-4309
- OSV: https://osv.dev/vulnerability/CVE-2008-4309

---
From sbomify Insights: https://insights.sbomify.com/CVE-2008-4309/
Summaries are generated and may contain mistakes; the official description above is the record.