# CVE-2014-0160 (Heartbleed): OpenSSL Information Disclosure

> Remote attackers can read sensitive memory contents, including private keys, from OpenSSL servers via crafted Heartbeat packets.

- **Severity:** High 7.5 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N`)
- **Exploited in the wild:** Yes, since 4 May 2022 (CISA KEV)
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** Yes
- **Published:** 7 Apr 2014
- **Updated:** 22 Oct 2025
- **Also known as:** CVE-2014-0346, DEBIAN-CVE-2014-0160, DSA-2896-1, GHSA-w8r8-w5w4-4w4v, MGASA-2014-0256, RHSA-2014:0376, RHSA-2014:0377, RHSA-2014:0378, RHSA-2014:0396, openSUSE-SU-2024:10528-1

## What is CVE-2014-0160?

CVE-2014-0160 (Heartbleed) is a high-severity vulnerability in Canonical Ubuntu Linux, published on 7 Apr 2014. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

The (1) TLS and (2) DTLS implementations in OpenSSL 1.0.1 before 1.0.1g do not properly handle Heartbeat Extension packets, which allows remote attackers to obtain sensitive information from process memory via crafted packets that trigger a buffer over-read, as demonstrated by reading private keys, related to d1_both.c and t1_lib.c, aka the Heartbleed bug.

Weakness: CWE-125 (Out-of-bounds Read)

## Which versions are affected by CVE-2014-0160?

It affects 28 products.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `openssl` | Red Hat:enterprise_linux:6::client | All versions | 0:1.0.1e-16.el6_5.7 |
| `openssl-debuginfo` | Red Hat:enterprise_linux:6::client | All versions | 0:1.0.1e-16.el6_5.7 |
| `openssl-devel` | Red Hat:enterprise_linux:6::client | All versions | 0:1.0.1e-16.el6_5.7 |
| `openssl-perl` | Red Hat:enterprise_linux:6::client | All versions | 0:1.0.1e-16.el6_5.7 |
| `openssl-static` | Red Hat:enterprise_linux:6::client | All versions | 0:1.0.1e-16.el6_5.7 |
| `openssl` | Red Hat:enterprise_linux:6::computenode | All versions | 0:1.0.1e-16.el6_5.7 |
| `openssl-debuginfo` | Red Hat:enterprise_linux:6::computenode | All versions | 0:1.0.1e-16.el6_5.7 |
| `openssl-devel` | Red Hat:enterprise_linux:6::computenode | All versions | 0:1.0.1e-16.el6_5.7 |
| `openssl-perl` | Red Hat:enterprise_linux:6::computenode | All versions | 0:1.0.1e-16.el6_5.7 |
| `openssl-static` | Red Hat:enterprise_linux:6::computenode | All versions | 0:1.0.1e-16.el6_5.7 |
| `rhev-hypervisor6` | Red Hat:enterprise_linux:6::hypervisor | All versions | 0:6.5-20140118.1.3.2.el6_5 |
| `rhev-hypervisor6` | Red Hat:enterprise_linux:6::hypervisor | All versions | 0:6.5-20140407.0.el6ev |
| `openssl` | Red Hat:enterprise_linux:6::server | All versions | 0:1.0.1e-16.el6_5.7 |
| `openssl-debuginfo` | Red Hat:enterprise_linux:6::server | All versions | 0:1.0.1e-16.el6_5.7 |
| `openssl-devel` | Red Hat:enterprise_linux:6::server | All versions | 0:1.0.1e-16.el6_5.7 |
| `openssl-perl` | Red Hat:enterprise_linux:6::server | All versions | 0:1.0.1e-16.el6_5.7 |
| `openssl-static` | Red Hat:enterprise_linux:6::server | All versions | 0:1.0.1e-16.el6_5.7 |
| `openssl` | Red Hat:enterprise_linux:6::workstation | All versions | 0:1.0.1e-16.el6_5.7 |
| `openssl-debuginfo` | Red Hat:enterprise_linux:6::workstation | All versions | 0:1.0.1e-16.el6_5.7 |
| `openssl-devel` | Red Hat:enterprise_linux:6::workstation | All versions | 0:1.0.1e-16.el6_5.7 |
| `openssl-perl` | Red Hat:enterprise_linux:6::workstation | All versions | 0:1.0.1e-16.el6_5.7 |
| `openssl-static` | Red Hat:enterprise_linux:6::workstation | All versions | 0:1.0.1e-16.el6_5.7 |
| `openssl` | Red Hat:storage:2.1:server:el6 | All versions | 0:1.0.1e-16.el6_5.7 |
| `openssl-debuginfo` | Red Hat:storage:2.1:server:el6 | All versions | 0:1.0.1e-16.el6_5.7 |
| `openssl-devel` | Red Hat:storage:2.1:server:el6 | All versions | 0:1.0.1e-16.el6_5.7 |
| `openssl-perl` | Red Hat:storage:2.1:server:el6 | All versions | 0:1.0.1e-16.el6_5.7 |
| `openssl-static` | Red Hat:storage:2.1:server:el6 | All versions | 0:1.0.1e-16.el6_5.7 |

Products: Broadcom Symantec Messaging Gateway, Canonical Ubuntu Linux, Debian Debian Linux, Fedoraproject Fedora, Filezilla-Project Filezilla Server, Intellian V100 Firmware, Intellian V60 Firmware, Mitel Micollab, Mitel Mivoice, Openssl Openssl, Opensuse Opensuse, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Server, Redhat Enterprise Linux Server Aus, Redhat Enterprise Linux Server Eus, Redhat Enterprise Linux Server Tus, Redhat Enterprise Linux Workstation, Redhat Gluster Storage, Redhat Storage, Redhat Virtualization and 8 more.

## How do I fix CVE-2014-0160?

Upgrade to a fixed version. US federal agencies must fix it by 25 May 2022.

## Is CVE-2014-0160 being exploited?

Yes. Attackers have exploited CVE-2014-0160 in the wild since at least 4 May 2022.

Public exploit code:

- A checker (site and tool) for CVE-2014-0160 (github_poc): https://github.com/FiloSottile/Heartbleed
- Multi-threaded tool for scanning many hosts for CVE-2014-0160. (github_poc): https://github.com/musalbas/heartbleed-masstest
- OpenSSL CVE-2014-0160 Heartbleed vulnerability test (github_poc): https://github.com/titanous/heartbleeder
- Heartbleed (CVE-2014-0160) client exploit (github_poc): https://github.com/Lekensteyn/pacemaker
- Test for SSL heartbeat vulnerability (CVE-2014-0160) (github_poc): https://github.com/sensepost/heartbleed-poc
- OpenSSL Heartbleed (CVE-2014-0160) vulnerability scanner, data miner and RSA key-restore tools. (github_poc): https://github.com/einaros/heartbleed-tools

## Other vulnerabilities in Canonical Ubuntu Linux

- [CVE-2024-23614](https://insights.sbomify.com/CVE-2024-23614/): Symantec Messaging Gateway Buffer Overflow (critical 10.0)
- [CVE-2024-23615](https://insights.sbomify.com/CVE-2024-23615/): Symantec Messaging Gateway Buffer Overflow (critical 10.0)
- [CVE-2020-12594](https://insights.sbomify.com/CVE-2020-12594/): Privilege escalation in Symantec Messaging Gateway (SMG) (high 7.2)
- [CVE-2021-30651](https://insights.sbomify.com/CVE-2021-30651/): Information disclosure in Symantec Messaging Gateway (SMG) (medium 4.9)
- [CVE-2020-12595](https://insights.sbomify.com/CVE-2020-12595/): Information disclosure in Symantec Messaging Gateway (SMG) (medium 4.9)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2014-0160 (Heartbleed) and fix it if it is affected.

What it is: CVE-2014-0160 (Heartbleed) is a high-severity vulnerability in Canonical Ubuntu Linux, published on 7 Apr 2014. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: Yes. Attackers have exploited CVE-2014-0160 in the wild since at least 4 May 2022.

Affected product: Canonical Ubuntu Linux. 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-2014-0160/ (Markdown: https://insights.sbomify.com/CVE-2014-0160/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2014-0160
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2014-0160
- OSV: https://osv.dev/vulnerability/CVE-2014-0160

---
From sbomify Insights: https://insights.sbomify.com/CVE-2014-0160/
Summaries are generated and may contain mistakes; the official description above is the record.