# CVE-2016-2818: Memory corruption in n/a > Remote attackers can cause denial of service or execute arbitrary code via memory corruption in the Firefox browser engine. - **Severity:** High 8.8 (`CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H`) - **Exploited in the wild:** Not known - **Login needed:** Not needed - **Attackable:** Over the internet - **Victim action needed:** A user has to click or open something - **Fix available:** Yes - **Published:** 13 Jun 2016 - **Updated:** 5 Aug 2024 - **Also known as:** DEBIAN-CVE-2016-2818, DLA-572-1, DSA-3647-1, GHSA-v95x-rjc5-w49x, RHSA-2016:1392, UBUNTU-CVE-2016-2818 ## What is CVE-2016-2818? CVE-2016-2818 is a high-severity memory corruption vulnerability in Canonical Ubuntu Linux, published on 13 Jun 2016. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link. ### Official description Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 47.0 and Firefox ESR 45.x before 45.2 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors. Weakness: CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) ## Which versions are affected by CVE-2016-2818? It affects 21 products. | Package | Ecosystem | Affected | Fixed in | | --- | --- | --- | --- | | `thunderbird` | Red Hat:enterprise_linux:5::client | All versions | 0:45.2-1.el5_11 | | `thunderbird-debuginfo` | Red Hat:enterprise_linux:5::client | All versions | 0:45.2-1.el5_11 | | `thunderbird` | Red Hat:enterprise_linux:6::client | All versions | 0:45.2-1.el6_8 | | `thunderbird-debuginfo` | Red Hat:enterprise_linux:6::client | All versions | 0:45.2-1.el6_8 | | `thunderbird` | Red Hat:enterprise_linux:6::server | All versions | 0:45.2-1.el6_8 | | `thunderbird-debuginfo` | Red Hat:enterprise_linux:6::server | All versions | 0:45.2-1.el6_8 | | `thunderbird` | Red Hat:enterprise_linux:6::workstation | All versions | 0:45.2-1.el6_8 | | `thunderbird-debuginfo` | Red Hat:enterprise_linux:6::workstation | All versions | 0:45.2-1.el6_8 | | `thunderbird` | Red Hat:enterprise_linux:7::client | All versions | 0:45.2-1.el7_2 | | `thunderbird-debuginfo` | Red Hat:enterprise_linux:7::client | All versions | 0:45.2-1.el7_2 | | `thunderbird` | Red Hat:enterprise_linux:7::server | All versions | 0:45.2-1.el7_2 | | `thunderbird-debuginfo` | Red Hat:enterprise_linux:7::server | All versions | 0:45.2-1.el7_2 | | `thunderbird` | Red Hat:enterprise_linux:7::workstation | All versions | 0:45.2-1.el7_2 | | `thunderbird-debuginfo` | Red Hat:enterprise_linux:7::workstation | All versions | 0:45.2-1.el7_2 | | `thunderbird` | Red Hat:rhel_productivity:5 | All versions | 0:45.2-1.el5_11 | | `thunderbird-debuginfo` | Red Hat:rhel_productivity:5 | All versions | 0:45.2-1.el5_11 | Products: Canonical Ubuntu Linux, Debian Debian Linux, Mozilla Firefox, Novell Suse Linux Enterprise Desktop, Novell Suse Linux Enterprise Server, Novell Suse Linux Enterprise Software Development Kit, Novell Suse Package Hub for Suse Linux Enterprise, Opensuse Leap, Opensuse Opensuse, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux for Ibm Z Systems, Redhat Enterprise Linux for Ibm Z Systems Eus, Redhat Enterprise Linux for Power Big Endian, Redhat Enterprise Linux for Power Big Endian Eus, Redhat Enterprise Linux for Power Little Endian, Redhat Enterprise Linux for Power Little Endian Eus, Redhat Enterprise Linux for Scientific Computing, Redhat Enterprise Linux Server, Redhat Enterprise Linux Server Aus, Redhat Enterprise Linux Server Eus and 1 more. ## How do I fix CVE-2016-2818? Upgrade to a fixed version. ## Is CVE-2016-2818 being exploited? There is no known exploitation of CVE-2016-2818 in the wild and no public exploit code. ## Other vulnerabilities in Canonical Ubuntu Linux - [CVE-2020-11651](https://insights.sbomify.com/CVE-2020-11651/): SaltStack Salt Authentication Bypass (critical 9.8, exploited in the wild) - [CVE-2020-7247](https://insights.sbomify.com/CVE-2020-7247/): OpenSMTPD Remote Code Execution (critical 9.8, exploited in the wild) - [CVE-2019-16928](https://insights.sbomify.com/CVE-2019-16928/): Exim Out-of-bounds Write (critical 9.8, exploited in the wild) - [CVE-2018-6789](https://insights.sbomify.com/CVE-2018-6789/): Exim Buffer Overflow (critical 9.8, exploited in the wild) - [CVE-2015-2590](https://insights.sbomify.com/CVE-2015-2590/): Oracle Java SE and Java SE Embedded Remote Code Execution (critical 9.8, exploited in the wild) ## Fix prompt for AI coding agents ```text Check this codebase for CVE-2016-2818 and fix it if it is affected. What it is: CVE-2016-2818 is a high-severity memory corruption vulnerability in Canonical Ubuntu Linux, published on 13 Jun 2016. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link. Exploitation: There is no known exploitation of CVE-2016-2818 in the wild and no public exploit code. 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-2016-2818/ (Markdown: https://insights.sbomify.com/CVE-2016-2818/index.md) ``` ## Sources - CVE record: https://www.cve.org/CVERecord?id=CVE-2016-2818 - NVD: https://nvd.nist.gov/vuln/detail/CVE-2016-2818 - OSV: https://osv.dev/vulnerability/CVE-2016-2818 --- From sbomify Insights: https://insights.sbomify.com/CVE-2016-2818/ Summaries are generated and may contain mistakes; the official description above is the record.