CVE-2019-16928
Summary
| CVE | CVE-2019-16928 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2019-09-27 21:15:00 UTC |
| Updated | 2023-11-07 03:06:00 UTC |
| Description | Exim 4.92 through 4.92.2 allows remote code execution, a different vulnerability than CVE-2019-15846. There is a heap-based buffer overflow in string_vformat in string.c involving a long EHLO command. |
Risk And Classification
EPSS: 0.900190000 probability, percentile 0.995830000 (date 2026-04-17)
CISA KEV: Listed on 2022-03-03; due 2022-03-17; ransomware use Unknown
Problem Types: CWE-787
CISA Known Exploited Vulnerability
| Vendor | Exim |
|---|---|
| Product | Exim Internet Mailer |
| Name | Exim Out-of-bounds Write Vulnerability |
| Required Action | Apply updates per vendor instructions. |
| Notes | https://nvd.nist.gov/vuln/detail/CVE-2019-16928 |
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Canonical | Ubuntu Linux | 19.04 | All | All | All |
| Operating System | Canonical | Ubuntu Linux | 19.04 | All | All | All |
| Operating System | Debian | Debian Linux | 10.0 | All | All | All |
| Operating System | Debian | Debian Linux | 10.0 | All | All | All |
| Application | Exim | Exim | All | All | All | All |
| Operating System | Fedoraproject | Fedora | 29 | All | All | All |
| Operating System | Fedoraproject | Fedora | 30 | All | All | All |
| Operating System | Fedoraproject | Fedora | 31 | All | All | All |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| USN-4141-1: Exim vulnerability | Ubuntu security notices | Ubuntu | UBUNTU | usn.ubuntu.com | Third Party Advisory |
| [SECURITY] Fedora 30 Update: exim-4.92.3-1.fc30 - package-announce - Fedora Mailing-Lists | lists.fedoraproject.org | ||
| oss-security - Exim CVE-2019-16928 RCE using a heap-based buffer overflow | MLIST | www.openwall.com | Mailing List, Third Party Advisory |
| oss-security - Re: Exim CVE-2019-16928 RCE using a heap-based buffer overflow | MLIST | www.openwall.com | Third Party Advisory |
| [SECURITY] Fedora 29 Update: exim-4.92.3-1.fc29 - package-announce - Fedora Mailing-Lists | FEDORA | lists.fedoraproject.org | |
| Bugtraq: [SECURITY] [DSA 4536-1] exim4 security update | BUGTRAQ | seclists.org | Third Party Advisory |
| Bug 2449 – Heap Overflow | MISC | bugs.exim.org | Permissions Required |
| oss-security - Re: Exim CVE-2019-16928 RCE using a heap-based buffer overflow | MLIST | www.openwall.com | Mailing List, Third Party Advisory |
| Exim: Heap-based buffer overflow (GLSA 202003-47) — Gentoo security | GENTOO | security.gentoo.org | |
| Debian -- Security Information -- DSA-4536-1 exim4 | DEBIAN | www.debian.org | Third Party Advisory |
| [SECURITY] Fedora 30 Update: exim-4.92.3-1.fc30 - package-announce - Fedora Mailing-Lists | FEDORA | lists.fedoraproject.org | |
| [SECURITY] Fedora 31 Update: exim-4.92.3-1.fc31 - package-announce - Fedora Mailing-Lists | lists.fedoraproject.org | ||
| [SECURITY] Fedora 29 Update: exim-4.92.3-1.fc29 - package-announce - Fedora Mailing-Lists | lists.fedoraproject.org | ||
| [exim-dev] [Bug 2449] New: Heap Overflow | MISC | lists.exim.org | Vendor Advisory |
| git.exim.org Git - exim.git/commit | MISC | git.exim.org | Patch, Third Party Advisory |
| oss-security - Re: Exim CVE-2019-16928 RCE using a heap-based buffer overflow | MLIST | www.openwall.com | Mailing List, Third Party Advisory |
| [SECURITY] Fedora 31 Update: exim-4.92.3-1.fc31 - package-announce - Fedora Mailing-Lists | FEDORA | lists.fedoraproject.org | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
| CISA Known Exploited Vulnerabilities catalog | CISA | www.cisa.gov | kev |
No vendor comments have been submitted for this CVE.