CVE-2019-16928Exim 4.92 through 4.92.2 allows remote code execution, a different vulnerability than CVE-2019-15846.
Updated under an hour ago ()
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It affects exim and 3 other products. Add what you run to find out whether that includes you.
CISA lists it as known exploited since Mar 3, 2022; federal agencies had to remediate by Mar 17, 2022. Treat that date as your deadline.
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Free account, 1 product
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.
- CVSS
- 9.8 CRITICAL (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-787
- Known exploited
- Added to CISA KEV Mar 3, 2022; federal remediation due Mar 17, 2022Apply updates per vendor instructions.
- EPSS (exploitation in the next 30 days)
- 41.64% (percentile 99)
- Assigned by
- mitre
- NVD analysis
- Analyzed
- Record last updated
- Oct 21, 2025
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
exim exim exim:exim | from 4.92 through 4.92.2 | NVD |
canonical ubuntu_linux canonical:ubuntu_linux | 19.04 | NVD |
debian debian_linux debian:debian_linux | 10.0 | NVD |
fedoraproject fedora fedoraproject:fedora | 29; 30; 31 | NVD |
References
- https://lists.exim.org/lurker/message/20190927.032457.c1044d4c.en.htmlx-refsource-misc, vendor-advisory
- https://bugs.exim.org/show_bug.cgi?id=2449x-refsource-misc, issue-tracking, patch, vendor-advisory
- https://git.exim.org/exim.git/commit/478effbfd9c3cc5a627fc671d4bf94d13670d65fx-refsource-misc, patch
- http://www.openwall.com/lists/oss-security/2019/09/28/1mailing-list, x-refsource-mlist, exploit, mitigation, third-party-advisory
- http://www.openwall.com/lists/oss-security/2019/09/28/2mailing-list, x-refsource-mlist, exploit, third-party-advisory
- http://www.openwall.com/lists/oss-security/2019/09/28/3mailing-list, x-refsource-mlist, third-party-advisory
- https://www.debian.org/security/2019/dsa-4536vendor-advisory, x-refsource-debian, third-party-advisory
- https://usn.ubuntu.com/4141-1/vendor-advisory, x-refsource-ubuntu, third-party-advisory
- http://www.openwall.com/lists/oss-security/2019/09/28/4mailing-list, x-refsource-mlist, third-party-advisory
- https://seclists.org/bugtraq/2019/Sep/60mailing-list, x-refsource-bugtraq, third-party-advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T3TJW4HPYH3O5HZCWGD6NSHTEBTTAPDC/vendor-advisory, x-refsource-fedora, release-notes
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UY6HPRW7MR3KBQ5JFHH6OXM7YCZBJCOB/vendor-advisory, x-refsource-fedora, release-notes
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EED7HM3MFIBAP5OIMJAFJ35JAJABTVSC/vendor-advisory, x-refsource-fedora, release-notes
- https://security.gentoo.org/glsa/202003-47vendor-advisory, x-refsource-gentoo, third-party-advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-16928us-government-resource
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.