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Fencer Vulns
critical 9.8

CVE-2019-17040 json

contrib/pmdb2diag/pmdb2diag.c in Rsyslog v8.1908.0 allows out-of-bounds access because the level length is mishandled.

published 2019-09-30 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-7514

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.4%
EPSS 2.4% chance of exploitation in 30 days, percentile 84%
public exploits
0
none known

Summary

contrib/pmdb2diag/pmdb2diag.c in Rsyslog v8.1908.0 allows out-of-bounds access because the level length is mishandled.

Patch / fix

  • rsyslog Debian 14, Debian 13, Debian 12 8.1910.0-1

debian advisories DEBIAN-CVE-2019-17040

  • rsyslog Alpine 3.24, Alpine 3.23, Alpine 3.22 +11 more 8.1908.0-r1

alpine advisories ALPINE-CVE-2019-17040

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2019-17040 updated cvss 7.5

rsyslog: out-of-bounds read in contrib/pmdb2diag/pmdb2diag.c

  • Red Hat Enterprise Linux 5 rsyslog, rsyslog5 Red Hat Enterprise Linux 6 rsyslog, rsyslog7, rsyslog-relp, rsyslog-snmp, rsyslog-mysql, rsyslog-pgsql, +9 more Red Hat Enterprise Linux 7 rsyslog, rsyslog-relp, rsyslog-snmp, rsyslog-kafka, rsyslog-mysql, rsyslog-pgsql, +11 more Red Hat Enterprise Linux 8 rsyslog, rsyslog-relp, rsyslog-snmp, rsyslog-kafka, rsyslog-mysql, rsyslog-pgsql, +13 more
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.42% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.