Critical 9.8Published Jun 19, 2019

CVE-2019-12900BZ2_decompress in decompress.c in bzip2 through 1.0.6 has an out-of-bounds write when there are many selectors.

Updated under an hour ago (Oct 26, 2026, 4:30 PM ET)

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It affects Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP and 19 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP

Exploited in the last 30 days

BZ2_decompress in decompress.c in bzip2 through 1.0.6 has an out-of-bounds write when there are many selectors.

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: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: mitre
NVD analysis: Modified
Record last updated: Oct 14, 2026
First seen by InfoSec Signals: Oct 14, 2026

Affected products

Affected products

Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP siemens:simatic_s7_1500_cpu_1518_4_pn_dp_mfp (from the name)	from V3.1.0 before V3.1.5	CISA ADP
Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP siemens:simatic_s7_1500_cpu_1518f_4_pn_dp_mfp (from the name)	from V3.1.0 before V3.1.5	CISA ADP
Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP siemens:siplus_s7_1500_cpu_1518_4_pn_dp_mfp (from the name)	from V3.1.0 before V3.1.5	CISA ADP
Siemens RUGGEDCOM ROX MX5000 siemens:ruggedcom_rox_mx5000 (from the name)	before V2.17.0	CISA ADP
Siemens RUGGEDCOM ROX MX5000RE siemens:ruggedcom_rox_mx5000re (from the name)	before V2.17.0	CISA ADP
Siemens RUGGEDCOM ROX RX1400 siemens:ruggedcom_rox_rx1400 (from the name)	before V2.17.0	CISA ADP
Siemens RUGGEDCOM ROX RX1500 siemens:ruggedcom_rox_rx1500 (from the name)	before V2.17.0	CISA ADP
Siemens RUGGEDCOM ROX RX1501 siemens:ruggedcom_rox_rx1501 (from the name)	before V2.17.0	CISA ADP
Siemens RUGGEDCOM ROX RX1510 siemens:ruggedcom_rox_rx1510 (from the name)	before V2.17.0	CISA ADP
Siemens RUGGEDCOM ROX RX1511 siemens:ruggedcom_rox_rx1511 (from the name)	before V2.17.0	CISA ADP
1–10 of 20

References

References

https://lists.debian.org/debian-lts-announce/2019/06/msg00021.html	mailing-list, x-refsource-mlist, third-party-advisory
https://usn.ubuntu.com/4038-2/	vendor-advisory, x-refsource-ubuntu, third-party-advisory
https://usn.ubuntu.com/4038-1/	vendor-advisory, x-refsource-ubuntu, third-party-advisory
https://seclists.org/bugtraq/2019/Jul/22	mailing-list, x-refsource-bugtraq, third-party-advisory
https://lists.debian.org/debian-lts-announce/2019/07/msg00014.html	mailing-list, x-refsource-mlist, third-party-advisory
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00040.html	vendor-advisory, x-refsource-suse, mailing-list, third-party-advisory
https://security.FreeBSD.org/advisories/FreeBSD-SA-19:18.bzip2.asc	vendor-advisory, x-refsource-freebsd, patch, third-party-advisory
https://seclists.org/bugtraq/2019/Aug/4	mailing-list, x-refsource-bugtraq, patch, third-party-advisory
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00050.html	vendor-advisory, x-refsource-suse, mailing-list, third-party-advisory
https://usn.ubuntu.com/4146-1/	vendor-advisory, x-refsource-ubuntu, third-party-advisory
1–10 of 25

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.