CVE-2019-9930

CVE-2019-9930 is a critical-severity vulnerability in Lexmark Cs31x Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-190.

Key facts

• Severity: Critical (CVSS 3.x base score 9.8)
• CVSS v2: 10.0
• EPSS exploit prediction: 2% (72nd percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-190
• Affected product: Lexmark Cs31x Firmware
• Published: 2019-08-28
• Last modified: 2026-06-17

Description

Various Lexmark products have an Integer Overflow.

Frequently asked questions

What is CVE-2019-9930?

Various Lexmark products have an Integer Overflow.

How severe is CVE-2019-9930?

CVE-2019-9930 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-9930 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-9930?

CVE-2019-9930 primarily affects Lexmark Cs31x Firmware. In total, 71 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-9930?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2019-9930 published?

CVE-2019-9930 was published on 2019-08-28 and last updated on 2026-06-17.

References

• http://support.lexmark.com/index?page=content&id=TE920&locale=EN&userlocale=EN_US

Affected products (71)

• cpe:2.3:o:lexmark:cs31x_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lexmark:cs41x_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lexmark:cx310_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lexmark:ms310_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lexmark:ms312_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lexmark:ms317_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lexmark:ms410_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lexmark:m1140_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lexmark:ms315_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lexmark:ms415_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lexmark:ms417_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lexmark:ms51x_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lexmark:ms610dn_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lexmark:ms617_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lexmark:m1145_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lexmark:m3150dn_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lexmark:ms71x_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lexmark:m5163dn_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lexmark:ms810_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lexmark:ms811_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lexmark:ms812_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lexmark:ms817_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lexmark:ms818_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lexmark:ms810de_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lexmark:m5155_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lexmark:m5163_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lexmark:ms812de_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lexmark:m5170_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lexmark:ms91x_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lexmark:mx31x_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lexmark:xm1135_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lexmark:mx410_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lexmark:mx510_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lexmark:mx511_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lexmark:mx610_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lexmark:mx611_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lexmark:xm3150_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lexmark:mx71x_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lexmark:mx81x_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:lexmark:xm51xx_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Lexmark Cs31x Firmware

• CVE-2019-9933 — Critical (CVSS 9.8): Various Lexmark products have a Buffer Overflow (issue 3 of 3).
• CVE-2019-9932 — Critical (CVSS 9.8): Various Lexmark products have a Buffer Overflow (issue 2 of 3).
• CVE-2019-10058 — Critical (CVSS 9.1): Various Lexmark products have Incorrect Access Control.
• CVE-2019-9931 — High (CVSS 7.5): Various Lexmark printers contain a denial of service vulnerability in the SNMP service that can be exploited to crash…
• CVE-2019-10057 — Medium (CVSS 6.5): Various Lexmark products have CSRF.
• CVE-2020-10094 — Medium (CVSS 5.4): A cross-site scripting (XSS) vulnerability in Lexmark CS31x before LW74.VYL.P273; CS41x before LW74.VY2.P273; CS51x…

All CVEs affecting Lexmark Cs31x Firmware →

Other CWE-190 (Integer Overflow or Wraparound) vulnerabilities

• CVE-2026-4689 — Critical (CVSS 10.0): Sandbox escape due to incorrect boundary conditions, integer overflow in the XPCOM component. This vulnerability was…
• CVE-2026-24814 — Critical (CVSS 10.0): Integer Overflow or Wraparound vulnerability in swoole swoole-src (thirdparty/hiredis modules). This vulnerability is…
• CVE-2025-64721 — Critical (CVSS 10.0): Sandboxie is a sandbox-based isolation software for 32-bit and 64-bit Windows NT-based operating systems. In versions…
• CVE-2015-5108 — Critical (CVSS 10.0): Integer overflow in Adobe Reader and Acrobat 10.x before 10.1.15 and 11.x before 11.0.12, Acrobat and Acrobat Reader DC…
• CVE-2015-5097 — Critical (CVSS 10.0): Integer overflow in Adobe Reader and Acrobat 10.x before 10.1.15 and 11.x before 11.0.12, Acrobat and Acrobat Reader DC…
• CVE-2013-2555 — Critical (CVSS 10.0): Integer overflow in Adobe Flash Player before 10.3.183.75 and 11.x before 11.7.700.169 on Windows and Mac OS X, before…

Browse all CWE-190 (Integer Overflow or Wraparound) vulnerabilities →