What’s Vulnerable › Vulnerabilities

CVE-2012-5340

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 5.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-01-23 · updated 2026-06-16
• Weakness: CWE-190

Description

SumatraPDF 2.1.1/MuPDF 1.0 allows remote attackers to cause an Integer Overflow in the lex_number() function via a corrupt PDF file.

Affected products

• Artifex MuPDF: 1.0, 1.1
• sumatrapdfreader sumatrapdf: 2.1.1

References

• http://www.exploit-db.com/exploits/23246
• https://bugs.ghostscript.com/show_bug.cgi?id=693371
• https://cgit.ghostscript.com/cgi-bin/cgit.cgi/mupdf.git/commit/?id=f919270b6a732ff45c3ba2d0c105e2b39e9c9bc9
• http://www.exploit-db.com/exploits/23246

Get alerted when CVE-2012-5340 or the next vulnerability affects your stack