CVE-2012-5340 describes an integer overflow vulnerability in the lex_number() function of SumatraPDF 2.1.1 and MuPDF 1.0, which can be triggered by remote attackers through a crafted PDF file. This high-severity flaw (CVSS 7.8) allows for a local attack with low complexity, requiring user interaction, and can lead to high impacts on confidentiality, integrity, and availability. While there is no evidence of active exploitation or Metasploit/Nuclei modules, an exploit is publicly available on ExploitDB, and the vulnerability has received minimal community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
2.1.1CPE matchmatch criteria | cpe:2.3:a:sumatrapdfreader:sumatrapdf:2.1.1:*:*:*:*:*:*:* | ||
1.0CPE matchmatch criteria | cpe:2.3:a:artifex:mupdf:1.0:*:*:*:*:*:*:* | ||
1.1CPE matchmatch criteria | cpe:2.3:a:artifex:mupdf:1.1:*:*:*:*:iphone_os:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.