CVE-2012-1974 is a critical use-after-free vulnerability in the gfxTextRun::CanBreakLineBefore function affecting Mozilla Firefox, Thunderbird, and SeaMonkey, as well as various Linux distributions. With a CVSS score of 10.0, it allows unauthenticated remote attackers to execute arbitrary code or cause a denial of service through heap memory corruption. Despite its high severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage. This suggests it is not currently a high-profile threat, though patches should still be applied.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 15.0CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* | ||
>= 10.0, < 10.0.7CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* | ||
< 2.12CPE matchmatch criteria | cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:* | ||
< 15.0CPE matchmatch criteria | cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* | ||
>= 10.0, < 10.0.7CPE matchmatch criteria | cpe:2.3:a:mozilla:thunderbird_esr:*:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:C/I:C/A:C
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.