CVE-2007-4771 describes a heap-based buffer overflow in the doInterval function of libicu in International Components for Unicode (ICU) versions 3.8.1 and earlier. This vulnerability allows attackers to cause a denial of service through excessive memory consumption and potentially other unspecified impacts via specially crafted regular expressions. With a CVSS score of 9.3, it is considered critical due to its network-based attack vector, medium complexity, and complete compromise of confidentiality, integrity, and availability. Despite its high severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 3.8.1CPE matchmatch criteria | cpe:2.3:a:icu-project:international_components_for_unicode:*:*:*:*:*:c\/c\+\+:*:* |
CVSS version used by this source: 2.0
AV:N/AC:M/Au:N/C:C/I:C/A:C
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 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.
libicu incomplete interval handling
Jan 22, 2008Manipulated ODF text documents containing XForms can lead to heap overflows and arbitrary code execution
Manipulated ODF text documents containing XForms can lead to heap overflows and arbitrary code execution
Manipulated ODF text documents containing XForms can lead to heap overflows and arbitrary code execution
Manipulated ODF text documents containing XForms can lead to heap overflows and arbitrary code execution