CVE-2007-4770 describes a vulnerability in libicu within International Components for Unicode (ICU) versions 3.8.1 and earlier. This flaw arises from the library's attempt to process backreferences to a nonexistent capture group zero, potentially leading to out-of-bounds memory access (read/write) and corruption of REStackFrames. With a CVSS score of 6.8 (Medium), this vulnerability can be exploited remotely with medium attack complexity, potentially resulting in partial confidentiality, integrity, and availability impacts. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| 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:P/I:P/A:P
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
libicu poor back reference validation
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