CVE-2009-1956 describes an off-by-one error in the apr_brigade_vprintf function within Apache APR-util, affecting versions prior to 1.3.5 on big-endian systems. This flaw allows remote attackers to potentially disclose sensitive information or trigger a denial of service by crashing the application through specially crafted input. With a CVSS score of 6.4, this vulnerability is rated as medium severity, indicating a network-based attack with low complexity that could result in partial confidentiality loss and partial availability impact. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 1.3.4CPE matchmatch criteria | cpe:2.3:a:apache:apr-util:*:*:*:*:*:*:*:* | ||
>= 2.2.0, < 2.2.12CPE matchmatch criteria | cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:* | ||
6.06CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:6.06:*:*:*:*:*:*:* | ||
8.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:8.04:*:*:*:-:*:*:* | ||
8.10CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:8.10:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:P/I:N/A:P
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 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.