Servers and applications
CVE-2009-1956
Off-by-one error in the apr_brigade_vprintf function in Apache APR-util before 1.3.5 on big-endian platforms allows remote attackers to obtain sensitive information or cause a denial of service (application crash) via crafted input.
- Severity
- Medium 6.4
- Published
- 8 Jun 2009
- Last changed
- 16 Jun 2026
- Added to UpHeron
- 17 Oct 2026
- Fixed in
- 2.2.12
- Exploit chance
- 12% in the next 30 daysHigher than 96% of CVEs. EPSS by FIRST, 12 Nov 2026
- Weakness
- CWE-189
- Attack
- Over the network · No login needed
- Attacker can
- Read some data · Slow it down
- CVSS vector
AV:N/AC:L/Au:N/C:P/I:N/A:P- Sources
- NVD
Affected software
| Software | Affected versions |
|---|---|
Apache HTTP ServerServers and applications · cpe:a:apache:http_server |
|