CVE-2007-4769 describes a denial-of-service vulnerability in the regular expression parser of TCL, affecting PostgreSQL versions 8.2.6, 8.1.11, 8.0.15, and 7.4.19 and earlier. Remote authenticated users can trigger a backend crash by providing an out-of-bounds backreference number. With a CVSS score of 6.8, this vulnerability is considered medium severity, requiring authenticated access but having low attack complexity and a high impact on availability. There is no known active exploitation, publicly available exploit code, or Metasploit/Nuclei modules, though it has received minimal community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
7.3CPE matchmatch criteria | cpe:2.3:a:postgresql:postgresql:7.3:*:*:*:*:*:*:* | ||
7.3.1CPE matchmatch criteria | cpe:2.3:a:postgresql:postgresql:7.3.1:*:*:*:*:*:*:* | ||
7.3.2CPE matchmatch criteria | cpe:2.3:a:postgresql:postgresql:7.3.2:*:*:*:*:*:*:* | ||
7.3.3CPE matchmatch criteria | cpe:2.3:a:postgresql:postgresql:7.3.3:*:*:*:*:*:*:* | ||
7.3.4CPE matchmatch criteria | cpe:2.3:a:postgresql:postgresql:7.3.4:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:S/C:N/I:N/A:C
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