Unspecified vulnerability in the grsecurity patch has unspecified impact and remote attack vectors, a different vulnerability than the expand_stack vulnerability from the Digital Armaments 20070110 pre-advisory. NOTE: the grsecurity developer has disputed this issue, stating that "the function they claim the vulnerability to be in is a trivial function, which can, and has been, easily checked for any supposed vulnerabilities." The developer also cites a past disclosure that was not proven
Conclusion & alert: CVE-2007-0253 is rated Moderate Risk (41.8/100): CVSS High severity, with low exploitation likelihood (EPSS 0.15%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-09-15 | 0.05% | 0.15% | +0.10% |
| 2 | 2023-03-07 | 0.89% | 0.05% | -0.84% |
| 3 | 2022-02-04 | — | 0.89% | — |
Full EPSS history (3 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.2 | 2.0 | HIGH |
|
3.9 | 10.0 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
— | CVE-2007-0253: no source package rows; 0 state rows across 0 repos (none); fixed 0, open 0. | https://security.alpinelinux.org/vuln/CVE-2007-0253 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| grsecurity | grsecurity_kernel_patch | — | cpe:2.3:a:grsecurity:grsecurity_kernel_patch:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://forums.grsecurity.net/viewtopic.php?t=1646 | Vendor Advisory |
| http://grsecurity.net/news.php#digitalfud | |
| http://www.digitalarmaments.com/news_news.shtml | Vendor Advisory URL Repurposed |