Multiple stack-based buffer overflows in the putstring function in find.c in Cscope before 15.6 allow user-assisted remote attackers to execute arbitrary code via a long (1) function name or (2) symbol in a source-code file.
Conclusion & alert: CVE-2009-1577 is rated High Exploit Risk (80/100): CVSS Critical severity, with high exploitation likelihood (EPSS 7.50%, 94th percentile). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
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 | 2026-06-15 | 15.45% | 7.50% | -7.96% |
| 2 | 2026-02-10 | 11.96% | 15.45% | +3.49% |
| 3 | 2025-03-30 | — | 11.96% | — |
Full EPSS history (13 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.3 | 2.0 | HIGH |
|
8.6 | 10.0 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2009-1577 not yet assigned priority: Debian including 1 source packages (cscope), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2009-1577 |
gentoo
|
normal | CVE-2009-1577: 1 GLSA(s) (200905-02), 1 atom(s) (dev-util/cscope); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2009-1577 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2009-1577 |
ubuntu
|
low | CVE-2009-1577 low priority: Ubuntu including 1 source packages (cscope), 6 status rows across 6 suites (dapper, hardy, intrepid, jaunty, karmic, upstream): not-affected 4, ignored 1, released 1. | https://ubuntu.com/security/CVE-2009-1577 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| cscope | cscope | <= 15.5 | cpe:2.3:a:cscope:cscope:*:*:*:*:*:*:*:* |
| cscope | cscope | 13.0 | cpe:2.3:a:cscope:cscope:13.0:*:*:*:*:*:*:* |
| cscope | cscope | 15.0bl2 | cpe:2.3:a:cscope:cscope:15.0bl2:*:*:*:*:*:*:* |
| cscope | cscope | 15.1 | cpe:2.3:a:cscope:cscope:15.1:*:*:*:*:*:*:* |
| cscope | cscope | 15.3 | cpe:2.3:a:cscope:cscope:15.3:*:*:*:*:*:*:* |
| cscope | cscope | 15.4 | cpe:2.3:a:cscope:cscope:15.4:*:*:*:*:*:*:* |