The pa_make_secure_dir function in core-util.c in PulseAudio 0.9.10 and 0.9.19 allows local users to change the ownership and permissions of arbitrary files via a symlink attack on a /tmp/.esd-##### temporary file.
Conclusion & alert: CVE-2009-1299 is rated Low Risk (36.7/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.34%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
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 | 2026-06-15 | 0.04% | 0.34% | +0.29% |
| 2 | 2023-03-07 | 1.03% | 0.04% | -0.99% |
| 3 | 2022-02-04 | — | 1.03% | — |
Full EPSS history (3 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.9 | 2.0 | MEDIUM |
|
3.4 | 10.0 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2009-1299 not yet assigned priority: Debian including 1 source packages (pulseaudio), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2009-1299 |
gentoo
|
normal | CVE-2009-1299: 1 GLSA(s) (201402-10), 1 atom(s) (media-sound/pulseaudio); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2009-1299 |
redhat
|
low | — | https://access.redhat.com/security/cve/CVE-2009-1299 |
ubuntu
|
low | CVE-2009-1299 low priority: Ubuntu including 1 source packages (pulseaudio), 9 status rows across 9 suites (dapper, hardy, intrepid, jaunty, karmic, lucid, maverick, natty, upstream): ignored 4, not-affected 2, released 2, DNE 1. | https://ubuntu.com/security/CVE-2009-1299 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| pulseaudio | pulseaudio | 0.9.10 | cpe:2.3:a:pulseaudio:pulseaudio:0.9.10:*:*:*:*:*:*:* |
| pulseaudio | pulseaudio | 0.9.19 | cpe:2.3:a:pulseaudio:pulseaudio:0.9.19:*:*:*:*:*:*:* |