CVE-2008-4988 json
pscal in xcal 4.1 allows local users to overwrite arbitrary files via a symlink attack on a /tmp/pscal##### temporary file.
published 2008-11-06 18 y ago modified 2026-06-16 4 mo ago also EUVD-2008-4967
- cvss
- 6.9
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 30%
- public exploits
- 0
- none known
Summary
pscal in xcal 4.1 allows local users to overwrite arbitrary files via a symlink attack on a /tmp/pscal##### temporary file.
Patch / fix
- xcal Debian 11 4.1-19
debian advisories DEBIAN-CVE-2008-4988
Exploit prediction
0.36% chance of exploitation in the next 30 days, higher than 30% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- dev.gentoo.org http://dev.gentoo.org/~rbu/security/debiantemp/xcal referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 6.9 | AV:L/AC:M/Au:N/C:C/I:C/A:C |
Classification
- Weakness
-
- CWE-59 Improper Link Resolution Before File Access
References
Sources
- CVE List CVE-2008-4988
- NVD CVE-2008-4988
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.