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CVE-2008-4639

14
FAUCET Score

CVE-2008-4639 describes a local file overwrite vulnerability in Matthias Wandel jhead versions 2.84 and earlier, specifically impacting the jhead.c component. This flaw allows a local attacker to overwrite arbitrary files through a symlink attack on temporary files. With a CVSS score of 4.6, it is considered a low-severity vulnerability, requiring local access and having low attack complexity, potentially leading to partial confidentiality, integrity, and availability impacts. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.84CPE matchmatch criteria
cpe:2.3:a:sentex:jhead:*:*:*:*:*:*:*:*
1.2CPE matchmatch criteria
cpe:2.3:a:sentex:jhead:1.2:*:*:*:*:*:*:*
1.3CPE matchmatch criteria
cpe:2.3:a:sentex:jhead:1.3:*:*:*:*:*:*:*
1.4CPE matchmatch criteria
cpe:2.3:a:sentex:jhead:1.4:*:*:*:*:*:*:*
1.5CPE matchmatch criteria
cpe:2.3:a:sentex:jhead:1.5:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.6MEDIUM

AV:L/AC:L/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Exploitability Score
3.9
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.32%
Probability of exploitation in next 30 days
EPSS Percentile
24.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0032 is in the 33rd percentile among its peer group of 3,048 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2008-4639Moderate

jhead: insecure temporary file usage

Oct 15, 2008

References

bugs.launchpad.net / ubuntu/+source/jhead/+bug/271020
openwall.com / lists/oss-security/2008/10/15/5
openwall.com / lists/oss-security/2008/10/15/6
openwall.com / lists/oss-security/2008/10/16/3
openwall.com / lists/oss-security/2009/02/06/5