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CVE-2012-6090

26
FAUCET Score

CVE-2012-6090 describes multiple stack-based buffer overflows in the expand function of SWI-Prolog versions before 6.2.5 and 6.3.x before 6.3.7. This vulnerability allows unauthenticated remote attackers to trigger a denial of service or potentially execute arbitrary code by supplying a specially crafted filename. With a CVSS score of 7.5, it is considered highly severe due to its network attack vector and low attack complexity, enabling potential impact on confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code, or significant community discussion, suggesting it is not currently a high-profile threat.

Impacted Technologies

VendorProductVersion(s)CPE
<= 6.2.4CPE matchmatch criteria
cpe:2.3:a:swi-prolog:swi-prolog:*:*:*:*:*:*:*:*
5.6.50CPE matchmatch criteria
cpe:2.3:a:swi-prolog:swi-prolog:5.6.50:*:*:*:*:*:*:*
5.6.51CPE matchmatch criteria
cpe:2.3:a:swi-prolog:swi-prolog:5.6.51:*:*:*:*:*:*:*
5.6.52CPE matchmatch criteria
cpe:2.3:a:swi-prolog:swi-prolog:5.6.52:*:*:*:*:*:*:*
5.6.53CPE matchmatch criteria
cpe:2.3:a:swi-prolog:swi-prolog:5.6.53:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
3.13%
Probability of exploitation in next 30 days
EPSS Percentile
86.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0313 is in the 76th percentile among its peer group of 51,466 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: pl

Vendor Advisories (1)

redhatCVE-2012-6090Low

pl: buffer overflows in path canonisation and expansion of file names with long paths

Dec 21, 2012

References

openwall.com / lists/oss-security/2013/01/03/7
bugzilla.redhat.com / show_bug.cgi
lists.iai.uni-bonn.de / pipermail/swi-prolog/2012/009428.html
Vendor Advisory
swi-prolog.org / git/pl.git/commit/b2c88972e7515ada025e97e7d3ce3e34f81cf33e
Patch