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CVE-2009-1577

30
FAUCET Score

CVE-2009-1577 describes multiple stack-based buffer overflows in the putstring function of Cscope versions prior to 15.6. This vulnerability allows remote attackers to execute arbitrary code by crafting a source-code file with an excessively long function name or symbol. With a CVSS score of 9.3, it is a critical vulnerability, requiring medium attack complexity but leading to complete compromise of confidentiality, integrity, and availability. Despite its severity, there is no evidence of active exploitation, publicly available exploit code, or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 15.5CPE matchmatch criteria
cpe:2.3:a:cscope:cscope:*:*:*:*:*:*:*:*
13.0CPE matchmatch criteria
cpe:2.3:a:cscope:cscope:13.0:*:*:*:*:*:*:*
15.0bl2CPE matchmatch criteria
cpe:2.3:a:cscope:cscope:15.0bl2:*:*:*:*:*:*:*
15.1CPE matchmatch criteria
cpe:2.3:a:cscope:cscope:15.1:*:*:*:*:*:*:*
15.3CPE matchmatch criteria
cpe:2.3:a:cscope:cscope:15.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

9.3HIGH

AV:N/AC:M/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
7.50%
Probability of exploitation in next 30 days
EPSS Percentile
93.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0750 is in the 72nd percentile among its peer group of 8,914 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 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

Patch Available

Vendor Patches (3)

redhatpatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 3Fixed in: cscope-0:15.5-16.RHEL3
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: cscope-0:15.5-10.RHEL4.3
View patch

Vendor Advisories (1)

redhatCVE-2009-1577Moderate

cscope: putstring buffer overflow

Apr 22, 2006

References

cscope.cvs.sourceforge.net / viewvc/cscope/cscope/src/find.c
Patch
cscope.cvs.sourceforge.net / viewvc/cscope/cscope/src/find.c
cvs.fedoraproject.org / viewvc/rpms/cscope/devel/cscope-15.5-putstring-overflow.patch
bugzilla.redhat.com / show_bug.cgi
ExploitPatch
bugzilla.redhat.com / show_bug.cgi
Patch
secunia.com / advisories/35213
security.gentoo.org / glsa/glsa-200905-02.xml
exchange.xforce.ibmcloud.com / vulnerabilities/50366
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9837
openwall.com / lists/oss-security/2009/05/05/1
openwall.com / lists/oss-security/2009/05/06/10
openwall.com / lists/oss-security/2009/05/06/9
redhat.com / support/errata/RHSA-2009-1101.html