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CVE-2009-0585

20
FAUCET Score

CVE-2009-0585 is an integer overflow vulnerability in the soup_base64_encode function within libsoup versions 2.x.x before 2.2.x and 2.x before 2.24, affecting products like joe_shaw. This flaw allows unauthenticated attackers to execute arbitrary code by providing a long string for base64 conversion. With a CVSS score of 7.5, it is considered highly severe due to its network-based attack vector and potential for complete compromise of confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
2.1CPE matchmatch criteria
cpe:2.3:a:joe_shaw:libsoup:2.1:*:*:*:*:*:*:*
2.23.1CPE matchmatch criteria
cpe:2.3:a:joe_shaw:libsoup:2.23.1:*:*:*:*:*:*:*
2.23.6CPE matchmatch criteria
cpe:2.3:a:joe_shaw:libsoup:2.23.6:*:*:*:*:*:*:*
2.23.91CPE matchmatch criteria
cpe:2.3:a:joe_shaw:libsoup:2.23.91:*:*:*:*:*:*:*
2.23.92CPE matchmatch criteria
cpe:2.3:a:joe_shaw:libsoup:2.23.92:*:*:*:*:*:*:*

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
4.02%
Probability of exploitation in next 30 days
EPSS Percentile
89.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0402 is in the 81st percentile among its peer group of 51,485 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, 0.1 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

Patch Available

Vendor Patches (3)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: evolution28-libsoup-0:2.2.98-5.el4.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: libsoup-0:2.2.1-4.el4.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: libsoup-0:2.2.98-2.el5_3.1
View patch

Vendor Advisories (1)

redhatCVE-2009-0585Moderate

libsoup: integer overflow in soup_base64_encode()

Mar 12, 2009

References

lists.opensuse.org / opensuse-security-announce/2009-05/msg00000.html
ocert.org / patches/2008-015/libsoup-CVE-2009-0585.diff
Patch
openwall.com / lists/oss-security/2009/03/12/2
Patch
secunia.com / advisories/34310
secunia.com / advisories/34337
secunia.com / advisories/34401
secunia.com / advisories/35065
exchange.xforce.ibmcloud.com / vulnerabilities/49273
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9599
support.avaya.com / elmodocs2/security/ASA-2009-088.htm
debian.org / security/2009/dsa-1748
mandriva.com / security/advisories
ocert.org / advisories/ocert-2008-015.html
redhat.com / support/errata/RHSA-2009-0344.html
securityfocus.com / archive/1/501712/100/0/threaded
securityfocus.com / bid/34100
Patch
ubuntu.com / usn/USN-737-1