CVE-2009-0585

7.5 HIGH 4% exploit odds Fix listed

What it is

Integer overflow in the soup_base64_encode function in soup-misc.c in libsoup 2.x.x before 2.2.x, and 2.x before 2.24, allows context-dependent attackers to execute arbitrary code via a long string that is converted to a base64 representation.

At a glance

Exploitability: Can be exploited over the network without logging in. Limited direct impact.
Exploit odds: 4.0% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2009-03-14 18:30 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-16 23:05 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 4.0% in the next 30 days (EPSS).
Severity: 7.5 HIGH (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2009-03-14 18:30 UTC
Last modified: 2026-06-16 23:05 UTC
Exploit probability: 4.0% · EPSS, next 30 days
Weakness: CWE-189
Record status: Modified

Affected

Joe Shaw Libsoup 2.1
Joe Shaw Libsoup 2.23.1
Joe Shaw Libsoup 2.23.6
Joe Shaw Libsoup 2.23.91
Joe Shaw Libsoup 2.23.92

Attack profile CVSS 2.0 · 7.5

Attack vector: Network
Complexity: Low
Authentication: None
Confidentiality: Partial
Integrity: Partial
Availability: Partial

Raw vector

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

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2009-0585.md and follow it. Check whether this project is affected by CVE-2009-0585. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record