CVE-2007-2958

Format string vulnerability in the inc_put_error function in src/inc.c in Sylpheed 2.4.4, and Sylpheed-Claws (Claws Mail) 1.9.100 and 2.10.0, allows remote POP3 servers to execute arbitrary code via format string specifiers in crafted replies.

Published: 2007-08-27 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2007-2958 is rated Moderate Risk (58.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 4.52%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2007-2958

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-04-15 4.35% 4.52% +0.17%
2 2025-08-03 3.92% 4.35% +0.43%
3 2025-07-26 3.92%

Full EPSS history (13 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2007-2958

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.8 2.0 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
8.6 6.4 [email protected]

Weakness enumeration for CVE-2007-2958

OS Trackers for CVE-2007-2958

vendor priority summary link
debian low CVE-2007-2958 low priority: Debian including 1 source packages (sylpheed), 3 status rows across 3 suites (bookworm, bullseye, trixie): resolved 3. https://security-tracker.debian.org/tracker/CVE-2007-2958
gentoo normal CVE-2007-2958: 1 GLSA(s) (200710-29), 2 atom(s) (mail-client/claws-mail, mail-client/sylpheed); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2007-2958
redhat high https://access.redhat.com/security/cve/CVE-2007-2958
ubuntu medium CVE-2007-2958 medium priority: Ubuntu including 4 source packages (claws-mail, sylpheed, sylpheed-claws, sylpheed-claws-gtk2), 20 status rows across 5 suites (dapper, edgy, feisty, gutsy, upstream): released 11, DNE 5, needs-triage 4. https://ubuntu.com/security/CVE-2007-2958

Vendor comments (NVD) for CVE-2007-2958

  • Red Hat (2007-08-28T00:00:00)

    Not vulnerable. This issue did not affect version of Sylpheed as shipped with Red Hat Enterprise Linux 2.1. Sylpheed and claws-mail are not shipped with Red Hat Enterprise Linux 3, 4, or 5.

Affected software / configurations for CVE-2007-2958

Vendor Product Version Raw CPE
sylpheed sylpheed 2.4.4 cpe:2.3:a:sylpheed:sylpheed:2.4.4:*:*:*:*:*:*:*
sylpheed-claws sylpheed-claws 1.9.100 cpe:2.3:a:sylpheed-claws:sylpheed-claws:1.9.100:*:*:*:*:*:*:*
sylpheed-claws sylpheed-claws 2.10.0 cpe:2.3:a:sylpheed-claws:sylpheed-claws:2.10.0:*:*:*:*:*:*:*

References for CVE-2007-2958

cvelogic Threat Intelligence