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CVE-2005-0100

21
FAUCET Score

CVE-2005-0100 describes a format string vulnerability in the movemail utility affecting Emacs (versions 20.x, 21.3, and potentially others) and XEmacs (version 21.4 and earlier). This vulnerability allows remote malicious POP3 servers to execute arbitrary code by sending crafted packets. With a CVSS score of 7.5, it is a high-severity issue, requiring no authentication and having low attack complexity, potentially leading to partial confidentiality, integrity, and availability compromise. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 20.0CPE matchmatch criteria
cpe:2.3:a:gnu:emacs:*:*:*:*:*:*:*:*
21.3CPE matchmatch criteria
cpe:2.3:a:gnu:emacs:21.3:*:*:*:*:*:*:*
<= 21.4CPE matchmatch criteria
cpe:2.3:a:gnu:xemacs:*:*:*:*:*:*:*:*

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
4.36%
Probability of exploitation in next 30 days
EPSS Percentile
90.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0436 is in the 83rd 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 (5)

debianpatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 3Fixed in: emacs-0:21.3-4.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 3Fixed in: xemacs-0:21.4.13-8.ent.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: emacs-0:21.3-19.EL.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: xemacs-0:21.4.15-10.EL.1
View patch

Vendor Advisories (1)

redhatCVE-2005-0100Important

security flaw

Feb 6, 2005

References

marc.info
exchange.xforce.ibmcloud.com / vulnerabilities/19246
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9408
debian.org / security/2005/dsa-670
PatchVendor Advisory
debian.org / security/2005/dsa-671
PatchVendor Advisory
debian.org / security/2005/dsa-685
PatchVendor Advisory
mandriva.com / security/advisories
redhat.com / support/errata/RHSA-2005-110.html
PatchVendor Advisory
redhat.com / support/errata/RHSA-2005-112.html
PatchVendor Advisory
redhat.com / support/errata/RHSA-2005-133.html
PatchVendor Advisory
securityfocus.com / archive/1/433928/30/5010/threaded
securityfocus.com / bid/12462