RHSA-2005:498
Vulnerability from csaf_redhat - Published: 2005-06-23 19:19 - Updated: 2026-06-25 10:32Summary
Red Hat Security Advisory: spamassassin security update
Severity
Moderate
Notes
Topic: An updated spamassassin package that fixes a denial of service bug when
parsing malformed messages is now available.
This update has been rated as having moderate security impact by the Red
Hat Security Response Team.
Details: SpamAssassin provides a way to reduce unsolicited commercial email (SPAM)
from incoming email.
A denial of service bug has been found in SpamAssassin. An attacker could
construct a message in such a way that would cause SpamAssassin to consume
CPU resources. If a number of these messages were sent it could lead to a
denial of service, potentially preventing the delivery or filtering of
email. The Common Vulnerabilities and Exposures project (cve.mitre.org) has
assigned the name CAN-2005-1266 to this issue.
SpamAssassin version 3.0.4 additionally solves a number of bugs including:
- #156390 Spamassassin consumes too much memory during learning
- #155423 URI blacklist spam bypass
- #147464 Users may now disable subject rewriting
- Smarter default Bayes scores
- Numerous other bug fixes that improve spam filter accuracy and safety
For full details, please refer to the change details of 3.0.2, 3.0.3, and
3.0.4 in SpamAssassin's online documentation at the following address:
http://wiki.apache.org/spamassassin/NextRelease
Users of SpamAssassin should update to this updated package, containing
version 3.0.4 which is not vulnerable to this issue and resolves these bugs.
Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
Apache SpamAssassin 3.0.1, 3.0.2, and 3.0.3 allows remote attackers to cause a denial of service (CPU consumption and slowdown) via a message with a long Content-Type header without any boundaries.
Affected products
Fixed
32 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: 4AS:spamassassin-0:3.0.4-1.el4.i386 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 4AS:spamassassin-0:3.0.4-1.el4.ia64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 4AS:spamassassin-0:3.0.4-1.el4.ppc | — |
Vendor Fix
fix
|
|
| Unresolved product id: 4AS:spamassassin-0:3.0.4-1.el4.s390 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 4AS:spamassassin-0:3.0.4-1.el4.s390x | — |
Vendor Fix
fix
|
|
| Unresolved product id: 4AS:spamassassin-0:3.0.4-1.el4.src | — |
Vendor Fix
fix
|
|
| Unresolved product id: 4AS:spamassassin-0:3.0.4-1.el4.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 4AS:spamassassin-debuginfo-0:3.0.4-1.el4.i386 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 4AS:spamassassin-debuginfo-0:3.0.4-1.el4.ia64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 4AS:spamassassin-debuginfo-0:3.0.4-1.el4.ppc | — |
Vendor Fix
fix
|
|
| Unresolved product id: 4AS:spamassassin-debuginfo-0:3.0.4-1.el4.s390 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 4AS:spamassassin-debuginfo-0:3.0.4-1.el4.s390x | — |
Vendor Fix
fix
|
|
| Unresolved product id: 4AS:spamassassin-debuginfo-0:3.0.4-1.el4.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 4Desktop:spamassassin-0:3.0.4-1.el4.i386 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 4Desktop:spamassassin-0:3.0.4-1.el4.src | — |
Vendor Fix
fix
|
|
| Unresolved product id: 4Desktop:spamassassin-0:3.0.4-1.el4.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 4Desktop:spamassassin-debuginfo-0:3.0.4-1.el4.i386 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 4Desktop:spamassassin-debuginfo-0:3.0.4-1.el4.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 4ES:spamassassin-0:3.0.4-1.el4.i386 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 4ES:spamassassin-0:3.0.4-1.el4.ia64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 4ES:spamassassin-0:3.0.4-1.el4.src | — |
Vendor Fix
fix
|
|
| Unresolved product id: 4ES:spamassassin-0:3.0.4-1.el4.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 4ES:spamassassin-debuginfo-0:3.0.4-1.el4.i386 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 4ES:spamassassin-debuginfo-0:3.0.4-1.el4.ia64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 4ES:spamassassin-debuginfo-0:3.0.4-1.el4.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 4WS:spamassassin-0:3.0.4-1.el4.i386 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 4WS:spamassassin-0:3.0.4-1.el4.ia64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 4WS:spamassassin-0:3.0.4-1.el4.src | — |
Vendor Fix
fix
|
|
| Unresolved product id: 4WS:spamassassin-0:3.0.4-1.el4.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 4WS:spamassassin-debuginfo-0:3.0.4-1.el4.i386 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 4WS:spamassassin-debuginfo-0:3.0.4-1.el4.ia64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 4WS:spamassassin-debuginfo-0:3.0.4-1.el4.x86_64 | — |
Vendor Fix
fix
|
Threats
Impact
Moderate
References
10 references
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"ids": [
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}
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"title": "Vulnerability description"
},
{
"category": "summary",
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}
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Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Vulnerability timeline
Sightings and recorded dates, grouped by day · UTC
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.