RHSA-2005:068
Vulnerability from csaf_redhat - Published: 2005-01-26 15:40 - Updated: 2026-06-25 10:32Summary
Red Hat Security Advisory: less security update
Severity
Important
Notes
Topic: An updated less package that fixes segmentation fault when viewing binary
files is now available.
Details: The less utility is a text file browser that resembles more, but has
extended capabilities.
Victor Ashik discovered a heap based buffer overflow in less, caused by a
patch added to the less package in Red Hat Enterprise Linux 3. An attacker
could construct a carefully crafted file that could cause less to crash or
possibly execute arbitrary code when opened. The Common Vulnerabilities
and Exposures project (cve.mitre.org) has assigned the name CAN-2005-0086
to this issue. Note that this issue only affects the version of less
distributed with Red Hat Enterprise Linux 3.
Red Hat believes that the Exec-Shield technology (enabled by default since
Update 3) will block attempts to remotely exploit this vulnerability on x86
architectures.
All users of the less package should upgrade to this updated package,
which resolves this issue.
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.
Heap-based buffer overflow in less in Red Hat Enterprise Linux 3 allows attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted file, as demonstrated using the UTF-8 locale.
Affected products
Fixed
32 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: 3AS:less-0:378-12.i386 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 3AS:less-0:378-12.ia64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 3AS:less-0:378-12.ppc | — |
Vendor Fix
fix
|
|
| Unresolved product id: 3AS:less-0:378-12.s390 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 3AS:less-0:378-12.s390x | — |
Vendor Fix
fix
|
|
| Unresolved product id: 3AS:less-0:378-12.src | — |
Vendor Fix
fix
|
|
| Unresolved product id: 3AS:less-0:378-12.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 3AS:less-debuginfo-0:378-12.i386 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 3AS:less-debuginfo-0:378-12.ia64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 3AS:less-debuginfo-0:378-12.ppc | — |
Vendor Fix
fix
|
|
| Unresolved product id: 3AS:less-debuginfo-0:378-12.s390 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 3AS:less-debuginfo-0:378-12.s390x | — |
Vendor Fix
fix
|
|
| Unresolved product id: 3AS:less-debuginfo-0:378-12.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 3Desktop:less-0:378-12.i386 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 3Desktop:less-0:378-12.src | — |
Vendor Fix
fix
|
|
| Unresolved product id: 3Desktop:less-0:378-12.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 3Desktop:less-debuginfo-0:378-12.i386 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 3Desktop:less-debuginfo-0:378-12.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 3ES:less-0:378-12.i386 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 3ES:less-0:378-12.ia64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 3ES:less-0:378-12.src | — |
Vendor Fix
fix
|
|
| Unresolved product id: 3ES:less-0:378-12.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 3ES:less-debuginfo-0:378-12.i386 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 3ES:less-debuginfo-0:378-12.ia64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 3ES:less-debuginfo-0:378-12.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 3WS:less-0:378-12.i386 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 3WS:less-0:378-12.ia64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 3WS:less-0:378-12.src | — |
Vendor Fix
fix
|
|
| Unresolved product id: 3WS:less-0:378-12.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 3WS:less-debuginfo-0:378-12.i386 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 3WS:less-debuginfo-0:378-12.ia64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 3WS:less-debuginfo-0:378-12.x86_64 | — |
Vendor Fix
fix
|
Threats
Impact
Important
References
8 references
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"category": "default_component_of",
"full_product_name": {
"name": "less-debuginfo-0:378-12.x86_64 as a component of Red Hat Enterprise Linux ES version 3",
"product_id": "3ES:less-debuginfo-0:378-12.x86_64"
},
"product_reference": "less-debuginfo-0:378-12.x86_64",
"relates_to_product_reference": "3ES"
},
{
"category": "default_component_of",
"full_product_name": {
"name": "less-0:378-12.i386 as a component of Red Hat Enterprise Linux WS version 3",
"product_id": "3WS:less-0:378-12.i386"
},
"product_reference": "less-0:378-12.i386",
"relates_to_product_reference": "3WS"
},
{
"category": "default_component_of",
"full_product_name": {
"name": "less-0:378-12.ia64 as a component of Red Hat Enterprise Linux WS version 3",
"product_id": "3WS:less-0:378-12.ia64"
},
"product_reference": "less-0:378-12.ia64",
"relates_to_product_reference": "3WS"
},
{
"category": "default_component_of",
"full_product_name": {
"name": "less-0:378-12.src as a component of Red Hat Enterprise Linux WS version 3",
"product_id": "3WS:less-0:378-12.src"
},
"product_reference": "less-0:378-12.src",
"relates_to_product_reference": "3WS"
},
{
"category": "default_component_of",
"full_product_name": {
"name": "less-0:378-12.x86_64 as a component of Red Hat Enterprise Linux WS version 3",
"product_id": "3WS:less-0:378-12.x86_64"
},
"product_reference": "less-0:378-12.x86_64",
"relates_to_product_reference": "3WS"
},
{
"category": "default_component_of",
"full_product_name": {
"name": "less-debuginfo-0:378-12.i386 as a component of Red Hat Enterprise Linux WS version 3",
"product_id": "3WS:less-debuginfo-0:378-12.i386"
},
"product_reference": "less-debuginfo-0:378-12.i386",
"relates_to_product_reference": "3WS"
},
{
"category": "default_component_of",
"full_product_name": {
"name": "less-debuginfo-0:378-12.ia64 as a component of Red Hat Enterprise Linux WS version 3",
"product_id": "3WS:less-debuginfo-0:378-12.ia64"
},
"product_reference": "less-debuginfo-0:378-12.ia64",
"relates_to_product_reference": "3WS"
},
{
"category": "default_component_of",
"full_product_name": {
"name": "less-debuginfo-0:378-12.x86_64 as a component of Red Hat Enterprise Linux WS version 3",
"product_id": "3WS:less-debuginfo-0:378-12.x86_64"
},
"product_reference": "less-debuginfo-0:378-12.x86_64",
"relates_to_product_reference": "3WS"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2005-0086",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1617448"
}
],
"notes": [
{
"category": "description",
"text": "Heap-based buffer overflow in less in Red Hat Enterprise Linux 3 allows attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted file, as demonstrated using the UTF-8 locale.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "security flaw",
"title": "Vulnerability summary"
}
],
"product_status": {
"fixed": [
"3AS:less-0:378-12.i386",
"3AS:less-0:378-12.ia64",
"3AS:less-0:378-12.ppc",
"3AS:less-0:378-12.s390",
"3AS:less-0:378-12.s390x",
"3AS:less-0:378-12.src",
"3AS:less-0:378-12.x86_64",
"3AS:less-debuginfo-0:378-12.i386",
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"3ES:less-0:378-12.ia64",
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"3ES:less-debuginfo-0:378-12.ia64",
"3ES:less-debuginfo-0:378-12.x86_64",
"3WS:less-0:378-12.i386",
"3WS:less-0:378-12.ia64",
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"3WS:less-debuginfo-0:378-12.ia64",
"3WS:less-debuginfo-0:378-12.x86_64"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2005-0086"
},
{
"category": "external",
"summary": "RHBZ#1617448",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1617448"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2005-0086",
"url": "https://www.cve.org/CVERecord?id=CVE-2005-0086"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2005-0086",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2005-0086"
}
],
"release_date": "2005-01-19T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2005-01-26T15:40:00+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nTo update all RPMs for your particular architecture, run:\n\nrpm -Fvh [filenames]\n\nwhere [filenames] is a list of the RPMs you wish to upgrade. Only those\nRPMs which are currently installed will be updated. Those RPMs which are\nnot installed but included in the list will not be updated. Note that you\ncan also use wildcards (*.rpm) if your current directory *only* contains\nthe\ndesired RPMs.\n\nPlease note that this update is also available via Red Hat Network. Many\npeople find this an easier way to apply updates. To use Red Hat Network,\nlaunch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.",
"product_ids": [
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"3AS:less-0:378-12.ia64",
"3AS:less-0:378-12.ppc",
"3AS:less-0:378-12.s390",
"3AS:less-0:378-12.s390x",
"3AS:less-0:378-12.src",
"3AS:less-0:378-12.x86_64",
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"3AS:less-debuginfo-0:378-12.ppc",
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"3Desktop:less-0:378-12.i386",
"3Desktop:less-0:378-12.src",
"3Desktop:less-0:378-12.x86_64",
"3Desktop:less-debuginfo-0:378-12.i386",
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"3ES:less-0:378-12.i386",
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"3ES:less-0:378-12.src",
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"3ES:less-debuginfo-0:378-12.i386",
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"3WS:less-0:378-12.src",
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"3WS:less-debuginfo-0:378-12.i386",
"3WS:less-debuginfo-0:378-12.ia64",
"3WS:less-debuginfo-0:378-12.x86_64"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2005:068"
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "security flaw"
}
]
}
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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
How durations are calculated
Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.
Each result shows its source dates. A negative interval means the end event came first; when date-only inputs leave the order open, the result says so. Date-only inputs are approximate. The earliest evidence wins: KEV report dates and sightings are labelled as such. Records describing another vulnerability are listed but never calculated from, and a PoC alone does not establish exploitation. Missing patch evidence does not prove that no patch exists. Filters below change the event list only.
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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.