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12 vulnerabilities found for Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On by Red Hat
CVE-2026-34002 (GCVE-0-2026-34002)
Vulnerability from cvelistv5
Published
2026-05-05 14:41
Modified
2026-06-08 03:30
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-805 - Buffer Access with Incorrect Length Value
Summary
A flaw was found in the X.Org X server. This vulnerability, an out-of-bounds read, affects the XKB (X Keyboard Extension) modifier map handling. An attacker with access to the X11 server can exploit this by sending a malformed request, which causes the server to read beyond its intended memory boundaries. This can lead to the exposure of sensitive information or cause the server to crash, resulting in a denial of service.
References
Impacted products
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| Red Hat | Red Hat Enterprise Linux 10.0 Extended Update Support |
Unaffected: 0:24.1.5-6.el10_0 < * cpe:/o:redhat:enterprise_linux_eus:10.0 |
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CVE-2026-34000 (GCVE-0-2026-34000)
Vulnerability from cvelistv5
Published
2026-05-05 14:41
Modified
2026-06-08 03:30
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-125 - Out-of-bounds Read
Summary
A flaw was found in the X.Org X server. This out-of-bounds read vulnerability in the XKB geometry processing, specifically within the `CheckSetGeom()` and `XkbAddGeomKeyAlias` functions, allows an attacker to read uninitialized or out-of-bounds memory. An attacker with a connection to the X11 server, either locally or remotely, can exploit this without user interaction. This could lead to the disclosure of memory contents or cause a denial of service by crashing the server.
References
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Impacted products
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| Red Hat | Red Hat Enterprise Linux 10.0 Extended Update Support |
Unaffected: 0:24.1.5-6.el10_0 < * cpe:/o:redhat:enterprise_linux_eus:10.0 |
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CVE-2026-34003 (GCVE-0-2026-34003)
Vulnerability from cvelistv5
Published
2026-04-23 14:54
Modified
2026-06-08 03:20
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-125 - Out-of-bounds Read
Summary
A flaw was found in the X.Org X server's XKB key types request validation. A local attacker could send a specially crafted request to the X server, leading to an out-of-bounds memory access vulnerability. This could result in the disclosure of sensitive information or cause the server to crash, leading to a Denial of Service (DoS). In certain configurations, higher impact outcomes may be possible.
References
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Impacted products
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| Red Hat | Red Hat Enterprise Linux 10 |
Unaffected: 0:24.1.5-6.el10_1 < * cpe:/o:redhat:enterprise_linux:10.1 |
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CVE-2026-34001 (GCVE-0-2026-34001)
Vulnerability from cvelistv5
Published
2026-04-23 14:54
Modified
2026-06-08 03:19
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-825 - Expired Pointer Dereference
Summary
A flaw was found in the X.Org X server. This use-after-free vulnerability occurs in the XSYNC fence triggering logic, specifically within the miSyncTriggerFence() function. An attacker with access to the X11 server can exploit this without user interaction, leading to a server crash and potentially enabling memory corruption. This could result in a denial of service or further compromise of the system.
References
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Impacted products
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| Red Hat | Red Hat Enterprise Linux 10 |
Unaffected: 0:24.1.5-6.el10_1 < * cpe:/o:redhat:enterprise_linux:10.1 |
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CVE-2026-33999 (GCVE-0-2026-33999)
Vulnerability from cvelistv5
Published
2026-04-23 14:53
Modified
2026-06-08 03:19
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-191 - Integer Underflow (Wrap or Wraparound)
Summary
A flaw was found in the X.Org X server. This integer underflow vulnerability, specifically in the XKB compatibility map handling, allows an attacker with local or remote X11 server access to trigger a buffer read overrun. This can lead to memory-safety violations and potentially a denial of service (DoS) or other severe impacts.
References
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Impacted products
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| Red Hat | Red Hat Enterprise Linux 10 |
Unaffected: 0:24.1.5-6.el10_1 < * cpe:/o:redhat:enterprise_linux:10.1 |
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CVE-2026-4878 (GCVE-0-2026-4878)
Vulnerability from cvelistv5
Published
2026-04-09 14:49
Modified
2026-06-10 15:34
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Summary
A flaw was found in libcap. A local unprivileged user can exploit a Time-of-check-to-time-of-use (TOCTOU) race condition in the `cap_set_file()` function. This allows an attacker with write access to a parent directory to redirect file capability updates to an attacker-controlled file. By doing so, capabilities can be injected into or stripped from unintended executables, leading to privilege escalation.
References
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Impacted products
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| Red Hat | Red Hat Enterprise Linux 10 |
Unaffected: 0:2.69-7.el10_1.1 < * cpe:/o:redhat:enterprise_linux:10.1 |
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CVE-2026-5119 (GCVE-0-2026-5119)
Vulnerability from cvelistv5
Published
2026-03-30 05:35
Modified
2026-06-09 08:57
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-319 - Cleartext Transmission of Sensitive Information
Summary
A flaw was found in libsoup. When establishing HTTPS tunnels through a configured HTTP proxy, sensitive session cookies are transmitted in cleartext within the initial HTTP CONNECT request. A network-positioned attacker or a malicious HTTP proxy can intercept these cookies, leading to potential session hijacking or user impersonation.
References
| URL | Tags | ||||||||||||||||||||||||||||||||||||||||||||||||||||
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Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 10 |
Unaffected: 0:3.6.5-3.el10_1.11 < * cpe:/o:redhat:enterprise_linux:10.1 |
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CVE-2025-49180 (GCVE-0-2025-49180)
Vulnerability from cvelistv5
Published
2025-06-17 15:00
Modified
2025-12-11 15:34
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-190 - Integer Overflow or Wraparound
Summary
A flaw was found in the RandR extension, where the RRChangeProviderProperty function does not properly validate input. This issue leads to an integer overflow when computing the total size to allocate.
References
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Impacted products
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| X.Org | xwayland |
Version: 0 ≤ |
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CVE-2025-49179 (GCVE-0-2025-49179)
Vulnerability from cvelistv5
Published
2025-06-17 14:54
Modified
2025-12-11 15:43
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-190 - Integer Overflow or Wraparound
Summary
A flaw was found in the X Record extension. The RecordSanityCheckRegisterClients function does not check for an integer overflow when computing request length, which allows a client to bypass length checks.
References
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Impacted products
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| X.Org | xwayland |
Version: 0 ≤ |
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{
"containers": {
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{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2025-49179",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-06-17T15:03:25.523317Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2025-06-17T15:04:08.505Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
},
{
"providerMetadata": {
"dateUpdated": "2025-11-03T20:05:14.402Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
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}
],
"title": "CVE Program Container"
}
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CVE-2025-49178 (GCVE-0-2025-49178)
Vulnerability from cvelistv5
Published
2025-06-17 14:54
Modified
2025-12-11 15:43
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-667 - Improper Locking
Summary
A flaw was found in the X server's request handling. Non-zero 'bytes to ignore' in a client's request can cause the server to skip processing another client's request, potentially leading to a denial of service.
References
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Impacted products
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| X.Org | xwayland |
Version: 0 ≤ |
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CVE-2025-49176 (GCVE-0-2025-49176)
Vulnerability from cvelistv5
Published
2025-06-17 14:49
Modified
2025-12-11 15:34
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-190 - Integer Overflow or Wraparound
Summary
A flaw was found in the Big Requests extension. The request length is multiplied by 4 before checking against the maximum allowed size, potentially causing an integer overflow and bypassing the size check.
References
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Impacted products
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| X.Org | xwayland |
Version: 0 ≤ |
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CVE-2025-49175 (GCVE-0-2025-49175)
Vulnerability from cvelistv5
Published
2025-06-17 14:39
Modified
2025-12-11 15:34
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-125 - Out-of-bounds Read
Summary
A flaw was found in the X Rendering extension's handling of animated cursors. If a client provides no cursors, the server assumes at least one is present, leading to an out-of-bounds read and potential crash.
References
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Impacted products
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| X.Org | xwayland |
Version: 0 ≤ |
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"title": "Xorg-x11-server-xwayland: xorg-x11-server: tigervnc: out-of-bounds read in x rendering extension animated cursors",
"workarounds": [
{
"lang": "en",
"value": "Mitigation for this issue is either not available or the currently available options don\u0027t meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability."
}
],
"x_generator": {
"engine": "cvelib 1.8.0"
},
"x_redhatCweChain": "CWE-125: Out-of-bounds Read"
}
},
"cveMetadata": {
"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
"assignerShortName": "redhat",
"cveId": "CVE-2025-49175",
"datePublished": "2025-06-17T14:39:39.428Z",
"dateReserved": "2025-06-03T05:38:02.947Z",
"dateUpdated": "2025-12-11T15:34:12.649Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}