RHSA-2026:95194
Vulnerability from csaf_redhat - Published: 2026-11-04 16:22 - Updated: 2026-11-05 15:58An use after free flaw was found in the Skia component of the Chromium browser. Upstream bug(s): https://code.google.com/p/chromium/issues/detail?id=553345874
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A flaw was found in Skia, a 2D graphics library used in chromium-browser. This improper state validation vulnerability allows a remote attacker, who has already compromised the renderer process, to read memory outside of the security sandbox. This can be achieved by enticing a user to open a specially crafted HTML page, leading to information disclosure.
A flaw was found in Skia, a 2D graphics library used in Google Chrome. This vulnerability, stemming from an uninitialized resource, allows a remote attacker to obtain sensitive cross-origin data. By crafting a malicious HTML page, an attacker can trick a user into visiting it, leading to the unauthorized disclosure of information from other web origins.
A flaw was found in Skia, a 2D graphics library used in Google Chrome. A remote attacker, after compromising the renderer process, could exploit a use-after-free vulnerability by crafting a malicious HTML page. This could allow the attacker to obtain sensitive cross-origin data.
A flaw was found in Skia, a 2D graphics library, within Google Chrome. This vulnerability, stemming from improper state validation, allows a remote attacker to exploit it. By enticing a user to visit a specially crafted HTML page, the attacker can obtain sensitive cross-origin data.
An uninitialized resource flaw was found in the Skia component of the Chromium browser. Upstream bug(s): https://code.google.com/p/chromium/issues/detail?id=561994362 https://code.google.com/p/chromium/issues/detail?id=102325
An integer overflow flaw was found in the Skia component of the Chromium browser. Upstream bug(s): https://issues.chromium.org/issues/562038679
An uninitialized resource flaw was found in the Skia component of the Chromium browser. Upstream bug(s): https://issues.chromium.org/issues/561987051
An out of bounds read flaw was found in the Skia component of the Chromium browser. Upstream bug(s): https://issues.chromium.org/issues/530237174
A memory corruption flaw was found in the Skia component of the Chromium browser. Upstream bug(s): https://issues.chromium.org/issues/553126587
A memory corruption flaw was found in the Skia component of the Chromium browser. Upstream bug(s): https://issues.chromium.org/issues/576194994
A memory corruption flaw was found in the Skia component of the Chromium browser. Upstream bug(s): https://issues.chromium.org/issues/568936530
An improper input validation flaw was found in the Skia component of the Chromium browser. Upstream bug(s): https://issues.chromium.org/issues/574776938
A memory corruption flaw was found in the Skia component of the Chromium browser. Upstream bug(s): https://issues.chromium.org/issues/570825067
An improper input validation flaw was found in the Skia component of the Chromium browser. Upstream bug(s): https://issues.chromium.org/issues/568936430
An improper input validation flaw was found in the Skia component of the Chromium browser. Upstream bug(s): https://issues.chromium.org/issues/574213633
An use after free flaw was found in the Skia component of the Chromium browser. Upstream bug(s): https://issues.chromium.org/issues/577403270
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},
{
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{
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"details": "--- CME Mitigation Guidance (2026-11-03) ---\nDisclaimer: The following mitigation solutions are provided as a courtesy, pending the application of an official patch. This content was generated utilizing AI tools in conjunction with data from https://cmetaxonomy.org. Customers are advised to independently evaluate and test these temporary mitigations within their own infrastructure.\n\nThe highest-value action is to isolate browser renderer processes and prevent execution of untrusted graphics rendering workloads through unpatched Skia libraries: upgrade to Google Chrome 156.0.8078.73 (or the corresponding fixed Red Hat builds), which resolves memory corruption within the Skia component to eliminate out-of-bounds memory access inside the browser sandbox, closing crafted HTML page. Until patched, this is a concern on Chromium and Webkitgtk browser environments processing untrusted web content, so restrict user access to untrusted web content and enforce strict network filtering against external, untrusted web destinations. As a compensating measure, Enable ASLR to randomize renderer process memory layout and hinder reliable pointer calculations, Enforce non-executable page permissions (NX/XD bit) to block shellcode execution in data memory, Enforce full RELRO and PIE in browser binaries to prevent Global Offset Table overwrite, Enable Control Flow Integrity and Shadow Call Stack to validate indirect call targets and return addresses, Enable Arbitrary Code Guard on Windows to block dynamic allocation of executable memory pages, and Deploy EDR agents to monitor and detect anomalous post-exploitation behaviors or shell spawning from browser renderers. These controls limit blast radius and contain exploitation, but they do not fix the underlying memory corruption defect \u2014 apply the upstream patch to fully remediate.\n\nHighest-impact CME: CME-101 ASLR (Address Space Layout Randomization) (medium)",
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"title": "chromium-browser: skia: Memory corruption in Skia"
},
{
"cve": "CVE-2026-118340",
"cwe": {
"id": "CWE-119",
"name": "Improper Restriction of Operations within the Bounds of a Memory Buffer"
},
"discovery_date": "2026-10-27T23:22:10.050208+00:00",
"ids": [
{
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"text": "2562479"
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"notes": [
{
"category": "description",
"text": "A memory corruption flaw was found in the Skia component of the Chromium browser.\n\nUpstream bug(s):\n\nhttps://issues.chromium.org/issues/568936530",
"title": "Vulnerability description"
},
{
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"text": "chromium-browser: skia: Memory corruption in Skia",
"title": "Vulnerability summary"
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{
"category": "other",
"text": "Red Hat Product Security rates the severity of this flaw as determined by the Google Chrome Security Advisory.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
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"title": "chromium-browser: skia: Memory corruption in Skia"
},
{
"cve": "CVE-2026-118348",
"cwe": {
"id": "CWE-20",
"name": "Improper Input Validation"
},
"discovery_date": "2026-10-27T23:21:20.114554+00:00",
"ids": [
{
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"text": "2562464"
}
],
"notes": [
{
"category": "description",
"text": "An improper input validation flaw was found in the Skia component of the Chromium browser.\n\nUpstream bug(s):\n\nhttps://issues.chromium.org/issues/574776938",
"title": "Vulnerability description"
},
{
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"text": "chromium-browser: skia: Improper input validation in Skia",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "Red Hat Product Security rates the severity of this flaw as determined by the Google Chrome Security Advisory.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
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"details": "--- CME Mitigation Guidance (2026-11-03) ---\nDisclaimer: The following mitigation solutions are provided as a courtesy, pending the application of an official patch. This content was generated utilizing AI tools in conjunction with data from https://cmetaxonomy.org. Customers are advised to independently evaluate and test these temporary mitigations within their own infrastructure.\n\nThe highest-value action is to enforce strict input validation on drawing primitives and rendered web content processed by the Skia graphics engine: upgrade to Google Chrome 156.0.8078.73+ (or the corresponding fixed Red Hat builds), which validates input in the Skia component to prevent sandbox code execution during web content rendering, closing crafted HTML page. Until patched, this is a concern on all platforms running Chromium or WebKitGTK rendering untrusted web content, so restrict browsing to trusted sites and avoid loading untrusted or attacker-controlled web content. As a compensating measure, validate image dimensions, path counts, and buffer sizes before memory allocation and rendering bounds operations in Skia, enable ASLR to randomize the browser renderer process address space and hinder reliable code execution, and enforce non-executable page permissions on renderer heap and stack allocations using NX/XD bit. These controls limit blast radius and contain exploitation, but they do not fix the underlying improper input validation defect \u2014 apply the upstream patch to fully remediate.\n\nHighest-impact CME: CME-1311 Input Size and Quantity Bounds Enforcement (medium)",
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{
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{
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"text": "A memory corruption flaw was found in the Skia component of the Chromium browser.\n\nUpstream bug(s):\n\nhttps://issues.chromium.org/issues/570825067",
"title": "Vulnerability description"
},
{
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"text": "chromium-browser: skia: Memory corruption in Skia",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "Red Hat Product Security rates the severity of this flaw as determined by the Google Chrome Security Advisory.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
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"details": "--- CME Mitigation Guidance (2026-11-03) ---\nDisclaimer: The following mitigation solutions are provided as a courtesy, pending the application of an official patch. This content was generated utilizing AI tools in conjunction with data from https://cmetaxonomy.org. Customers are advised to independently evaluate and test these temporary mitigations within their own infrastructure.\n\nThe highest-value action is to eliminate memory corruption in Skia graphics rendering routines processing untrusted web content: upgrade to Google Chrome 156.0.8078.73+ (or the corresponding fixed Red Hat builds), which fixes memory corruption in the Skia graphics component when rendering crafted web content, closing crafted HTML page. Until patched, this is a concern on Chromium and WebKitGTK browser users rendering untrusted HTML pages, so restrict user browsing to trusted sites and avoid opening untrusted or attacker-controlled HTML pages. As a compensating measure, enable Full RELRO and PIE to make the Global Offset Table read-only and randomize binary base addresses, enforce kernel-level syscall filtering via seccomp to restrict available system calls in the renderer sandbox, enable Arbitrary Code Guard on Windows to block allocation and execution of dynamic code pages, deploy EDR agents to monitor and detect anomalous child process spawning or payload execution from the browser renderer, and compile with stack canaries to abort execution on stack buffer overflows. These controls limit blast radius and contain exploitation, but they do not fix the underlying memory corruption flaw \u2014 apply the upstream patch to fully remediate.\n\nHighest-impact CME: CME-101 ASLR (Address Space Layout Randomization) (high)",
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"details": "--- CME Mitigation Guidance (2026-11-03) ---\nDisclaimer: The following mitigation solutions are provided as a courtesy, pending the application of an official patch. This content was generated utilizing AI tools in conjunction with data from https://cmetaxonomy.org. Customers are advised to independently evaluate and test these temporary mitigations within their own infrastructure.\n\nThe highest-value action is to validate and bound input parameters and graphics primitives before processing by the Skia graphics engine: upgrade to Google Chrome 156.0.8078.73+ (or the corresponding fixed Red Hat builds), which validates input within the Skia component to prevent arbitrary code execution inside the renderer sandbox, closing crafted HTML page. Until patched, this is a concern on systems running vulnerable Chromium or WebKitGTK applications processing untrusted web content, so restrict user browsing to trusted sites and avoid loading untrusted HTML pages. As a compensating measure, enforce input size and quantity bounds by validating dimensions, lengths, and buffer counts in graphics primitives before Skia allocates memory or computes buffer offsets, enable ASLR to randomize the address space of the browser renderer process, impeding reliable arbitrary code execution relying on fixed memory offsets, and enforce NX/XD bit to prevent execution of injected shellcode within writable heap or data memory pages mapped by Skia. These controls limit blast radius and contain exploitation, but they do not fix the underlying improper input validation defect \u2014 apply the upstream patch to fully remediate.\n\nHighest-impact CME: CME-1311 Input Size and Quantity Bounds Enforcement (medium)",
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"title": "chromium-browser: skia: Improper input validation in Skia"
},
{
"cve": "CVE-2026-119261",
"cwe": {
"id": "CWE-20",
"name": "Improper Input Validation"
},
"discovery_date": "2026-10-30T02:35:26.348599+00:00",
"ids": [
{
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"text": "2563759"
}
],
"notes": [
{
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"text": "An improper input validation flaw was found in the Skia component of the Chromium browser.\n\nUpstream bug(s):\n\nhttps://issues.chromium.org/issues/574213633",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "chromium-browser: skia: Improper input validation in Skia",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "Red Hat Product Security rates the severity of this flaw as determined by the Google Chrome Security Advisory.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
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{
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"cwe": {
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},
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"ids": [
{
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{
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"text": "An use after free flaw was found in the Skia component of the Chromium browser.\n\nUpstream bug(s):\n\nhttps://issues.chromium.org/issues/577403270",
"title": "Vulnerability description"
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{
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"text": "chromium-browser: skia: Use after free in Skia",
"title": "Vulnerability summary"
},
{
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"text": "Red Hat Product Security rates the severity of this flaw as determined by the Google Chrome Security Advisory.",
"title": "Statement"
},
{
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"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
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{
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{
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{
"category": "external",
"summary": "https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_02107719452.html",
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{
"category": "vendor_fix",
"date": "2026-11-04T16:22:24+00:00",
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"title": "chromium-browser: skia: Use after free in Skia"
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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.
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.
Loading timeline…
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.
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.