ALSA-2021:4381 (CVE-2020-13558)
Vulnerability from osv_almalinux – Published: 2021-11-09 09:15 – Updated: 2026-11-01 11:41 – Source website
VLAI
Summary
Moderate: GNOME security, bug fix, and enhancement update
Details
GNOME is the default desktop environment of AlmaLinux.
The following packages have been upgraded to a later upstream version: gdm (40.0), webkit2gtk3 (2.32.3). (BZ#1909300)
Security Fix(es):
-
webkitgtk: Use-after-free in AudioSourceProviderGStreamer leading to arbitrary code execution (CVE-2020-13558)
-
LibRaw: Stack buffer overflow in LibRaw::identify_process_dng_fields() in identify.cpp (CVE-2020-24870)
-
webkitgtk: Use-after-free leading to arbitrary code execution (CVE-2020-27918)
-
webkitgtk: IFrame sandboxing policy violation (CVE-2021-1765)
-
webkitgtk: Use-after-free leading to arbitrary code execution (CVE-2021-1788)
-
webkitgtk: Type confusion issue leading to arbitrary code execution (CVE-2021-1789)
-
webkitgtk: Access to restricted ports on arbitrary servers via port redirection (CVE-2021-1799)
-
webkitgtk: IFrame sandboxing policy violation (CVE-2021-1801)
-
webkitgtk: Memory corruption issue leading to arbitrary code execution (CVE-2021-1844)
-
webkitgtk: Logic issue leading to arbitrary code execution (CVE-2021-1870)
-
webkitgtk: Logic issue leading to arbitrary code execution (CVE-2021-1871)
-
webkitgtk: Use-after-free in ImageLoader dispatchPendingErrorEvent leading to information leak and possibly code execution (CVE-2021-21775)
-
webkitgtk: Use-after-free in WebCore::GraphicsContext leading to information leak and possibly code execution (CVE-2021-21779)
-
webkitgtk: Use-after-free in fireEventListeners leading to arbitrary code execution (CVE-2021-21806)
-
webkitgtk: Integer overflow leading to arbitrary code execution (CVE-2021-30663)
-
webkitgtk: Memory corruption leading to arbitrary code execution (CVE-2021-30665)
-
webkitgtk: Logic issue leading to leak of sensitive user information (CVE-2021-30682)
-
webkitgtk: Logic issue leading to universal cross site scripting attack (CVE-2021-30689)
-
webkitgtk: Logic issue allowing access to restricted ports on arbitrary servers (CVE-2021-30720)
-
webkitgtk: Memory corruptions leading to arbitrary code execution (CVE-2021-30734)
-
webkitgtk: Cross-origin issue with iframe elements leading to universal cross site scripting attack (CVE-2021-30744)
-
webkitgtk: Memory corruptions leading to arbitrary code execution (CVE-2021-30749)
-
webkitgtk: Type confusion leading to arbitrary code execution (CVE-2021-30758)
-
webkitgtk: Use-after-free leading to arbitrary code execution (CVE-2021-30795)
-
webkitgtk: Insufficient checks leading to arbitrary code execution (CVE-2021-30797)
-
webkitgtk: Memory corruptions leading to arbitrary code execution (CVE-2021-30799)
-
webkitgtk: User may be unable to fully delete browsing history (CVE-2020-29623)
-
gnome-autoar: Directory traversal via directory symbolic links pointing outside of the destination directory (CVE-2020-36241)
-
gnome-autoar: Directory traversal via directory symbolic links pointing outside of the destination directory (incomplete CVE-2020-36241 fix) (CVE-2021-28650)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Additional Changes:
For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.
References
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"details": "GNOME is the default desktop environment of AlmaLinux.\n\nThe following packages have been upgraded to a later upstream version: gdm (40.0), webkit2gtk3 (2.32.3). (BZ#1909300)\n\nSecurity Fix(es):\n\n* webkitgtk: Use-after-free in AudioSourceProviderGStreamer leading to arbitrary code execution (CVE-2020-13558)\n\n* LibRaw: Stack buffer overflow in LibRaw::identify_process_dng_fields() in identify.cpp (CVE-2020-24870)\n\n* webkitgtk: Use-after-free leading to arbitrary code execution (CVE-2020-27918)\n\n* webkitgtk: IFrame sandboxing policy violation (CVE-2021-1765)\n\n* webkitgtk: Use-after-free leading to arbitrary code execution (CVE-2021-1788)\n\n* webkitgtk: Type confusion issue leading to arbitrary code execution (CVE-2021-1789)\n\n* webkitgtk: Access to restricted ports on arbitrary servers via port redirection (CVE-2021-1799)\n\n* webkitgtk: IFrame sandboxing policy violation (CVE-2021-1801)\n\n* webkitgtk: Memory corruption issue leading to arbitrary code execution (CVE-2021-1844)\n\n* webkitgtk: Logic issue leading to arbitrary code execution (CVE-2021-1870)\n\n* webkitgtk: Logic issue leading to arbitrary code execution (CVE-2021-1871)\n\n* webkitgtk: Use-after-free in ImageLoader dispatchPendingErrorEvent leading to information leak and possibly code execution (CVE-2021-21775)\n\n* webkitgtk: Use-after-free in WebCore::GraphicsContext leading to information leak and possibly code execution (CVE-2021-21779)\n\n* webkitgtk: Use-after-free in fireEventListeners leading to arbitrary code execution (CVE-2021-21806)\n\n* webkitgtk: Integer overflow leading to arbitrary code execution (CVE-2021-30663)\n\n* webkitgtk: Memory corruption leading to arbitrary code execution (CVE-2021-30665)\n\n* webkitgtk: Logic issue leading to leak of sensitive user information (CVE-2021-30682)\n\n* webkitgtk: Logic issue leading to universal cross site scripting attack (CVE-2021-30689)\n\n* webkitgtk: Logic issue allowing access to restricted ports on arbitrary servers (CVE-2021-30720)\n\n* webkitgtk: Memory corruptions leading to arbitrary code execution (CVE-2021-30734)\n\n* webkitgtk: Cross-origin issue with iframe elements leading to universal cross site scripting attack (CVE-2021-30744)\n\n* webkitgtk: Memory corruptions leading to arbitrary code execution (CVE-2021-30749)\n\n* webkitgtk: Type confusion leading to arbitrary code execution (CVE-2021-30758)\n\n* webkitgtk: Use-after-free leading to arbitrary code execution (CVE-2021-30795)\n\n* webkitgtk: Insufficient checks leading to arbitrary code execution (CVE-2021-30797)\n\n* webkitgtk: Memory corruptions leading to arbitrary code execution (CVE-2021-30799)\n\n* webkitgtk: User may be unable to fully delete browsing history (CVE-2020-29623)\n\n* gnome-autoar: Directory traversal via directory symbolic links pointing outside of the destination directory (CVE-2020-36241)\n\n* gnome-autoar: Directory traversal via directory symbolic links pointing outside of the destination directory (incomplete CVE-2020-36241 fix) (CVE-2021-28650)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.",
"id": "ALSA-2021:4381",
"modified": "2026-11-01T11:41:42Z",
"published": "2021-11-09T09:15:15Z",
"references": [
{
"type": "ADVISORY",
"url": "https://access.redhat.com/errata/RHSA-2021:4381"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/1651378"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/1770302"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/1791478"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/1813727"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/1854679"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/1873297"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/1873488"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/1888404"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/1894613"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/1897932"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/1904139"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/1905000"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/1909300"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/1914925"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/1924725"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/1925640"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/1928794"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/1928886"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/1935261"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/1937416"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/1937866"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/1938937"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/1940026"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/1944323"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/1944329"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/1944333"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/1944337"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/1944340"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/1944343"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/1944350"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/1944859"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/1944862"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/1944867"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/1949176"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/1951086"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/1952136"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/1955754"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/1957705"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/1960705"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/1962049"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/1971507"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/1971534"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/1972545"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/1978287"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/1978505"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/1978612"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/1980441"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/1980661"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/1981420"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/1986863"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/1986866"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/1986872"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/1986874"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/1986879"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/1986881"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/1986883"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/1986886"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/1986888"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/1986890"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/1986892"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/1986900"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/1986902"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/1986906"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/1987233"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/1989035"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/1998989"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/1999120"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2004170"
},
{
"type": "ADVISORY",
"url": "https://errata.almalinux.org/8/ALSA-2021-4381.html"
},
{
"type": "REPORT",
"url": "https://vulners.com/cve/CVE-2020-13558"
},
{
"type": "REPORT",
"url": "https://vulners.com/cve/CVE-2020-24870"
},
{
"type": "REPORT",
"url": "https://vulners.com/cve/CVE-2020-27918"
},
{
"type": "REPORT",
"url": "https://vulners.com/cve/CVE-2020-29623"
},
{
"type": "REPORT",
"url": "https://vulners.com/cve/CVE-2020-36241"
},
{
"type": "REPORT",
"url": "https://vulners.com/cve/CVE-2021-1765"
},
{
"type": "REPORT",
"url": "https://vulners.com/cve/CVE-2021-1788"
},
{
"type": "REPORT",
"url": "https://vulners.com/cve/CVE-2021-1789"
},
{
"type": "REPORT",
"url": "https://vulners.com/cve/CVE-2021-1799"
},
{
"type": "REPORT",
"url": "https://vulners.com/cve/CVE-2021-1801"
},
{
"type": "REPORT",
"url": "https://vulners.com/cve/CVE-2021-1844"
},
{
"type": "REPORT",
"url": "https://vulners.com/cve/CVE-2021-1870"
},
{
"type": "REPORT",
"url": "https://vulners.com/cve/CVE-2021-1871"
},
{
"type": "REPORT",
"url": "https://vulners.com/cve/CVE-2021-21775"
},
{
"type": "REPORT",
"url": "https://vulners.com/cve/CVE-2021-21779"
},
{
"type": "REPORT",
"url": "https://vulners.com/cve/CVE-2021-21806"
},
{
"type": "REPORT",
"url": "https://vulners.com/cve/CVE-2021-28650"
},
{
"type": "REPORT",
"url": "https://vulners.com/cve/CVE-2021-30663"
},
{
"type": "REPORT",
"url": "https://vulners.com/cve/CVE-2021-30665"
},
{
"type": "REPORT",
"url": "https://vulners.com/cve/CVE-2021-30682"
},
{
"type": "REPORT",
"url": "https://vulners.com/cve/CVE-2021-30689"
},
{
"type": "REPORT",
"url": "https://vulners.com/cve/CVE-2021-30720"
},
{
"type": "REPORT",
"url": "https://vulners.com/cve/CVE-2021-30734"
},
{
"type": "REPORT",
"url": "https://vulners.com/cve/CVE-2021-30744"
},
{
"type": "REPORT",
"url": "https://vulners.com/cve/CVE-2021-30749"
},
{
"type": "REPORT",
"url": "https://vulners.com/cve/CVE-2021-30758"
},
{
"type": "REPORT",
"url": "https://vulners.com/cve/CVE-2021-30795"
},
{
"type": "REPORT",
"url": "https://vulners.com/cve/CVE-2021-30797"
},
{
"type": "REPORT",
"url": "https://vulners.com/cve/CVE-2021-30799"
}
],
"related": [
"CVE-2020-13558",
"CVE-2020-24870",
"CVE-2020-27918",
"CVE-2020-29623",
"CVE-2020-36241",
"CVE-2021-1765",
"CVE-2021-1788",
"CVE-2021-1789",
"CVE-2021-1799",
"CVE-2021-1801",
"CVE-2021-1844",
"CVE-2021-1870",
"CVE-2021-1871",
"CVE-2021-21775",
"CVE-2021-21779",
"CVE-2021-21806",
"CVE-2021-28650",
"CVE-2021-30663",
"CVE-2021-30665",
"CVE-2021-30682",
"CVE-2021-30689",
"CVE-2021-30720",
"CVE-2021-30734",
"CVE-2021-30744",
"CVE-2021-30749",
"CVE-2021-30758",
"CVE-2021-30795",
"CVE-2021-30797",
"CVE-2021-30799"
],
"schema_version": "1.7.0",
"summary": "Moderate: GNOME security, bug fix, and enhancement update",
"upstream": [
"CVE-2020-13558",
"CVE-2020-24870",
"CVE-2020-27918",
"CVE-2020-29623",
"CVE-2020-36241",
"CVE-2021-1765",
"CVE-2021-1788",
"CVE-2021-1789",
"CVE-2021-1799",
"CVE-2021-1801",
"CVE-2021-1844",
"CVE-2021-1870",
"CVE-2021-1871",
"CVE-2021-21775",
"CVE-2021-21779",
"CVE-2021-21806",
"CVE-2021-28650",
"CVE-2021-30663",
"CVE-2021-30665",
"CVE-2021-30682",
"CVE-2021-30689",
"CVE-2021-30720",
"CVE-2021-30734",
"CVE-2021-30744",
"CVE-2021-30749",
"CVE-2021-30758",
"CVE-2021-30795",
"CVE-2021-30797",
"CVE-2021-30799"
]
}
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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.