CVE-2026-2921 (GCVE-0-2026-2921)
Vulnerability from cvelistv5 – Published: 2026-03-13 20:41 – Updated: 2026-07-21 12:04
VLAI
EPSS
VEX
Title
GStreamer RIFF Palette Integer Overflow Remote Code Execution Vulnerability
Summary
GStreamer RIFF Palette Integer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GStreamer. Interaction with this library is required to exploit this vulnerability but attack vectors may vary depending on the implementation.
The specific flaw exists within the handling of palette data in AVI files. The issue results from the lack of proper validation of user-supplied data, which can result in an integer overflow before writing to memory. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-28854.
Severity
7.8 (High)
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-17 00:00 UTC
CWE
- CWE-190 - Integer Overflow or Wraparound
Assigner
References
22 references
Impacted products
35 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| GStreamer | GStreamer |
Affected:
1c6e163aa33962f5ee4a87d29319ccdd5cb67612
|
guessed | |
| Red Hat | Red Hat Enterprise Linux 10 |
Unaffected:
0:1.24.11-3.el10_1 , < *
(rpm)
Unaffected: 0:1.26.7-2.el10_2 , < * (rpm) cpe:/o:redhat:enterprise_linux:10.1 cpe:/o:redhat:enterprise_linux:10.2 |
||
| Red Hat | Red Hat Enterprise Linux 10 |
Unaffected:
0:1.24.11-2.el10_1 , < *
(rpm)
Unaffected: 0:1.26.7-2.el10_2 , < * (rpm) cpe:/o:redhat:enterprise_linux:10.1 cpe:/o:redhat:enterprise_linux:10.2 |
||
| Red Hat | Red Hat Enterprise Linux 10.0 Extended Update Support |
Unaffected:
0:1.24.11-3.el10_0 , < *
(rpm)
cpe:/o:redhat:enterprise_linux_eus:10.0 |
||
| Red Hat | Red Hat Enterprise Linux 10.0 Extended Update Support |
Unaffected:
0:1.24.11-1.el10_0.1 , < *
(rpm)
cpe:/o:redhat:enterprise_linux_eus:10.0 |
||
| Red Hat | Red Hat Enterprise Linux 10.0 Extended Update Support |
Unaffected:
0:1.24.11-1.el10_0.2 , < *
(rpm)
cpe:/o:redhat:enterprise_linux_eus:10.0 |
||
| Red Hat | Red Hat Enterprise Linux 7 Extended Lifecycle Support |
Unaffected:
0:1.10.4-5.el7_9 , < *
(rpm)
cpe:/o:redhat:rhel_els:7 |
||
| Red Hat | Red Hat Enterprise Linux 7 Extended Lifecycle Support |
Unaffected:
0:1.10.4-4.el7_9 , < *
(rpm)
cpe:/o:redhat:rhel_els:7 |
||
| Red Hat | Red Hat Enterprise Linux 7 Extended Lifecycle Support |
Unaffected:
0:0.10.36-11.el7_9 , < *
(rpm)
cpe:/o:redhat:rhel_els:7 |
||
| Red Hat | Red Hat Enterprise Linux 7 Extended Lifecycle Support |
Unaffected:
0:0.10.31-14.el7_9 , < *
(rpm)
cpe:/o:redhat:rhel_els:7 |
||
| Red Hat | Red Hat Enterprise Linux 8 |
Unaffected:
0:1.16.1-6.el8_10 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:8 |
||
| Red Hat | Red Hat Enterprise Linux 8.2 Advanced Update Support |
Unaffected:
0:1.16.1-4.el8_2 , < *
(rpm)
cpe:/a:redhat:rhel_aus:8.2 |
||
| Red Hat | Red Hat Enterprise Linux 8.2 Advanced Update Support |
Unaffected:
0:1.16.1-3.el8_2 , < *
(rpm)
cpe:/a:redhat:rhel_aus:8.2 |
||
| Red Hat | Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support |
Unaffected:
0:1.16.1-4.el8_4 , < *
(rpm)
cpe:/a:redhat:rhel_aus:8.4 |
||
| Red Hat | Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On |
Unaffected:
0:1.16.1-4.el8_4 , < *
(rpm)
cpe:/a:redhat:rhel_eus_long_life:8.4 |
||
| Red Hat | Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support |
Unaffected:
0:1.16.1-4.el8_6 , < *
(rpm)
cpe:/a:redhat:rhel_aus:8.6 |
||
| Red Hat | Red Hat Enterprise Linux 8.6 Telecommunications Update Service |
Unaffected:
0:1.16.1-4.el8_6 , < *
(rpm)
cpe:/a:redhat:rhel_tus:8.6 |
||
| Red Hat | Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions |
Unaffected:
0:1.16.1-4.el8_6 , < *
(rpm)
cpe:/a:redhat:rhel_e4s:8.6 |
||
| Red Hat | Red Hat Enterprise Linux 8.8 Telecommunications Update Service |
Unaffected:
0:1.16.1-4.el8_8 , < *
(rpm)
cpe:/a:redhat:rhel_tus:8.8 |
||
| Red Hat | Red Hat Enterprise Linux 8.8 Telecommunications Update Service |
Unaffected:
0:1.16.1-5.el8_8 , < *
(rpm)
cpe:/a:redhat:rhel_tus:8.8 |
||
| Red Hat | Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions |
Unaffected:
0:1.16.1-4.el8_8 , < *
(rpm)
cpe:/a:redhat:rhel_e4s:8.8 |
||
| Red Hat | Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions |
Unaffected:
0:1.16.1-5.el8_8 , < *
(rpm)
cpe:/a:redhat:rhel_e4s:8.8 |
||
| Red Hat | Red Hat Enterprise Linux 9 |
Unaffected:
0:1.22.12-5.el9_7 , < *
(rpm)
Unaffected: 0:1.22.12-7.el9_8 , < * (rpm) cpe:/a:redhat:enterprise_linux:9 |
||
| Red Hat | Red Hat Enterprise Linux 9 |
Unaffected:
0:1.22.12-5.el9_7 , < *
(rpm)
Unaffected: 0:1.22.12-8.el9_8 , < * (rpm) cpe:/a:redhat:enterprise_linux:9 |
||
| Red Hat | Red Hat Enterprise Linux 9 |
Unaffected:
0:1.22.12-4.el9_7 , < *
(rpm)
Unaffected: 0:1.22.12-6.el9_8 , < * (rpm) cpe:/a:redhat:enterprise_linux:9 |
||
| Red Hat | Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions |
Unaffected:
0:1.18.4-8.el9_0 , < *
(rpm)
cpe:/a:redhat:rhel_e4s:9.0 |
||
| Red Hat | Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions |
Unaffected:
0:1.18.4-7.el9_0 , < *
(rpm)
cpe:/a:redhat:rhel_e4s:9.0 |
||
| Red Hat | Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions |
Unaffected:
0:1.18.4-9.el9_2 , < *
(rpm)
cpe:/a:redhat:rhel_e4s:9.2 |
||
| Red Hat | Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions |
Unaffected:
0:1.18.4-8.el9_2 , < *
(rpm)
cpe:/a:redhat:rhel_e4s:9.2 |
||
| Red Hat | Red Hat Enterprise Linux 9.4 Extended Update Support |
Unaffected:
0:1.22.1-6.el9_4 , < *
(rpm)
cpe:/a:redhat:rhel_eus:9.4 |
||
| Red Hat | Red Hat Enterprise Linux 9.4 Extended Update Support |
Unaffected:
0:1.22.1-4.el9_4 , < *
(rpm)
cpe:/a:redhat:rhel_eus:9.4 |
||
| Red Hat | Red Hat Enterprise Linux 9.6 Extended Update Support |
Unaffected:
0:1.22.12-5.el9_6 , < *
(rpm)
cpe:/a:redhat:rhel_eus:9.6 |
||
| Red Hat | Red Hat Enterprise Linux 9.6 Extended Update Support |
Unaffected:
0:1.22.12-4.el9_6 , < *
(rpm)
cpe:/a:redhat:rhel_eus:9.6 |
||
| Red Hat | Red Hat Enterprise Linux 6 |
cpe:/o:redhat:enterprise_linux:6
|
||
| Red Hat | Red Hat Enterprise Linux 8 |
cpe:/o:redhat:enterprise_linux:8
|
Date Public
2026-03-06 21:21
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"value": "RHSA-2026:9447: Red Hat Enterprise Linux AppStream AUS (v.8.6), Red Hat Enterprise Linux AppStream E4S (v.8.6), Red Hat Enterprise Linux AppStream TUS (v.8.6)"
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{
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"value": "RHSA-2026:9488: Red Hat Enterprise Linux AppStream E4S (v.8.8), Red Hat Enterprise Linux AppStream TUS (v.8.8)"
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{
"lang": "en",
"value": "RHSA-2026:8876: Red Hat Enterprise Linux AppStream E4S (v.9.0)"
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{
"lang": "en",
"value": "RHSA-2026:8874: Red Hat Enterprise Linux AppStream E4S (v.9.2)"
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{
"lang": "en",
"value": "RHSA-2026:8857: Red Hat CodeReady Linux Builder EUS (v.9.4), Red Hat Enterprise Linux AppStream EUS (v.9.4)"
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{
"lang": "en",
"value": "RHSA-2026:8862: Red Hat CodeReady Linux Builder EUS (v.9.6), Red Hat Enterprise Linux AppStream EUS (v.9.6)"
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{
"lang": "en",
"value": "RHSA-2026:6300: Red Hat Enterprise Linux AppStream (v. 9), Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)"
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{
"lang": "en",
"value": "RHSA-2026:19180: Red Hat Enterprise Linux AppStream (v. 9), Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)"
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"time": "2026-03-13T21:02:05.060Z",
"value": "Reported to Red Hat."
},
{
"lang": "en",
"time": "2026-03-13T20:41:50.780Z",
"value": "Made public."
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"title": "gstreamer-plugins-base: GStreamer: Arbitrary code execution via RIFF palette integer overflow in AVI file handling",
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{
"lang": "en",
"value": "To mitigate this issue, avoid processing untrusted AVI media files with applications that use the GStreamer library. Users should exercise caution when opening or playing AVI files from unknown or suspicious sources."
}
],
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"datePublic": "2026-03-06T21:21:19.344Z",
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"value": "GStreamer RIFF Palette Integer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GStreamer. Interaction with this library is required to exploit this vulnerability but attack vectors may vary depending on the implementation.\n\nThe specific flaw exists within the handling of palette data in AVI files. The issue results from the lack of proper validation of user-supplied data, which can result in an integer overflow before writing to memory. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-28854."
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"tags": [
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"url": "https://www.zerodayinitiative.com/advisories/ZDI-26-168/"
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"url": "https://gitlab.freedesktop.org/gstreamer/gstreamer/-/commit/e3a99c35266fc92dd6a18ac5fde028d0cda559e6"
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"title": "GStreamer RIFF Palette Integer Overflow Remote Code Execution Vulnerability"
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"title": "gstreamer-plugins-base: GStreamer: Arbitrary code execution via RIFF palette integer overflow in AVI file handling",
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\"https://access.redhat.com/errata/RHSA-2026:19180\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}], \"workarounds\": [{\"lang\": \"en\", \"value\": \"To mitigate this issue, avoid processing untrusted AVI media files with applications that use the GStreamer library. Users should exercise caution when opening or playing AVI files from unknown or suspicious sources.\"}], \"x_generator\": {\"engine\": \"sadp-cli 1.0.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"A flaw was found in GStreamer. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GStreamer. The flaw exists within the handling of palette data in AVI files, where a lack of proper validation of user-supplied data can lead to an integer overflow before writing to memory. An attacker can leverage this integer overflow to execute code in the context of the current process.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-190\", \"description\": \"Integer Overflow or Wraparound\"}]}], \"providerMetadata\": {\"orgId\": \"0b0ca135-0b70-47e7-9f44-1890c2a1c46c\", \"shortName\": \"redhat-SADP\", \"dateUpdated\": \"2026-07-21T12:04:57.572Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-2921\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-03-16T15:26:01.092634Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-03-16T15:31:49.511Z\"}}], \"cna\": {\"title\": \"GStreamer RIFF Palette Integer Overflow Remote Code Execution Vulnerability\", \"source\": {\"lang\": \"en\", \"value\": \"Anonymous\"}, \"metrics\": [{\"format\": \"CVSS\", \"cvssV3_0\": {\"version\": \"3.0\", \"baseScore\": 7.8, \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H\"}}], \"affected\": [{\"vendor\": \"GStreamer\", \"product\": \"GStreamer\", \"versions\": [{\"status\": \"affected\", \"version\": \"1c6e163aa33962f5ee4a87d29319ccdd5cb67612\"}], \"defaultStatus\": \"unknown\"}], \"datePublic\": \"2026-03-06T21:21:19.344Z\", \"references\": [{\"url\": \"https://www.zerodayinitiative.com/advisories/ZDI-26-168/\", \"name\": \"ZDI-26-168\", \"tags\": [\"x_research-advisory\"]}, {\"url\": \"https://gitlab.freedesktop.org/gstreamer/gstreamer/-/commit/e3a99c35266fc92dd6a18ac5fde028d0cda559e6\", \"name\": \"vendor-provided URL\", \"tags\": [\"vendor-advisory\"]}], \"dateAssigned\": \"2026-02-20T22:26:53.782Z\", \"descriptions\": [{\"lang\": \"en\", \"value\": \"GStreamer RIFF Palette Integer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GStreamer. Interaction with this library is required to exploit this vulnerability but attack vectors may vary depending on the implementation.\\n\\nThe specific flaw exists within the handling of palette data in AVI files. The issue results from the lack of proper validation of user-supplied data, which can result in an integer overflow before writing to memory. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-28854.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-190\", \"description\": \"CWE-190: Integer Overflow or Wraparound\"}]}], \"providerMetadata\": {\"orgId\": \"99f1926a-a320-47d8-bbb5-42feb611262e\", \"shortName\": \"zdi\", \"dateUpdated\": \"2026-03-13T20:41:50.780Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2026-2921\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-07-21T12:04:57.572Z\", \"dateReserved\": \"2026-02-20T22:26:53.743Z\", \"assignerOrgId\": \"99f1926a-a320-47d8-bbb5-42feb611262e\", \"datePublished\": \"2026-03-13T20:41:50.780Z\", \"assignerShortName\": \"zdi\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
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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.
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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.
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.
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