MediumFix available
ffmpeg, libav — security advisory
A flaw was found in FFmpeg’s ALS audio decoder, where it does not properly check for memory allocation failures. This can cause the application to crash when processing certain malformed audio files. While it does not lead to data theft or system control, it can be used to disrupt services and cause a denial of service.
- Products
- ffmpeg, libav
- Affected versions
- 6:0.8.7-1ubuntu2, 6:9.10-1ubuntu1, 6:9.10-1ubuntu2, 6:9.10-1ubuntu5, 6:9.10-1ubuntu6, 6:9.10-1ubuntu7, 6:9.11-2ubuntu1, 6:9.11-2ubuntu2, 6:9.13-0ubuntu0.14.04.1, 6:9.14-0ubuntu0.14.04.1, 6:9.16-0ubuntu0.14.04.1, 6:9.18-0ubuntu0.14.04.1, 6:9.20-0ubuntu0.14.04.1, 6:9.20-0ubuntu0.14.04.1+esm1, 7:3.3.4-2, 7:3.3.4-2build3, 7:3.4-2ubuntu2, 7:3.4-4, 7:3.4-4build1, 7:3.4.1-1, 7:3.4.1-1build1, 7:3.4.11-0ubuntu0.1, 7:3.4.11-0ubuntu0.1+esm1, 7:3.4.11-0ubuntu0.1+esm10, 7:3.4.11-0ubuntu0.1+esm11, 7:3.4.11-0ubuntu0.1+esm12, 7:3.4.11-0ubuntu0.1+esm13, 7:3.4.11-0ubuntu0.1+esm14, 7:3.4.11-0ubuntu0.1+esm15, 7:3.4.11-0ubuntu0.1+esm16, 7:3.4.11-0ubuntu0.1+esm2, 7:3.4.11-0ubuntu0.1+esm3, 7:3.4.11-0ubuntu0.1+esm4, 7:3.4.11-0ubuntu0.1+esm5, 7:3.4.11-0ubuntu0.1+esm6, 7:3.4.11-0ubuntu0.1+esm7, 7:3.4.11-0ubuntu0.1+esm8, 7:3.4.11-0ubuntu0.1+esm9, 7:3.4.2-1, 7:3.4.2-1build1, 7:3.4.2-2, 7:3.4.4-0ubuntu0.18.04.1, 7:3.4.6-0ubuntu0.18.04.1, 7:3.4.8-0ubuntu0.2, 7:4.1.4-1build2, 7:4.2.1-2, 7:4.2.1-2ubuntu1, 7:4.2.2-1build1, 7:4.2.2-1ubuntu1, 7:4.2.4-1ubuntu0.1, 7:4.2.4-1ubuntu0.1+esm1, 7:4.2.7-0ubuntu0.1, 7:4.2.7-0ubuntu0.1+esm1, 7:4.2.7-0ubuntu0.1+esm10, 7:4.2.7-0ubuntu0.1+esm11, 7:4.2.7-0ubuntu0.1+esm12, 7:4.2.7-0ubuntu0.1+esm13, 7:4.2.7-0ubuntu0.1+esm14, 7:4.2.7-0ubuntu0.1+esm15, 7:4.2.7-0ubuntu0.1+esm16, 7:4.2.7-0ubuntu0.1+esm17, 7:4.2.7-0ubuntu0.1+esm18, 7:4.2.7-0ubuntu0.1+esm2, 7:4.2.7-0ubuntu0.1+esm3, 7:4.2.7-0ubuntu0.1+esm4, 7:4.2.7-0ubuntu0.1+esm5, 7:4.2.7-0ubuntu0.1+esm6, 7:4.2.7-0ubuntu0.1+esm7, 7:4.2.7-0ubuntu0.1+esm8, 7:4.2.7-0ubuntu0.1+esm9, 7:4.4-6ubuntu5, 7:4.4.1-2ubuntu1, 7:4.4.1-3ubuntu1, 7:4.4.1-3ubuntu2, 7:4.4.1-3ubuntu3, 7:4.4.1-3ubuntu5, 7:4.4.2-0ubuntu0.22.04.1, 7:6.0-6ubuntu1, 7:6.0-9ubuntu1, 7:6.1-2ubuntu1, 7:6.1-3ubuntu1, 7:6.1-4ubuntu1, 7:6.1-5ubuntu1, 7:6.1.1-1ubuntu1, 7:6.1.1-3ubuntu1, 7:6.1.1-3ubuntu5, 7:6.1.1-3ubuntu5+esm1, 7:6.1.1-3ubuntu5+esm2, 7:6.1.1-3ubuntu5+esm3, 7:6.1.1-3ubuntu5+esm4, 7:6.1.1-3ubuntu5+esm5, 7:7.1.1-1ubuntu1, 7:7.1.1-1ubuntu2, 7:7.1.1-1ubuntu3, 7:7.1.1-1ubuntu4
- Fixed versions
- 7:6.1.1-3ubuntu5+esm6, 7:7.1.1-1ubuntu4.1
- CVEs
- CVE-2025-7700
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 30 Oct 2026, 08:56 UTC · Revision 1
Source evidence
A flaw was found in FFmpeg’s ALS audio decoder, where it does not properly check for memory allocation failures. This can cause the application to crash when processing certain malformed audio files. While it does not lead to data theft or system control, it can be used to disrupt services and cause a denial of service.
osv:UBUNTU-CVE-2025-7700
libav
Fixed versions: Not specified
ffmpeg
Fixed versions: Not specified
ffmpeg
Fixed versions: Not specified
ffmpeg
Fixed versions: Not specified
ffmpeg
Fixed versions: 7:6.1.1-3ubuntu5+esm6
ffmpeg
Fixed versions: 7:7.1.1-1ubuntu4.1
Complete source record
{
"id": "02b5901dd2d9b5a5a2a93af29fafd692b523e75979235a33da25a9eb397f2887",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2025-7700",
"method": "structured",
"payload": {
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"title": "UBUNTU-CVE-2025-7700",
"summary": "A flaw was found in FFmpeg’s ALS audio decoder, where it does not properly check for memory allocation failures. This can cause the application to crash when processing certain malformed audio files. While it does not lead to data theft or system control, it can be used to disrupt services and cause a denial of service.",
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],
"severity": "medium",
"structured": {
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"aliases": [
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],
"metrics": [
{
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"database_specific": {
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},
"ecosystem_specific": {
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{
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{
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}
},
{
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}
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}
],
"package": {
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},
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"7:3.4.11-0ubuntu0.1+esm9",
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],
"modified": "2026-10-13T02:51:38.258803145Z",
"provider": "osv",
"upstream": [
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],
"references": [
"https://ubuntu.com/security/CVE-2025-7700",
"https://www.cve.org/CVERecord?id=CVE-2025-7700",
"https://git.ffmpeg.org/gitweb/ffmpeg.git/commitdiff/35a6de137a39f274d5e01ed0e0e6c4f04d0aaf07",
"https://ubuntu.com/security/notices/USN-7830-1",
"https://ubuntu.com/security/notices/USN-7871-1"
]
},
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{
"value": "CVE-2025-7700",
"evidence": "/upstream"
}
],
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"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 307155,
"published_at": "2025-07-18T00:00:00+00:00"
}