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CVE-2026-30997

An out-of-bounds read in the read_global_param() function (libavcodec/av1dec.c) of FFmpeg v8.0.1...

7.5 HighFix available

An out-of-bounds read in the read_global_param() function (libavcodec/av1dec.c) of FFmpeg v8.0.1 allows attackers to cause a Denial of Service (DoS) via a crafted input.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

0.34%Up 0.3 points since Apr 14, 2026
90%50%10%1%

What each source reports

CVE List Score used 7.5

An out-of-bounds read in the read_global_param() function (libavcodec/av1dec.c) of FFmpeg v8.0.1 allows attackers to cause a Denial of Service (DoS) via a crafted input.

Record
CVE-2026-30997
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-125
Updated
2026-11-02
EUVDEUVD-2026-21972 7.5

An out-of-bounds read in the read_global_param() function (libavcodec/av1dec.c) of FFmpeg v8.0.1 allows attackers to cause a Denial of Service (DoS) via a crafted input.

Record
EUVD-2026-21972
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
GitHub AdvisoriesGHSA-rg96-8jmp-9mwc 7.5

An out-of-bounds read in the read_global_param() function (libavcodec/av1dec.c) of FFmpeg v8.0.1...

An out-of-bounds read in the read_global_param() function (libavcodec/av1dec.c) of FFmpeg v8.0.1 allows attackers to cause a Denial of Service (DoS) via a crafted input.

Record
GHSA-rg96-8jmp-9mwc
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-125
Updated
2026-11-02
NVD 7.5

An out-of-bounds read in the read_global_param() function (libavcodec/av1dec.c) of FFmpeg v8.0.1 allows attackers to cause a Denial of Service (DoS) via a crafted input.

Record
CVE-2026-30997
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-125
Updated
2026-11-02
OSV 7.5

An out-of-bounds read in the read_global_param() function (libavcodec/av1dec.c) of FFmpeg v8.0.1 allows attackers to cause a Denial of Service (DoS) via a crafted input.

Record
CVE-2026-30997
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-07
OSVDEBIAN-CVE-2026-30997 7.5

An out-of-bounds read in the read_global_param() function (libavcodec/av1dec.c) of FFmpeg v8.0.1 allows attackers to cause a Denial of Service (DoS) via a crafted input.

Record
DEBIAN-CVE-2026-30997
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
Show 14 moreShow less
OSVJLSEC-2026-649 7.5

An out-of-bounds read in the read_global_param() function (libavcodec/av1dec.c) of FFmpeg v8.0.1 allows attackers to cause a Denial of Service (DoS) via a crafted input.

Record
JLSEC-2026-649
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVOESA-2026-2315 7.5

ffmpeg security update

FFmpeg is a complete and free Internet live audio and video broadcasting solution for Linux/Unix. It also includes a digital VCR. It can encode in real time in many formats including MPEG1 audio and video, MPEG4, h263, ac3, asf, avi, real, mjpeg, and flash.

Security Fix(es):

An out-of-bounds read in the read_global_param() function (libavcodec/av1dec.c) of FFmpeg v8.0.1 allows attackers to cause a Denial of Service (DoS) via a crafted input.(CVE-2026-30997)

Record
OESA-2026-2315
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVOESA-2026-2928 9.8

ffmpeg security update

FFmpeg is a complete and free Internet live audio and video broadcasting solution for Linux/Unix. It also includes a digital VCR. It can encode in real time in many formats including MPEG1 audio and video, MPEG4, h263, ac3, asf, avi, real, mjpeg, and flash.

Security Fix(es):

An out-of-bounds read in the read_global_param() function (libavcodec/av1dec.c) of FFmpeg v8.0.1 allows attackers to cause a Denial of Service (DoS) via a crafted input.(CVE-2026-30997)

FFmpeg before 8.1 has an integer overflow and resultant out-of-bounds write via CENC (Common Encryption) subsample data to libavformat/mov.c.(CVE-2026-40962)

Record
OESA-2026-2928
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2026-30997 7.5

An out-of-bounds read in the read_global_param() function (libavcodec/av1dec.c) of FFmpeg v8.0.1 allows attackers to cause a Denial of Service (DoS) via a crafted input.

Record
UBUNTU-CVE-2026-30997
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVMGASA-2026-0153 No score

Updated ffmpeg packages fix security vulnerabilities

An out-of-bounds read in the read_global_param() function (libavcodec/av1dec.c) of FFmpeg v8.0.1 allows attackers to cause a Denial of Service (DoS) via a crafted input. (CVE-2026-30997) FFmpeg before 8.1 has an integer overflow and resultant out-of-bounds write via CENC (Common Encryption) subsample data to libavformat/mov.c. (CVE-2026-40962)

Record
MGASA-2026-0153
Updated
2026-11-02
OSVopenSUSE-SU-2026:10890-1 No score

ffmpeg-8-8.1.1-3.1 on GA media

These are all security issues fixed in the ffmpeg-8-8.1.1-3.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2026:10890-1
Updated
2026-11-02
OSVopenSUSE-SU-2026:10931-1 No score

ffmpeg-4-4.4.7-3.1 on GA media

These are all security issues fixed in the ffmpeg-4-4.4.7-3.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2026:10931-1
Updated
2026-11-02
OSVopenSUSE-SU-2026:11009-1 No score

ffmpeg-7-7.1.4-3.1 on GA media

These are all security issues fixed in the ffmpeg-7-7.1.4-3.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2026:11009-1
Updated
2026-11-02
OSVopenSUSE-SU-2026:11515-1 No score

ffmpeg-9-libavcodec-devel-9.0.1-1.1 on GA media

These are all security issues fixed in the ffmpeg-9-libavcodec-devel-9.0.1-1.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2026:11515-1
Updated
2026-11-02
OSVopenSUSE-SU-2026:20914-1 No score

Security update for ffmpeg-4

This update for ffmpeg-4 fixes the following issues:

Changes in ffmpeg-4:

  • CVE-2026-30997: avcodec/av1dec: check that primary_ref_frame is within range (bsc#1262047)
Record
openSUSE-SU-2026:20914-1
Updated
2026-11-02
OSVopenSUSE-SU-2026:21258-1 No score

Security update for ffmpeg-7

This update for ffmpeg-7 fixes the following issue:

  • CVE-2026-30997: out-of-bounds read in the read_global_param() function allows for a DoS via crafted input (bsc#1262047).
Record
openSUSE-SU-2026:21258-1
Updated
2026-11-02
OSVSUSE-SU-2026:22573-1 No score

Security update for ffmpeg-7

This update for ffmpeg-7 fixes the following issue:

  • CVE-2026-30997: out-of-bounds read in the read_global_param() function allows for a DoS via crafted input (bsc#1262047).
Record
SUSE-SU-2026:22573-1
Updated
2026-11-02
OSVSUSE-SU-2026:2444-1 No score

Security update for ffmpeg-4

This update for ffmpeg-4 fixes the following issues

Update to version 4.4.7:

  • CVE-2023-6601: HLS Unsafe File Extension Bypass (bsc#1220545).
  • CVE-2024-35366: FFmpeg n6.1.1 is Integer Overflow. The vulnerability exists in the parse_options function of sbgdec.c within the libavformat module. When parsing certain options, the software does not adequately validate the i (bsc#1234030).
  • CVE-2025-1594: stack-based buffer overflow in function ff_aac_search_for_tns of the file libavcodec/aacenc_tns.c of the component AAC Encoder (bsc#1237561).
  • CVE-2025-9951: heap-based buffer overflow in jpeg2000dec (bsc#1249393).
  • CVE-2025-10256: NULL pointer dereference in Firequalizer filter (bsc#1249431).
  • CVE-2025-63757: accumulation of filtered pixel values can lead to an integer overflow (bsc#1255392).
  • CVE-2026-30997: Denial of Service via out-of-bounds read (bsc#1262047).
  • CVE-2026-40962: inadequate CENC subsample bounds checks can lead to an integer overflow (bsc#1262237).
Record
SUSE-SU-2026:2444-1
Updated
2026-11-02
OSVSUSE-SU-2026:2445-1 No score

Security update for ffmpeg-4

This update for ffmpeg-4 fixes the following issues

Update to version 4.4.7:

  • CVE-2023-6601: HLS Unsafe File Extension Bypass (bsc#1220545).
  • CVE-2024-35366: FFmpeg n6.1.1 is Integer Overflow. The vulnerability exists in the parse_options function of sbgdec.c within the libavformat module. When parsing certain options, the software does not adequately validate the i (bsc#1234030).
  • CVE-2025-1594: stack-based buffer overflow in function ff_aac_search_for_tns of the file libavcodec/aacenc_tns.c of the component AAC Encoder (bsc#1237561).
  • CVE-2025-9951: heap-based buffer overflow in jpeg2000dec (bsc#1249393).
  • CVE-2025-10256: NULL pointer dereference in Firequalizer filter (bsc#1249431).
  • CVE-2025-63757: accumulation of filtered pixel values can lead to an integer overflow (bsc#1255392).
  • CVE-2026-30997: Denial of Service via out-of-bounds read (bsc#1262047).
  • CVE-2026-40962: inadequate CENC subsample bounds checks can lead to an integer overflow (bsc#1262237).
Record
SUSE-SU-2026:2445-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
ffmpeg
Debian:12
before 7:5.1.9-0+deb12u1, plus listed versions
7:5.1.3-17:5.1.3-27:5.1.4-0+deb12u17:5.1.5-0+deb12u17:5.1.6-0+deb12u17:5.1.7-0+deb12u17:5.1.8-0+deb12u1
7:5.1.9-0+deb12u1
ffmpeg
Debian:13
before 7:7.1.5-0+deb13u1, plus listed versions
7:7.1.1-17:7.1.2-0+deb13u17:7.1.2-17:7.1.3-0+deb13u17:7.1.3-17:7.1.4-0+deb13u1
7:7.1.5-0+deb13u1
ffmpeg
Debian:14
before 7:8.1.1-1, plus listed versions
7:7.1.1-17:7.1.2-17:7.1.3-17:8.0-17:8.0-2
Show 6 moreShow less
7:8.0.1-17:8.0.1-27:8.0.1-37:8.1-17:8.1-27:8.1-3
7:8.1.1-1
FFMPEG_jll
Julia
before 8.1.0+0
8.1.0+0
FFMPEG_nogpl_jll
Julia
before 8.1.0+0
8.1.0+0
FFplay_jll
Julia
before 8.1.2+0
8.1.2+0
ffmpeg
Mageia:9
From an advisory covering 2 CVEs
before 5.1.9-1.mga9
5.1.9-1.mga9
ffmpeg
Mageia:9
From an advisory covering 2 CVEs
before 5.1.9-1.mga9.tainted
5.1.9-1.mga9.tainted
ffmpeg
openEuler:24.03-LTS-SP3
before 6.1.1-27.oe2403sp3
6.1.1-27.oe2403sp3
ffmpeg
openEuler:24.03-LTS-SP1
From an advisory covering 2 CVEs
before 6.1.1-33.oe2403sp1
6.1.1-33.oe2403sp1
Show 22 moreShow less
Affected packages
PackageAffectedFixed
ffmpeg-7
SUSE:Linux Enterprise Server 16.0
before 7.1.4-160000.2.1
7.1.4-160000.2.1
ffmpeg-7
SUSE:Linux Enterprise Server for SAP applications 16.0
before 7.1.4-160000.2.1
7.1.4-160000.2.1
ffmpeg-4
SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS
From an advisory covering 11 CVEs
before 4.4.7-150400.3.67.1
4.4.7-150400.3.67.1
ffmpeg-4
SUSE:Linux Enterprise High Performance Computing 15 SP4-LTSS
From an advisory covering 11 CVEs
before 4.4.7-150400.3.67.1
4.4.7-150400.3.67.1
ffmpeg-4
SUSE:Linux Enterprise Server 15 SP4-LTSS
From an advisory covering 11 CVEs
before 4.4.7-150400.3.67.1
4.4.7-150400.3.67.1
ffmpeg-4
SUSE:Linux Enterprise Server for SAP Applications 15 SP4
From an advisory covering 11 CVEs
before 4.4.7-150400.3.67.1
4.4.7-150400.3.67.1
ffmpeg-4
SUSE:Linux Enterprise Module for Package Hub 15 SP7
From an advisory covering 11 CVEs
before 4.4.7-150600.13.47.1
4.4.7-150600.13.47.1
ffmpeg-4
SUSE:Linux Enterprise Workstation Extension 15 SP7
From an advisory covering 11 CVEs
before 4.4.7-150600.13.47.1
4.4.7-150600.13.47.1
libav
Ubuntu:Pro:14.04:LTS
All versions, plus listed versions
6:0.8.7-1ubuntu26:9.10-1ubuntu16:9.10-1ubuntu26:9.10-1ubuntu56:9.10-1ubuntu6
Show 9 moreShow less
6:9.10-1ubuntu76:9.11-2ubuntu16:9.11-2ubuntu26:9.13-0ubuntu0.14.04.16:9.14-0ubuntu0.14.04.16:9.16-0ubuntu0.14.04.16:9.18-0ubuntu0.14.04.16:9.20-0ubuntu0.14.04.16:9.20-0ubuntu0.14.04.1+esm1
None known
ffmpeg
Ubuntu:Pro:16.04:LTS
All versions, plus listed versions
7:2.7.2-1build17:2.8.1-1ubuntu17:2.8.2-1ubuntu17:2.8.3-17:2.8.4-1
Show 31 moreShow less
7:2.8.4-1ubuntu17:2.8.4-1ubuntu27:2.8.4-1ubuntu37:2.8.4-1ubuntu47:2.8.6-1ubuntu17:2.8.6-1ubuntu27:2.8.8-0ubuntu0.16.04.17:2.8.10-0ubuntu0.16.04.17:2.8.11-0ubuntu0.16.04.17:2.8.14-0ubuntu0.16.04.17:2.8.15-0ubuntu0.16.04.17:2.8.15-0ubuntu0.16.04.1+esm17:2.8.17-0ubuntu0.17:2.8.17-0ubuntu0.1+esm17:2.8.17-0ubuntu0.1+esm27:2.8.17-0ubuntu0.1+esm37:2.8.17-0ubuntu0.1+esm47:2.8.17-0ubuntu0.1+esm57:2.8.17-0ubuntu0.1+esm67:2.8.17-0ubuntu0.1+esm77:2.8.17-0ubuntu0.1+esm87:2.8.17-0ubuntu0.1+esm97:2.8.17-0ubuntu0.1+esm107:2.8.17-0ubuntu0.1+esm117:2.8.17-0ubuntu0.1+esm127:2.8.17-0ubuntu0.1+esm137:2.8.17-0ubuntu0.1+esm147:2.8.17-0ubuntu0.1+esm157:2.8.17-0ubuntu0.1+esm167:2.8.17-0ubuntu0.1+esm177:2.8.17-0ubuntu0.1+esm18
None known
ffmpeg
Ubuntu:Pro:18.04:LTS
All versions, plus listed versions
7:3.3.4-27:3.3.4-2build37:3.4-2ubuntu27:3.4-47:3.4-4build1
Show 25 moreShow less
7:3.4.1-17:3.4.1-1build17:3.4.2-17:3.4.2-1build17:3.4.2-27:3.4.4-0ubuntu0.18.04.17:3.4.6-0ubuntu0.18.04.17:3.4.8-0ubuntu0.27:3.4.11-0ubuntu0.17:3.4.11-0ubuntu0.1+esm17:3.4.11-0ubuntu0.1+esm27:3.4.11-0ubuntu0.1+esm37:3.4.11-0ubuntu0.1+esm47:3.4.11-0ubuntu0.1+esm57:3.4.11-0ubuntu0.1+esm67:3.4.11-0ubuntu0.1+esm77:3.4.11-0ubuntu0.1+esm87:3.4.11-0ubuntu0.1+esm97:3.4.11-0ubuntu0.1+esm107:3.4.11-0ubuntu0.1+esm117:3.4.11-0ubuntu0.1+esm127:3.4.11-0ubuntu0.1+esm137:3.4.11-0ubuntu0.1+esm147:3.4.11-0ubuntu0.1+esm157:3.4.11-0ubuntu0.1+esm16
None known
ffmpeg
Ubuntu:Pro:20.04:LTS
All versions, plus listed versions
7:4.1.4-1build27:4.2.1-27:4.2.1-2ubuntu17:4.2.2-1build17:4.2.2-1ubuntu1
Show 21 moreShow less
7:4.2.4-1ubuntu0.17:4.2.4-1ubuntu0.1+esm17:4.2.7-0ubuntu0.17:4.2.7-0ubuntu0.1+esm17:4.2.7-0ubuntu0.1+esm27:4.2.7-0ubuntu0.1+esm37:4.2.7-0ubuntu0.1+esm47:4.2.7-0ubuntu0.1+esm57:4.2.7-0ubuntu0.1+esm67:4.2.7-0ubuntu0.1+esm77:4.2.7-0ubuntu0.1+esm87:4.2.7-0ubuntu0.1+esm97:4.2.7-0ubuntu0.1+esm107:4.2.7-0ubuntu0.1+esm117:4.2.7-0ubuntu0.1+esm127:4.2.7-0ubuntu0.1+esm137:4.2.7-0ubuntu0.1+esm147:4.2.7-0ubuntu0.1+esm157:4.2.7-0ubuntu0.1+esm167:4.2.7-0ubuntu0.1+esm177:4.2.7-0ubuntu0.1+esm18
None known
ffmpeg
Ubuntu:Pro:22.04:LTS
All versions, plus listed versions
7:4.4-6ubuntu57:4.4.1-2ubuntu17:4.4.1-3ubuntu17:4.4.1-3ubuntu27:4.4.1-3ubuntu3
Show 19 moreShow less
7:4.4.1-3ubuntu57:4.4.2-0ubuntu0.22.04.17:4.4.2-0ubuntu0.22.04.1+esm17:4.4.2-0ubuntu0.22.04.1+esm27:4.4.2-0ubuntu0.22.04.1+esm37:4.4.2-0ubuntu0.22.04.1+esm47:4.4.2-0ubuntu0.22.04.1+esm57:4.4.2-0ubuntu0.22.04.1+esm67:4.4.2-0ubuntu0.22.04.1+esm77:4.4.2-0ubuntu0.22.04.1+esm87:4.4.2-0ubuntu0.22.04.1+esm97:4.4.2-0ubuntu0.22.04.1+esm107:4.4.2-0ubuntu0.22.04.1+esm117:4.4.2-0ubuntu0.22.04.1+esm127:4.4.2-0ubuntu0.22.04.1+esm137:4.4.2-0ubuntu0.22.04.1+esm147:4.4.2-0ubuntu0.22.04.1+esm157:4.4.2-0ubuntu0.22.04.1+esm167:4.4.2-0ubuntu0.22.04.1+esm17
None known
ffmpeg
Ubuntu:Pro:24.04:LTS
All versions, plus listed versions
7:6.0-6ubuntu17:6.0-9ubuntu17:6.1-2ubuntu17:6.1-3ubuntu17:6.1-4ubuntu1
Show 17 moreShow less
7:6.1-5ubuntu17:6.1.1-1ubuntu17:6.1.1-3ubuntu17:6.1.1-3ubuntu57:6.1.1-3ubuntu5+esm17:6.1.1-3ubuntu5+esm27:6.1.1-3ubuntu5+esm37:6.1.1-3ubuntu5+esm47:6.1.1-3ubuntu5+esm57:6.1.1-3ubuntu5+esm67:6.1.1-3ubuntu5+esm77:6.1.1-3ubuntu5+esm87:6.1.1-3ubuntu5+esm107:6.1.1-3ubuntu5+esm117:6.1.1-3ubuntu5+esm127:6.1.1-3ubuntu5+esm137:6.1.1-3ubuntu5+esm15
None known
ffmpeg
Ubuntu:25.10
All versions, plus listed versions
7:7.1.1-1ubuntu17:7.1.1-1ubuntu27:7.1.1-1ubuntu37:7.1.1-1ubuntu47:7.1.1-1ubuntu4.17:7.1.1-1ubuntu4.2
None known
ffmpeg
Ubuntu:26.10
All versions, plus listed versions
7:8.0.1-3ubuntu27:8.1-3ubuntu37:8.1.2-2ubuntu2
None known
ffmpeg
Ubuntu:Pro:26.04:LTS
All versions, plus listed versions
7:7.1.1-1ubuntu47:7.1.2-1ubuntu37:7.1.2-1ubuntu47:7.1.3-1ubuntu17:8.0.1-2ubuntu1
Show 6 moreShow less
7:8.0.1-3ubuntu17:8.0.1-3ubuntu27:8.0.1-3ubuntu2+esm17:8.0.1-3ubuntu2+esm37:8.0.1-3ubuntu2+esm47:8.0.1-3ubuntu2+esm5
None known
ffmpeg-8
openSUSE:Tumbleweed
From an advisory covering 4 CVEs
before 8.1.1-3.1
8.1.1-3.1
ffmpeg-4
openSUSE:Tumbleweed
before 4.4.7-3.1
4.4.7-3.1
ffmpeg-7
openSUSE:Tumbleweed
before 7.1.4-3.1
7.1.4-3.1
ffmpeg-9
openSUSE:Tumbleweed
From an advisory covering 6 CVEs
before 9.0.1-1.1
9.0.1-1.1
ffmpeg-7
openSUSE:Leap 16.0
before 7.1.4-160000.2.1
7.1.4-160000.2.1

History

History
RecordedChangedSources
affected, facts
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-30997 is a high vulnerability (CVSS 7.5) in Ffmpeg, published April 13, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.34%, the 27th percentile. Fixed in ffmpeg 7:5.1.9-0+deb12u1.

References

Show 32 moreShow less
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