CVE-2017-9051
libav before 12.1 is vulnerable to an invalid read of size 1 due to NULL pointer dereferencing in...
libav before 12.1 is vulnerable to an invalid read of size 1 due to NULL pointer dereferencing in the nsv_read_chunk function in libavformat/nsvdec.c.
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
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
libav before 12.1 is vulnerable to an invalid read of size 1 due to NULL pointer dereferencing in the nsv_read_chunk function in libavformat/nsvdec.c.
- Record
CVE-2017-9051- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-476
- Updated
- 2026-11-02
CVE List No score
libav before 12.1 is vulnerable to an invalid read of size 1 due to NULL pointer dereferencing in the nsv_read_chunk function in libavformat/nsvdec.c.
- Record
CVE-2017-9051- Updated
- 2026-11-02
EUVDEUVD-2017-17990 No score
libav before 12.1 is vulnerable to an invalid read of size 1 due to NULL pointer dereferencing in the nsv_read_chunk function in libavformat/nsvdec.c.
- Record
EUVD-2017-17990- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-93m5-m7h3-h2pm
libav before 12.1 is vulnerable to an invalid read of size 1 due to NULL pointer dereferencing in...
libav before 12.1 is vulnerable to an invalid read of size 1 due to NULL pointer dereferencing in the nsv_read_chunk function in libavformat/nsvdec.c.
- Record
GHSA-93m5-m7h3-h2pm- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-476
- Updated
- 2026-11-02
OSV
libav before 12.1 is vulnerable to an invalid read of size 1 due to NULL pointer dereferencing in the nsv_read_chunk function in libavformat/nsvdec.c.
- Record
CVE-2017-9051- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2017-9051
libav before 12.1 is vulnerable to an invalid read of size 1 due to NULL pointer dereferencing in the nsv_read_chunk function in libavformat/nsvdec.c.
- Record
DEBIAN-CVE-2017-9051- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2017-9051
libav before 12.1 is vulnerable to an invalid read of size 1 due to NULL pointer dereferencing in the nsv_read_chunk function in libavformat/nsvdec.c.
- Record
UBUNTU-CVE-2017-9051- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
ffmpegDebian:12 |
before 7:2.6.1-1 | 7:2.6.1-1 |
ffmpegDebian:13 |
before 7:2.6.1-1 | 7:2.6.1-1 |
ffmpegDebian:14 |
before 7:2.6.1-1 | 7:2.6.1-1 |
libavUbuntu: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 less6:9.10-1ubuntu76:9.11-2ubuntu16:9.11-2ubuntu26:9.13-0ubuntu0.14.04.16:9.14-0ubuntu0.14.04.16:9.16-0ubuntu0.14.04.16:9.18-0ubuntu0.14.04.16:9.20-0ubuntu0.14.04.16:9.20-0ubuntu0.14.04.1+esm1 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2017-9051 is a critical vulnerability (CVSS 9.8) in Libav, published May 18, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.91%, the 79th percentile. Fixed in ffmpeg 7:2.6.1-1.
References
bugzilla.libav.org/show_bug.cgi?id=1039
securityfocus.com/bid/98548
github.com/libav/libav/commit/fe6eea99efac66839052af547426518efd970b24
nvd.nist.gov/vuln/detail/CVE-2017-9051
security-tracker.debian.org/tracker/CVE-2017-9051
ubuntu.com/security/CVE-2017-9051
cve.org/CVERecord?id=CVE-2017-9051