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CVE-2017-17127

The vc1_decode_frame function in libavcodec/vc1dec.c in Libav 12.2 allows remote attackers to...

6.5 MediumFix available

CVE-2017-17127 is a medium vulnerability (CVSS 6.5) in Libav, published December 4, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.75%, the 77th percentile. Fixed in libav 6:11.12-1~deb8u9.

The vc1_decode_frame function in libavcodec/vc1dec.c in Libav 12.2 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted file.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

1.75%Up 0.5 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 6.5

The vc1_decode_frame function in libavcodec/vc1dec.c in Libav 12.2 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted file.

Record
CVE-2017-17127
CVSS 3.0
6.5 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS 2.0
4.3 MediumAV:N/AC:M/Au:N/C:N/I:N/A:P
Weakness
CWE-476
Updated
2026-11-02
CVE List No score

The vc1_decode_frame function in libavcodec/vc1dec.c in Libav 12.2 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted file.

Record
CVE-2017-17127
Updated
2026-11-02
EUVDEUVD-2017-8293 No score

The vc1_decode_frame function in libavcodec/vc1dec.c in Libav 12.2 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted file.

Record
EUVD-2017-8293
Updated
2026-11-03
GitHub AdvisoriesGHSA-8c4m-6mq7-68hf 6.5

The vc1_decode_frame function in libavcodec/vc1dec.c in Libav 12.2 allows remote attackers to...

The vc1_decode_frame function in libavcodec/vc1dec.c in Libav 12.2 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted file.

Record
GHSA-8c4m-6mq7-68hf
CVSS 3.0
6.5 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness
CWE-476
Updated
2026-11-02
OSVUBUNTU-CVE-2017-17127 6.5

The vc1_decode_frame function in libavcodec/vc1dec.c in Libav 12.2 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted file.

Record
UBUNTU-CVE-2017-17127
CVSS 3.0
6.5 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
libav
Debian:8
before 6:11.12-1~deb8u9, plus listed versions
6:11.11-1~deb8u16:11.12-1~deb8u16:11.12-1~deb8u26:11.12-1~deb8u36:11.12-1~deb8u4
Show 16 moreShow less
6:11.12-1~deb8u56:11.12-1~deb8u66:11.12-1~deb8u76:11.12-1~deb8u86:11.3-16:11.3-1+deb8u16:11.3-26:11.3-36:11.4-16:11.4-1~deb8u16:11.4-26:11.4-2+x32.16:11.6-1~deb8u16:11.7-1~deb8u16:11.8-1~deb8u16:11.9-1~deb8u1
6:11.12-1~deb8u9
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

History

History
WhenChangedSources
2026-11-03aliasesEUVD
2026-11-02createdCVE List, GitHub Advisories, NVD, OSV

References

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