CVE-2017-14796: The hevc_write_frame function in libbpg.c in libbpg 0.9.7 allows remote attackers to cause a denial of service

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HIGH 8.8DOWNGRADE

CVE-2017-14796 is a high-severity flaw (CVSS 8.8) affecting libbpg. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The hevc_write_frame function in libbpg.c in libbpg 0.9.7 allows remote attackers to cause a denial of service (integer underflow and application crash) or possibly have unspecified other impact via a crafted BPG file, related to improper interaction with copy_CTB_to_hv in hevc_filter.c in libavcodec in FFmpeg and sao_filter_CTB in hevc_filter.c in libavcodec in FFmpeg.

Why this priority

High severity
Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	1.5% (top 25%)
CISA exploited list	No
Weakness	CWE-191
Published	2017-09-28
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: libbpg project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2017-09-28 01:29 UTCPublished CVE record published
2026-06-17 01:06 UTCUpdated Record last modified

libbpg project libbpg DOWNGRADE

Affected: 0.9.7

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.9.7

1. Check installed version

apt-cache policy libbpg || rpm -q libbpg || libbpg --version

2. No fixed release: DOWNGRADE to a release before 0.9.7 (Debian / Ubuntu)

apt-cache madison libbpg sudo apt install libbpg=<VERSION_BEFORE_0.9.7> sudo apt-mark hold libbpg

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list libbpg sudo dnf downgrade libbpg-<VERSION_BEFORE_0.9.7> sudo dnf versionlock add libbpg

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2017-14796?

libbpg: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2017-14796 being exploited?

CVE-2017-14796 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2017-14796 affect?

CVE-2017-14796 affects libbpg. Severity is high (CVSS 8.8). The hevc_write_frame function in libbpg.c in libbpg 0.9.7 allows remote attackers to cause a denial of service (integer underflow and application crash) or possibly have unspecified other impact via a crafted BPG file, related to improper i

How urgent is CVE-2017-14796?

Priority 54/100. High severity; Public exploit reference

Software pages

FFmpeg vulnerabilities

Related CVEs

CVE-2018-12447 HIGH 8.8 DOWNGRADE The restore_tqb_pixels function in hevc_filter.c in libavcodec, as used in libbpg 0.9.8 and other products, ha
CVE-2017-2575 MEDIUM 6.5 DOWNGRADE A vulnerability was found while fuzzing libbpg 0.9.7
CVE-2017-14795 HIGH 8.8 DOWNGRADE The hevc_write_frame function in libbpg.c in libbpg 0.9.7 allows remote attackers to cause a denial of service
CVE-2017-14734 HIGH 8.8 DOWNGRADE The build_msps function in libbpg.c in libbpg 0.9.7 allows remote attackers to cause a denial of service (heap
CVE-2017-14034 HIGH 8.8 DOWNGRADE The restore_tqb_pixels function in hevc_filter.c in libavcodec, as used in libbpg 0.9.7 and other products, mi

References

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