CVE-2018-18699: An issue was discovered in GoPro gpmf-parser 1.2.1

This month

HIGH 8.8DOWNGRADE

CVE-2018-18699 is a high-severity flaw (CVSS 8.8) affecting gpmf-parser. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue was discovered in GoPro gpmf-parser 1.2.1. There is an out-of-bounds write in OpenMP4Source in GPMF_mp4reader.c.

Why this priority

High severity

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	1.4% (top 28%)
CISA exploited list	No
Weakness	CWE-787
Published	2018-10-29
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: gopro

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

Am I affected?

Timeline

2018-10-29 12:29 UTCPublished CVE record published
2026-06-17 01:47 UTCUpdated Record last modified

gopro gpmf-parser DOWNGRADE

Affected: 1.2.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.2.1

1. Check installed version

apt-cache policy gpmf-parser || rpm -q gpmf-parser || gpmf-parser --version

2. No fixed release: DOWNGRADE to a release before 1.2.1 (Debian / Ubuntu)

apt-cache madison gpmf-parser sudo apt install gpmf-parser=<VERSION_BEFORE_1.2.1> sudo apt-mark hold gpmf-parser

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

dnf --showduplicates list gpmf-parser sudo dnf downgrade gpmf-parser-<VERSION_BEFORE_1.2.1> sudo dnf versionlock add gpmf-parser

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-2018-18699?

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

Is CVE-2018-18699 being exploited?

CVE-2018-18699 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-2018-18699 affect?

CVE-2018-18699 affects gpmf-parser. Severity is high (CVSS 8.8). An issue was discovered in GoPro gpmf-parser 1.2.1. There is an out-of-bounds write in OpenMP4Source in GPMF_mp4reader.c.

How urgent is CVE-2018-18699?

Priority 49/100. High severity

Related CVEs

CVE-2020-16161 HIGH 7.5 DOWNGRADE GoPro gpmf-parser 1.5 has a division-by-zero vulnerability in GPMF_ScaledData()
CVE-2020-16160 HIGH 7.5 DOWNGRADE GoPro gpmf-parser 1.5 has a division-by-zero vulnerability in GPMF_Decompress()
CVE-2020-16159 CRITICAL 9.1 DOWNGRADE GoPro gpmf-parser 1.5 has a heap out-of-bounds read and segfault in GPMF_ScaledData()
CVE-2020-16158 HIGH 8.8 UPGRADE GoPro gpmf-parser through 1.5 has a stack out-of-bounds write vulnerability in GPMF_ExpandComplexTYPE()
CVE-2019-20089 HIGH 7.8 DOWNGRADE GoPro GPMF-parser 1.2.3 has an heap-based buffer over-read in GPMF_SeekToSamples in GPMF_parse.c for the size

References

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