CVE-2022-36752: png2webp v1.0.4 was discovered to contain an out-of-bounds write via the function w2p

Routine

MEDIUM 5.5DOWNGRADE

CVE-2022-36752 is a medium-severity flaw (CVSS 5.5) affecting png2webp. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

png2webp v1.0.4 was discovered to contain an out-of-bounds write via the function w2p. This vulnerability is exploitable via a crafted png file.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	5.5 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.4% (top 62%)
CISA exploited list	No
Weakness	CWE-787
Published	2022-07-28
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: png2webp project

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

Am I affected?

Timeline

2022-07-28 23:15 UTCPublished CVE record published
2026-06-17 04:53 UTCUpdated Record last modified

png2webp project png2webp DOWNGRADE

Affected: 1.0.4

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0.4

1. Check installed version

apt-cache policy png2webp || rpm -q png2webp || png2webp --version

2. No fixed release: DOWNGRADE to a release before 1.0.4 (Debian / Ubuntu)

apt-cache madison png2webp sudo apt install png2webp=<VERSION_BEFORE_1.0.4> sudo apt-mark hold png2webp

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

dnf --showduplicates list png2webp sudo dnf downgrade png2webp-<VERSION_BEFORE_1.0.4> sudo dnf versionlock add png2webp

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-2022-36752?

png2webp: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2022-36752 being exploited?

CVE-2022-36752 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-2022-36752 affect?

CVE-2022-36752 affects png2webp. Severity is medium (CVSS 5.5). png2webp v1.0.4 was discovered to contain an out-of-bounds write via the function w2p. This vulnerability is exploitable via a crafted png file.

How urgent is CVE-2022-36752?

Priority 34/100. Public exploit reference

References

← Back to latest CVEs