CVE-2024-35420: wac commit 385e1 was discovered to contain a heap overflow.

Routine

MEDIUM 6.2DOWNGRADE

CVE-2024-35420 is a medium-severity flaw (CVSS 6.2) affecting wac. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

wac commit 385e1 was discovered to contain a heap overflow.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	6.2 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.2% (top 86%)
CISA exploited list	No
Weakness	CWE-120
Published	2024-11-08
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: kanaka

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

Am I affected?

Timeline

2024-11-08 22:15 UTCPublished CVE record published
2026-06-17 07:34 UTCUpdated Record last modified

kanaka wac DOWNGRADE

Affected: 2019-10-01

Fixed in: no fixed release known

Safe to downgrade to: a release before 2019-10-01

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2019-10-01 (Debian / Ubuntu)

apt-cache madison wac sudo apt install wac=<VERSION_BEFORE_2019-10-01> sudo apt-mark hold wac

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

dnf --showduplicates list wac sudo dnf downgrade wac-<VERSION_BEFORE_2019-10-01> sudo dnf versionlock add wac

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-2024-35420?

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

Is CVE-2024-35420 being exploited?

CVE-2024-35420 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-2024-35420 affect?

CVE-2024-35420 affects wac. Severity is medium (CVSS 6.2). wac commit 385e1 was discovered to contain a heap overflow.

How urgent is CVE-2024-35420?

Priority 30/100. Public exploit reference

Related CVEs

CVE-2024-35419 MEDIUM 5.5 DOWNGRADE wac commit 385e1 was discovered to contain a heap overflow via the load_module function at /wac-asan/wa.c
CVE-2024-35418 MEDIUM 6.2 DOWNGRADE wac commit 385e1 was discovered to contain a heap overflow via the setup_call function at /wac-asan/wa.c
CVE-2024-35410 MEDIUM 6.2 DOWNGRADE wac commit 385e1 was discovered to contain a heap overflow via the interpret function at /wac-asan/wa.c

References

← Back to latest CVEs