CVE-2026-46603: Excessive memory allocation during VP8L decoding in golang.org/x/image

Awaiting analysis

AliasesUBUNTU-CVE-2026-46603DEBIAN-CVE-2026-46603CGA-2c7j-gmm4-vr75+231 more

Published 14-08-2026Last modified 14-08-2026

Vulnerability summary

CVE-2026-46603 is a high (CVSS 7.5) vulnerability in golang.org/x/image golang.org/x/image/vp8l. EPSS estimates a 0.41% chance of exploitation in the next 30 days, higher than 35.5% of scored vulnerabilities.

Priority

Prioritisesevere

Severe, CVSS 7.5 (CVE.org); no exploitation reported by the 5 checked sources; EPSS 0% (FIRST, 03-11-2026)

Source freshness unavailable

How is this decided?

CVSS score

7.5/10

010

High · v3.1 (CVE.org)

EPSS score

0.41%

0%100%

Low · 0.00 pp in 30 days

KEVNot listedNot listed by any tracked catalog.

RansomwareNot flaggedNo ransomware use recorded.

Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 4 · Related 5

OPENSUSE-SU-2026:11727-1 OPENSUSE-SU-2026:21761-1 OPENSUSE-SU-2026:21999-1 SUSE-SU-2026:23625-1 CGA-HM5H-V84J-M3GX

Timeline

14-08-2026
PublishedVulnerability first disclosed.
14-08-2026
Last modifiedVulnerability information updated.

Description

VP8L decoding in golang.org/x/image/vp8l can allocate an excessive amount of memory when processing a crafted VP8L image containing many unused Huffman tree groups. This allows a remote attacker to cause a denial of service via memory exhaustion.

CVSS metrics

4 scores · 4 sources · 1 version

v3.17.5

EPSS trend

Probability

0.41%

Chance of exploitation in the next 30 days

Percentile

36%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.41% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs

CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

CWE-789Memory Allocation with Excessive Size ValueThe product allocates memory based on an untrusted, large size value, but it does not ensure that the size is within expected limits, allowing arbitrary amounts of memory to be allocated.

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Chainguard84 products

bento< 1.20.0-r2
bento-fips< 1.20.0-r2
cgAll versions (No fix recorded)
chainctlAll versions (No fix recorded)
chainctl-fipsAll versions (No fix recorded)

commercial-chainloop-backendAll versions (No fix recorded)
commercial-gitlab-workhorse-ee-19.2All versions (No fix recorded)
commercial-gitlab-workhorse-ee-19.3All versions (No fix recorded)
commercial-gitlab-workhorse-ee-fips-19.2All versions (No fix recorded)
commercial-gitlab-workhorse-ee-fips-19.3All versions (No fix recorded)
filebrowserAll versions (No fix recorded)
fortio< 1.75.2-r5
fortio-fips< 1.75.2-r4
gatusAll versions (No fix recorded)
gatus-fipsAll versions (No fix recorded)
gitea< 1.27.2-r1
gitea-fips< 1.27.2-r1
gitlab-workhorse-ce-18.10All versions (No fix recorded)
gitlab-workhorse-ce-18.11All versions (No fix recorded)
gitlab-workhorse-ce-18.6All versions (No fix recorded)
gitlab-workhorse-ce-18.7All versions (No fix recorded)
gitlab-workhorse-ce-18.8All versions (No fix recorded)
gitlab-workhorse-ce-18.9All versions (No fix recorded)
gitlab-workhorse-ce-19.0All versions (No fix recorded)
gitlab-workhorse-ce-19.1All versions (No fix recorded)
gitlab-workhorse-ce-19.2All versions (No fix recorded)
gitlab-workhorse-ce-19.3All versions (No fix recorded)
gitlab-workhorse-ce-19.4All versions (No fix recorded)
gitlab-workhorse-ce-19.5All versions (No fix recorded)
gitlab-workhorse-ce-fips-18.10All versions (No fix recorded)
gitlab-workhorse-ce-fips-18.11All versions (No fix recorded)
gitlab-workhorse-ce-fips-18.6All versions (No fix recorded)
gitlab-workhorse-ce-fips-18.7All versions (No fix recorded)
gitlab-workhorse-ce-fips-18.8All versions (No fix recorded)
gitlab-workhorse-ce-fips-18.9All versions (No fix recorded)
gitlab-workhorse-ce-fips-19.0All versions (No fix recorded)
gitlab-workhorse-ce-fips-19.1All versions (No fix recorded)
gitlab-workhorse-ce-fips-19.2All versions (No fix recorded)
gitlab-workhorse-ce-fips-19.3All versions (No fix recorded)
gitlab-workhorse-ce-fips-19.4All versions (No fix recorded)
gitlab-workhorse-ce-fips-19.5All versions (No fix recorded)
glabAll versions (No fix recorded)
glab-fipsAll versions (No fix recorded)
hugoAll versions (No fix recorded)
hugo-extendedAll versions (No fix recorded)
hugo-fipsAll versions (No fix recorded)
kitty< 0.48.2-r2
kubescape< 4.0.12-r2
kubescape-server< 4.0.12-r2
kubescape-server-downloader< 4.0.12-r2
kubescape-server-fips< 4.0.12-r2
kubescape-server-fips-downloader< 4.0.12-r2
listmonkAll versions (No fix recorded)
mailpit< 1.30.7-r2
mailpit-fips< 1.30.7-r2
mattermost-10.11< 10.11.23-r2
mattermost-11.2All versions (No fix recorded)
mattermost-11.4< 11.4.5-r10
mattermost-11.5< 11.5.7-r7
mattermost-11.6< 11.6.6-r9
mattermost-11.6-compat< 11.6.6-r15
mattermost-11.7< 11.7.9-r2
mattermost-11.8< 11.8.5-r1
mattermost-fips-10.11< 10.11.23-r2
mattermost-fips-11.2< 11.2.4-r13
mattermost-fips-11.4< 11.4.5-r6
mattermost-fips-11.5< 11.5.7-r9
mattermost-fips-11.6< 11.6.6-r7
mattermost-fips-11.7< 11.7.9-r2
mattermost-fips-11.8< 11.8.5-r2
nemo< 2.7.3-r21
ollama< 0.32.14-r1
ollama-fips< 0.32.13-r1
pdfcpu< 0.15.0-r2
rclone< 1.75.0-r2
rclone-fips< 1.75.0-r2
seaweedfs< 4.41-r2
seaweedfs-fips< 4.41-r2
seaweedfs-operator< 1.0.34-r2
seaweedfs-operator-fips< 1.0.34-r2
seaweedfs-rocksdb< 4.40-r3
seaweedfs-rocksdb-fips< 4.41-r2
tailscaleAll versions (No fix recorded)
teleport-18All versions (No fix recorded)

Show all 84

Wolfi20 products

bento< 1.20.0-r2
filebrowserAll versions (No fix recorded)
gatusAll versions (No fix recorded)
gitea< 1.27.2-r1
glabAll versions (No fix recorded)

Show all 20

Debian1 product

golang-golang-x-imageAll versions (No fix recorded) | < 0.45.0-1

Golang.org/x1 product

image< 0.45.0

Golang.org/x/image1 product

golang.org/x/image/vp8l< 0.45.0

Ubuntu1 product

golang-golang-x-imageAll versions (No fix recorded)

6 vendors · 108 products

References

7 links

go.dev/issue/80069REPORT
go.dev/cl/793460REPORTFIX
pkg.go.dev/vuln/GO-2026-6222REPORT
ubuntu.com/security/CVE-2026-46603REPORT
www.cve.org/CVERecord?id=CVE-2026-46603REPORT
github.com/golang/go/issues/80069REPORT
security-tracker.debian.org/tracker/CVE-2026-46603Advisory