Description
A heap-based buffer overflow was found in libwebp in versions before 1.0.1 in PutLE16().
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | libwebp | libwebp 1.0.1 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | libwebp | 0.6.1-2.1 | — |
| Debian 13 | libwebp | 0.6.1-2.1 | — |
| Debian 12 | libwebp | 0.6.1-2.1 | — |
| Debian 10 | libwebp | 0.6.1-2+deb10u1 | DSA-4930-1 |
| Debian 9 | libwebp | 0.5.2-1+deb9u1 | DLA-2677-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | libwebp | 0.6.1-2ubuntu0.20.04.1 | USN-4971-1 |
| Ubuntu 18.04 LTS | libwebp | 0.6.1-2ubuntu0.18.04.1 | USN-4971-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 16.04 LTS | libwebp | 0.4.4-1ubuntu0.1~esm1 | USN-4971-2 |
| Ubuntu Pro 14.04 LTS | libwebp | 0.4.0-4ubuntu0.1~esm1 | USN-4971-2 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8 | libwebp +1 | 1.0.0-3.el8_4 | RHSA-2021:2354 |
| RHEL 7 | libwebp +3 | 0.3.0-10.el7_9 | RHSA-2021:2260 |
| RHEL 7 | qt5-qtimageformats +1 | 5.9.7-2.el7_9 | RHSA-2021:2328 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8.2 EUS | libwebp +1 | 1.0.0-4.el8_2 | RHSA-2021:2364 |
| RHEL 8.1 EUS | libwebp +1 | 1.0.0-4.el8_1 | RHSA-2021:2365 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 8 | libwebp | 1.0.0-3.el8_4 | RLSA-2021:2354 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP3 | libwebp | 0.5.0-3.5.1 | SUSE-SU-2021:1860-1 |
| SLES 15 SP2 | libwebp | 0.5.0-3.5.1 | SUSE-SU-2021:1860-1 |
| SLES 15 SP1 | libwebp | 0.5.0-3.5.1 | SUSE-SU-2021:1860-1 |
| SLES 15 | libwebp | 0.5.0-3.5.1 | SUSE-SU-2021:1860-1 |
| SLES 12 SP5 | libwebp | 0.4.3-4.7.1 | SUSE-SU-2021:1830-1 |
Show 20 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP4 | libwebp | 0.4.3-4.7.1 | SUSE-SU-2021:1830-1 |
| SLES 12 SP3 | libwebp | 0.4.3-4.7.1 | SUSE-SU-2021:1830-1 |
| SLES 12 SP2 | libwebp | 0.4.3-4.7.1 | SUSE-SU-2021:1830-1 |
| SLES for SAP 15 SP1 | libwebp | 0.5.0-3.5.1 | SUSE-SU-2021:1860-1 |
| SLES for SAP 15 | libwebp | 0.5.0-3.5.1 | SUSE-SU-2021:1860-1 |
| SLES for SAP 12 SP5 | libwebp | 0.4.3-4.7.1 | SUSE-SU-2021:1830-1 |
| SLES for SAP 12 SP4 | libwebp | 0.4.3-4.7.1 | SUSE-SU-2021:1830-1 |
| SLES for SAP 12 SP3 | libwebp | 0.4.3-4.7.1 | SUSE-SU-2021:1830-1 |
| SLE HPC 15 SP1 | libwebp | 0.5.0-3.5.1 | SUSE-SU-2021:1860-1 |
| SLE HPC 15 | libwebp | 0.5.0-3.5.1 | SUSE-SU-2021:1860-1 |
| SUSE OpenStack Cloud Crowbar 9 | libwebp | 0.4.3-4.7.1 | SUSE-SU-2021:1830-1 |
| SUSE OpenStack Cloud Crowbar 8 | libwebp | 0.4.3-4.7.1 | SUSE-SU-2021:1830-1 |
| SUSE OpenStack Cloud 9 | libwebp | 0.4.3-4.7.1 | SUSE-SU-2021:1830-1 |
| SUSE OpenStack Cloud 8 | libwebp | 0.4.3-4.7.1 | SUSE-SU-2021:1830-1 |
| SUSE OpenStack Cloud 7 | libwebp | 0.4.3-4.7.1 | SUSE-SU-2021:1830-1 |
| SUSE Manager Server 4.0 | libwebp | 0.5.0-3.5.1 | SUSE-SU-2021:1860-1 |
| SUSE Manager Retail Branch Server 4.0 | libwebp | 0.5.0-3.5.1 | SUSE-SU-2021:1860-1 |
| SUSE Manager Proxy 4.0 | libwebp | 0.5.0-3.5.1 | SUSE-SU-2021:1860-1 |
| SUSE HPE Helion OpenStack 8 | libwebp | 0.4.3-4.7.1 | SUSE-SU-2021:1830-1 |
| SUSE Enterprise Storage 6 | libwebp | 0.5.0-3.5.1 | SUSE-SU-2021:1860-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.3 | libwebp | 0.5.0-3.5.1 | openSUSE-SU-2021:1860-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | libwebp +3 | 0.3.0-10.amzn2 | ALAS2-2021-1676 |
| Amazon Linux 2 | qt5-qtimageformats +1 | 5.9.2-1.amzn2.0.2 | ALAS2-2021-1679 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 8 | libwebp +1 | 1.0.0-3.el8_4 | ELSA-2021-2354 |
| Oracle Linux 7 | libwebp +3 | 0.3.0-10.el7_9 | ELSA-2021-2260 |
| Oracle Linux 7 | qt5-qtimageformats +1 | 5.9.7-2.el7_9 | ELSA-2021-2328 |
Advisories 18
- USN-4971-2 libwebp vulnerabilities Ubuntu Security Notices (USN) · Jun 29, 2026
- RHSA-2021:2260 Red Hat Security Advisory: libwebp security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- RHSA-2021:2328 Red Hat Security Advisory: qt5-qtimageformats security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- USN-4971-1 libwebp vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- DSA-4930-1 libwebp - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-2677-1 libwebp - security update Debian Security (DSA / DLA) · Mar 9, 2026
- RLSA-2021:2354 Important: libwebp security update Rocky Linux Security Advisories · Feb 4, 2026
- SUSE-SU-2021:1830-1 Security update for libwebp SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:1860-1 Security update for libwebp SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:1860-1 Security update for libwebp SUSE / openSUSE Security Updates · Feb 4, 2026
- RHSA-2021:2365 Red Hat Security Advisory: libwebp security update Red Hat Security Advisories (RHSA) · Nov 22, 2025
- RHSA-2021:2364 Red Hat Security Advisory: libwebp security update Red Hat Security Advisories (RHSA) · Nov 22, 2025
- RHSA-2021:2354 Red Hat Security Advisory: libwebp security update Red Hat Security Advisories (RHSA) · Nov 22, 2025
- ALAS2-2021-1676 Important: libwebp security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Jul 1, 2021
- ALAS2-2021-1679 Important: qt5-qtimageformats security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Jul 1, 2021
- ELSA-2021-2354 Important: libwebp security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Jun 10, 2021
- ELSA-2021-2328 Important: qt5-qtimageformats security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Jun 9, 2021
- ELSA-2021-2260 Important: libwebp security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Jun 8, 2021
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1956919
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9119
- https://chromium.googlesource.com/webm/libwebp/+/v1.0.1
- https://chromium.googlesource.com/webm/libwebp/+log/be738c6d396fa5a272c1b209be4379a7532debfe..29fb8562c60b5a919a75d904ff7366af423f8ab9?pretty=fuller&n=10000