CVE-2020-36328
A heap-based buffer overflow in function WebPDecodeRGBInto is possible due to an invalid check for buffer size.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.66%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A flaw was found in libwebp in versions before 1.0.1. A heap-based buffer overflow in function WebPDecodeRGBInto is possible due to an invalid check for buffer size. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 2.66% probability · 86th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- webmproject/libwebp · redhat/enterprise linux · netapp/ontap select deploy administration utility · debian/debian linux · apple/ipados · apple/iphone os
- Source
- secalert@redhat.com
EPSS 2.7% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://seclists.org/fulldisclosure/2021/Jul/54Mailing List, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1956829Issue Tracking, Patch, Release Notes, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/06/msg00005.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/06/msg00006.htmlMailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20211112-0001/Third Party Advisory
- https://support.apple.com/kb/HT212601Third Party Advisory
- https://www.debian.org/security/2021/dsa-4930Third Party Advisory
- http://seclists.org/fulldisclosure/2021/Jul/54Mailing List, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1956829Issue Tracking, Patch, Release Notes, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/06/msg00005.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/06/msg00006.htmlMailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20211112-0001/Third Party Advisory
- https://support.apple.com/kb/HT212601Third Party Advisory
- https://www.debian.org/security/2021/dsa-4930Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.