CVE-2020-36330
libwebp: out-of-bounds read in ChunkVerifyAndAssign() in mux/muxread.c
Severity Score
Exploit Likelihood
Affected Versions
Public Exploits
0Exploited in Wild
-Decision
Descriptions
A flaw was found in libwebp in versions before 1.0.1. An out-of-bounds read was found in function ChunkVerifyAndAssign. The highest threat from this vulnerability is to data confidentiality and to the service availability.
Se encontró un fallo en libwebp en versiones anteriores a 1.0.1. Se encontró una lectura fuera de límites en la función ChunkVerifyAndAssign. La mayor amenaza de esta vulnerabilidad es la confidencialidad de los datos y la disponibilidad del servicio
A flaw was found in libwebp. An out-of-bounds read was found in function ChunkVerifyAndAssign. The highest threat from this vulnerability is to data confidentiality and to the service availability.
USN-4971-1 fixed several vulnerabilities in libwebp. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. It was discovered that libwebp incorrectly handled certain malformed images. If a user or automated system were tricked into opening a specially crafted image file, a remote attacker could use this issue to cause libwebp to crash, resulting in a denial of service, or possibly execute arbitrary code. Various other issues were also addressed.
CVSS Scores
SSVC
- Decision:-
Timeline
- 2021-05-04 CVE Reserved
- 2021-05-21 CVE Published
- 2024-08-04 CVE Updated
- 2025-03-30 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-125: Out-of-bounds Read
CAPEC
References (8)
| URL | Tag | Source |
|---|---|---|
| http://seclists.org/fulldisclosure/2021/Jul/54 | Mailing List |
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| https://lists.debian.org/debian-lts-announce/2021/06/msg00005.html | Mailing List |
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| https://lists.debian.org/debian-lts-announce/2021/06/msg00006.html | Mailing List |
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| https://security.netapp.com/advisory/ntap-20211104-0004 | Third Party Advisory |
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| https://support.apple.com/kb/HT212601 | Not Applicable |
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| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1956853 | 2021-11-09 |
| URL | Date | SRC |
|---|---|---|
| https://www.debian.org/security/2021/dsa-4930 | 2021-11-30 | |
| https://access.redhat.com/security/cve/CVE-2020-36330 | 2021-11-09 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Webmproject Search vendor "Webmproject" | Libwebp Search vendor "Webmproject" for product "Libwebp" | < 1.0.1 Search vendor "Webmproject" for product "Libwebp" and version " < 1.0.1" | - |
Affected
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| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 9.0 Search vendor "Debian" for product "Debian Linux" and version "9.0" | - |
Affected
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| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 10.0 Search vendor "Debian" for product "Debian Linux" and version "10.0" | - |
Affected
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| Redhat Search vendor "Redhat" | Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux" | 8.0 Search vendor "Redhat" for product "Enterprise Linux" and version "8.0" | - |
Affected
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| Netapp Search vendor "Netapp" | Ontap Select Deploy Administration Utility Search vendor "Netapp" for product "Ontap Select Deploy Administration Utility" | - | - |
Affected
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| Apple Search vendor "Apple" | Ipados Search vendor "Apple" for product "Ipados" | < 14.7 Search vendor "Apple" for product "Ipados" and version " < 14.7" | - |
Affected
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| Apple Search vendor "Apple" | Iphone Os Search vendor "Apple" for product "Iphone Os" | < 14.7 Search vendor "Apple" for product "Iphone Os" and version " < 14.7" | - |
Affected
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