CVE-2023-6349: chromium libvpx Heap-based Buffer Overflow
CVSS: 7.5v3.1HighAnalyzed
AliasesUBUNTU-CVE-2023-6349DEBIAN-CVE-2023-6349
Published 27-05-2024Last modified 02-08-2024
Vulnerability summary
CVE-2023-6349 is a high (CVSS 7.5) Heap-based Buffer Overflow vulnerability in chromium libvpx. EPSS estimates a 0.36% chance of exploitation in the next 30 days, higher than 28.9% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
7.5/10
010
High · v3.1 (NVD)EPSS score
0.36%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Advisory lineage
Upstream 0 · Downstream 3 · Related 5Timeline
- 27-05-2024PublishedVulnerability first disclosed.
- 02-08-2024Last modifiedVulnerability information updated.
Description
A heap overflow vulnerability exists in libvpx - Encoding a frame that has larger dimensions than the originally configured size with VP9 may result in a heap overflow in libvpx. We recommend upgrading to version 1.13.1 or above
CVSS metrics
6 scores · 4 sources · 2 versionsMedium 5.7Preferred score · CVE.org (CNA)
CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:P/VC:L/VI:H/VA:N/SC:L/SI:H/SA:N/S:N/AU:N/R:A/V:DSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated5.7MediumCVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:P/VC:L/VI:H/VA:N/SC:L/SI:H/SA:N/S:N/AU:N/R:A/V:D
- NVDNIST5.7MediumCVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:P/VC:L/VI:H/VA:N/SC:L/SI:H/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:N/AU:N/R:A/V:D/RE:X/U:X
High 7.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.36%
Chance of exploitation in the next 30 days
Percentile
29%
Versus all other CVEs
30-day change
0.00 pp
From 0.36% on 20-09-2026
20-09-202620-10-2026
EPSS score0.36%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (crbug.com)
Maturity: unknown
Weaknesses
CWE · root cause- CWE-122Heap-based Buffer OverflowA heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().
- CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.
Affected systems
Chromium1 product
- libvpx≥ 1.5.0, < 1.13.1
Debian1 product
- libvpx< 1.12.0-1+deb12u2 | < 1.13.1-2
Ubuntu1 product
- libvpxAll versions (No fix recorded) | < 1.5.0-2ubuntu1.1+esm2 | < 1.7.0-3ubuntu0.18.04.1+esm1 | < 1.8.2-1ubuntu0.2 | < 1.11.0-2ubuntu2.2
Webmproject1 product
- libvpx< 1.13.1
4 vendors · 4 products
