VP9 in libvpx before 1.13.1 mishandles widths, leading to a crash related to encoding.
Conclusion & alert: CVE-2023-44488 is rated Moderate Risk (58.2/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.45%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-04-08 | 1.46% | 1.45% | -0.02% |
| 2 | 2026-03-21 | 1.45% | 1.46% | +0.02% |
| 3 | 2025-12-28 | — | 1.45% | — |
Full EPSS history (22 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 3.1 | HIGH |
|
3.9 | 3.6 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
high | CVE-2023-44488: 1 source package rows (libvpx); 7 state rows across 3 repos (3.18-community, 3.22-community, edge-community); fixed 0, open 7. | https://security.alpinelinux.org/vuln/CVE-2023-44488 |
debian
|
not yet assigned | CVE-2023-44488 not yet assigned priority: Debian including 1 source packages (libvpx), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2023-44488 |
gentoo
|
high | CVE-2023-44488: 1 GLSA(s) (202310-04), 1 atom(s) (media-libs/libvpx); latest impact high. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2023-44488 |
redhat
|
high | — | https://access.redhat.com/security/cve/CVE-2023-44488 |
suse
|
high | CVE-2023-44488 severity important: SUSE including 25 source package names (0.3.2-1.2:libvpx7-1.11.0-150400.3.7.1, 0.3.32-3.4:libvpx7-1.11.0-150400.3.7.1, …), 68 product×package rows across 31 product lines (Container containers/lmcache-vllm-openai, Container containers/open-webui, … (31 product lines)): Fixed 54, Known Not Affected 14. | https://www.suse.com/security/cve/CVE-2023-44488/ |
ubuntu
|
medium | CVE-2023-44488 medium priority: Ubuntu including 10 source packages (chromium-browser, firefox, …), 120 status rows across 12 suites (bionic, focal, jammy, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): DNE 57, ignored 28, not-affected 19, released 13, needs-triage 3. | https://ubuntu.com/security/CVE-2023-44488 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| webmproject | libvpx | < 1.13.1 | cpe:2.3:a:webmproject:libvpx:*:*:*:*:*:*:*:* |
| redhat | enterprise_linux | 8.0 | cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux | 9.0 | cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:* |
| debian | debian_linux | 10.0 | cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* |
| debian | debian_linux | 11.0 | cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* |
| debian | debian_linux | 12.0 | cpe:2.3:o:debian:debian_linux:12.0:*:*:*:*:*:*:* |
| fedoraproject | fedora | 37 | cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://www.openwall.com/lists/oss-security/2023/09/30/4 | Mailing List Third Party Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=2241806 | Issue Tracking Patch Third Party Advisory |
| https://github.com/webmproject/libvpx/commit/263682c9a29395055f3b3afe2d97be1828a6223f | Patch |
| https://github.com/webmproject/libvpx/commit/df9fd9d5b7325060b2b921558a1eb20ca7880937 | Patch |
| https://github.com/webmproject/libvpx/compare/v1.13.0...v1.13.1 | Patch |
| https://github.com/webmproject/libvpx/releases/tag/v1.13.1 | Release Notes |
| https://lists.debian.org/debian-lts-announce/2023/10/msg00001.html | Mailing List |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TE7F54W5O5RS4ZMAAC7YK3CZWQXIDSKB/ | Mailing List Third Party Advisory |
| https://security.gentoo.org/glsa/202310-04 | Third Party Advisory |
| https://www.debian.org/security/2023/dsa-5518 | Third Party Advisory |