CVE catalog
CVE-2026-45382
libde265 is an open source implementation of the h.265 video codec. Prior to version 1.0.19, `decoder_context::decode_slice_unit_tiles` (libde265/decctx.cc:920) reads `pps.CtbAddrRStoTS[ctbAddrRS]` at
- Severity
- Medium · CVSS 6.9
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/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:X/AU:X/R:X/V:X/RE:X/U:X - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.43% · Oct 25, 2026
libde265 is an open source implementation of the h.265 video codec. Prior to version 1.0.19, `decoder_context::decode_slice_unit_tiles` (libde265/decctx.cc:920) reads `pps.CtbAddrRStoTS[ctbAddrRS]` at line 966 where `ctbAddrRS = ctbY * ctbsWidth + ctbX` is computed from PPS-supplied `colBd[]`/`rowBd[]` arrays without validating the result against `CtbAddrRStoTS.size() == sps->PicSizeInCtbsY`. A malformed PPS that passes `set_derived_values` but encodes geometry inconsistent with the SPS produces a `ctbAddrRS` past the allocation, causing a 4-byte heap-buffer-overflow READ. Version 1.0.19 fixes the issue.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | libde265 | sid | 1.1.3-1 | fixed |
| Debian | libde265 | forky | 1.1.3-1 | fixed |
| Debian | libde265 | trixie | 1.0.15-1+deb13u2 | fixed |
| Debian | libde265 | trixie-security | 1.0.15-1+deb13u2 | fixed |
| Debian | libde265 | bookworm | 1.0.11-1+deb12u2 | vulnerable |
| Debian | libde265 | bookworm-security | 1.0.11-1+deb12u3 | fixed |
| Cpe | libde265 | Not reported | Not reported | vulnerable |
| Cpe | libde265 | Not reported | 1.0.15-1ubuntu0.1 | fixed |
| Cpe | libde265-0 | Not reported | 1.0.15-1ubuntu0.1 | fixed |
| Cpe | libde265-dev | Not reported | 1.0.15-1ubuntu0.1 | fixed |
| Cpe | libde265-examples | Not reported | 1.0.15-1ubuntu0.1 | fixed |
| Ubuntu | libde265 | pro | 1.0.16-1 | vulnerable |
| Ubuntu | libde265 | pro | 1.0.16-1build1 | vulnerable |
| Ubuntu | libde265 | pro | 1.0.16-1ubuntu0.1~esm1 | fixed |
| Ubuntu | libde265 | 24.04 | 1.0.12-2 | vulnerable |
| Ubuntu | libde265 | 24.04 | 1.0.13-1 | vulnerable |
| Ubuntu | libde265 | 24.04 | 1.0.15-1 | vulnerable |
| Ubuntu | libde265 | 24.04 | 1.0.15-1build1 | vulnerable |
| Ubuntu | libde265 | 24.04 | 1.0.15-1build2 | vulnerable |
| Ubuntu | libde265 | 24.04 | 1.0.15-1build3 | vulnerable |
| Ubuntu | libde265 | 24.04 | 1.0.15-1ubuntu0.1 | fixed |
| Ubuntu | libde265 | 25.10 | 1.0.15-1build5 | vulnerable |
| Ubuntu | libde265 | 25.10 | 1.0.16-1 | vulnerable |
| Alpine | libde265 | 3.24 | 1.1.3-r0 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | libde265 | source | sid | 1.1.1-1 | not yet assigned | Not reported | Not reported |
| Debian | libde265 | source | forky | 1.1.1-1 | not yet assigned | Not reported | Not reported |
| Debian | libde265 | source | trixie | 1.0.15-1+deb13u1 | not yet assigned | Not reported | Not reported |
| Debian | libde265 | source | bookworm | 1.0.11-1+deb12u3 | not yet assigned | Not reported | Not reported |
| Cpe | libde265 | cpe | Not reported | 1.0.15-1ubuntu0.1 | Not reported | Not reported | Not reported |
| Cpe | libde265-0 | cpe | Not reported | 1.0.15-1ubuntu0.1 | Not reported | Not reported | Not reported |
| Cpe | libde265-dev | cpe | Not reported | 1.0.15-1ubuntu0.1 | Not reported | Not reported | Not reported |
| Cpe | libde265-examples | cpe | Not reported | 1.0.15-1ubuntu0.1 | Not reported | Not reported | Not reported |
| Ubuntu | libde265 | deb | pro | 1.0.16-1ubuntu0.1~esm1 | Not reported | UBUNTU-CVE-2026-45382 | Not reported |
| Ubuntu | libde265 | deb | 24.04 | 1.0.15-1ubuntu0.1 | Not reported | UBUNTU-CVE-2026-45382 | Not reported |
| Alpine | libde265 | apk | 3.24 | 1.1.3-r0 | Not reported | ALPINE-CVE-2026-45382 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [libde265-0]Affected
Source package: [libde265]
Details (2)
1.0.11-1+deb12u2· amd64 · bookwormAffected · Fixed:
1.0.11-1+deb12u3nvd · libde265 · debian · bookworm; nvd · libde265 · debian · 12
1.0.11-1+deb12u2· arm64 · bookwormAffected · Fixed:
1.0.11-1+deb12u3nvd · libde265 · debian · bookworm; nvd · libde265 · debian · 12
- [libde265-dev]Affected
Source package: [libde265]
Details (2)
1.0.11-1+deb12u2· amd64 · bookwormAffected · Fixed:
1.0.11-1+deb12u3nvd · libde265 · debian · bookworm; nvd · libde265 · debian · 12
1.0.11-1+deb12u2· arm64 · bookwormAffected · Fixed:
1.0.11-1+deb12u3nvd · libde265 · debian · bookworm; nvd · libde265 · debian · 12
- [libde265-examples]Affected
Source package: [libde265]
Details (2)
1.0.11-1+deb12u2· amd64 · bookwormAffected · Fixed:
1.0.11-1+deb12u3nvd · libde265 · debian · bookworm; nvd · libde265 · debian · 12
1.0.11-1+deb12u2· arm64 · bookwormAffected · Fixed:
1.0.11-1+deb12u3nvd · libde265 · debian · bookworm; nvd · libde265 · debian · 12
[Debian 13 (Trixie)]
- [libde265-0]Affected
Source package: [libde265]
Details (5)
1.0.15-1+b3· amd64 · trixieAffected · Fixed:
1.0.15-1+deb13u1nvd · libde265 · debian · 13
1.0.15-1+b3· arm64 · trixieAffected · Fixed:
1.0.15-1+deb13u1nvd · libde265 · debian · 13
1.0.15-1+deb13u1· amd64 · trixie-security · Historical versionFixed · Fixed:
1.0.15-1+deb13u1nvd · libde265 · debian · 13
1.0.15-1+deb13u1· arm64 · trixie-securityFixed · Fixed:
1.0.15-1+deb13u1nvd · libde265 · debian · 13
1.0.15-1+deb13u2· amd64 · trixie-securityFixed · Fixed:
1.0.15-1+deb13u1nvd · libde265 · debian · 13
- [libde265-dev]Affected
Source package: [libde265]
Details (5)
1.0.15-1+b3· amd64 · trixieAffected · Fixed:
1.0.15-1+deb13u1nvd · libde265 · debian · 13
1.0.15-1+b3· arm64 · trixieAffected · Fixed:
1.0.15-1+deb13u1nvd · libde265 · debian · 13
1.0.15-1+deb13u1· amd64 · trixie-security · Historical versionFixed · Fixed:
1.0.15-1+deb13u1nvd · libde265 · debian · 13
1.0.15-1+deb13u1· arm64 · trixie-securityFixed · Fixed:
1.0.15-1+deb13u1nvd · libde265 · debian · 13
1.0.15-1+deb13u2· amd64 · trixie-securityFixed · Fixed:
1.0.15-1+deb13u1nvd · libde265 · debian · 13
- [libde265-examples]Affected
Source package: [libde265]
Details (5)
1.0.15-1+b3· amd64 · trixieAffected · Fixed:
1.0.15-1+deb13u1nvd · libde265 · debian · 13
1.0.15-1+b3· arm64 · trixieAffected · Fixed:
1.0.15-1+deb13u1nvd · libde265 · debian · 13
1.0.15-1+deb13u1· amd64 · trixie-security · Historical versionFixed · Fixed:
1.0.15-1+deb13u1nvd · libde265 · debian · 13
1.0.15-1+deb13u1· arm64 · trixie-securityFixed · Fixed:
1.0.15-1+deb13u1nvd · libde265 · debian · 13
1.0.15-1+deb13u2· amd64 · trixie-securityFixed · Fixed:
1.0.15-1+deb13u1nvd · libde265 · debian · 13
Observed:
References
- [https://github.com/strukturag/libde265/security/advisories/GHSA-hwhx-x2mq-ccr9]
- [https://nvd.nist.gov/vuln/detail/CVE-2026-45382]
- [https://osv.dev/vulnerability/ALPINE-CVE-2026-45382]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2026-45382]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2026-45382]
- [https://security-tracker.debian.org/tracker/CVE-2026-45382]
- [https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-45382.json]
- [https://ubuntu.com/security/notices/USN-8573-1]
[Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [Ubuntu Security Notices (USN)]