
CVE catalog
CVE-2026-111159
libewf through 20260924 contains a heap out-of-bounds read vulnerability in libewf_lef_extended_attribute_read_data() because UTF-16 name and value sizes are validated before being doubled. Attackers
- Severity
- Medium · CVSS 6.9
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:H/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
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 0.13% · Oct 25, 2026
libewf through 20260924 contains a heap out-of-bounds read vulnerability in libewf_lef_extended_attribute_read_data() because UTF-16 name and value sizes are validated before being doubled. Attackers can supply a crafted .L01/.Lx01 file with oversized 'ea' metadata counts to crash the application or leak uninitialized heap memory through extended attributes.
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 | libewf | sid | 20140816-2 | unknown |
| Debian | libewf | forky | 20140816-2 | unknown |
| Debian | libewf | trixie | 20140816-1 | unknown |
| Debian | libewf | bookworm | 20140813-1 | unknown |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | libewf | source | sid | (unfixed) | not yet assigned | Not reported | Not reported |
| Debian | libewf | source | forky | (unfixed) | not yet assigned | Not reported | Not reported |
| Debian | libewf | source | trixie | (unfixed) | not yet assigned | Not reported | Not reported |
| Debian | libewf | source | bookworm | (unfixed) | not yet assigned | Not reported | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [ewf-tools]Affected
Source package: [libewf]
Details (2)
20140813-1+b1· amd64 · bookwormAffected
nvd · libewf · debian · bookworm; nvd · libewf · debian · 12
20140813-1+b1· arm64 · bookwormAffected
nvd · libewf · debian · bookworm; nvd · libewf · debian · 12
- [libewf2]Affected
Source package: [libewf]
Details (2)
20140813-1+b1· amd64 · bookwormAffected
nvd · libewf · debian · bookworm; nvd · libewf · debian · 12
20140813-1+b1· arm64 · bookwormAffected
nvd · libewf · debian · bookworm; nvd · libewf · debian · 12
- [libewf-dev]Affected
Source package: [libewf]
Details (2)
20140813-1+b1· amd64 · bookwormAffected
nvd · libewf · debian · bookworm; nvd · libewf · debian · 12
20140813-1+b1· arm64 · bookwormAffected
nvd · libewf · debian · bookworm; nvd · libewf · debian · 12
- [python3-libewf]Affected
Source package: [libewf]
Details (2)
20140813-1+b1· amd64 · bookwormAffected
nvd · libewf · debian · bookworm; nvd · libewf · debian · 12
20140813-1+b1· arm64 · bookwormAffected
nvd · libewf · debian · bookworm; nvd · libewf · debian · 12
[Debian 13 (Trixie)]
- [ewf-tools]Affected
Source package: [libewf]
Details (2)
20140816-1+b1· amd64 · trixieAffected
nvd · libewf · debian · 13
20140816-1+b1· arm64 · trixieAffected
nvd · libewf · debian · 13
- [libewf2]Affected
Source package: [libewf]
Details (2)
20140816-1+b1· amd64 · trixieAffected
nvd · libewf · debian · 13
20140816-1+b1· arm64 · trixieAffected
nvd · libewf · debian · 13
- [libewf-dev]Affected
Source package: [libewf]
Details (2)
20140816-1+b1· amd64 · trixieAffected
nvd · libewf · debian · 13
20140816-1+b1· arm64 · trixieAffected
nvd · libewf · debian · 13
- [python3-libewf]Affected
Source package: [libewf]
Details (2)
20140816-1+b1· amd64 · trixieAffected
nvd · libewf · debian · 13
20140816-1+b1· arm64 · trixieAffected
nvd · libewf · debian · 13
Observed:
References
- [https://github.com/libyal/libewf]
- [https://github.com/libyal/libewf/blob/d76fd0bb21601e2969bc88ffdaeb861023f6a5b2/libewf/libewf_lef_extended_attribute.c#L362-L408]
- [https://github.com/libyal/libewf/blob/d76fd0bb21601e2969bc88ffdaeb861023f6a5b2/libewf/libewf_lef_extended_attribute.c#L456-L560]
- [https://hackmd.io/@haind-pwn/libewf-lef-extended-attribute-utf16-size-oob-read]
- [https://nvd.nist.gov/vuln/detail/CVE-2026-111159]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2026-111159]
- [https://security-tracker.debian.org/tracker/CVE-2026-111159]
- [https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-111159.json]
- [https://www.vulncheck.com/advisories/libewf-through-20260924-heap-out-of-bounds-read-via-l01-extended-attribute-parsing]
[Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]