🛡️ CVE-2026-71394

⚪ Unknown ✅ No Known Exploit CWE-1284 NVD
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

GNU Emacs for Android improperly validates the table header input in sfnt_read_table_directory() in src/sfnt.c. Due to an incorrect comparison variable in the read-length check, a crafted font file that claims to contain more table directory entries than actually present causes the parser to return a struct with uninitialized heap memory in the table directory entries. An attacker can deliver a malicious font file via email, EWW (Emacs Web Wowser), or documents with custom faces, causing Emacs to load it. This leads to the use of uninitialized heap data in subsequent table lookups, potentially resulting in information disclosure, crashes, or arbitrary memory access on 32-bit targets.

This issue is fixed after commit 7621ee1d01229d50e5c0cddea6bf0b01095a62cf

Affected software

CVE-2026-71394 is recorded against 1 package.

  • unknown

Timeline and source

Published on 10 August 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

cert.pl
www.gnu.org

Details

Severity Unknown
CVSS Score N/A
CVSS Vector N/A
CWE CWE-1284
Public Exploit ✅ No
Source NVD
Published 2026-08-10
Updated 2026-08-11
Modified 2026-08-10
Fix URL N/A

Affected Packages

Software From version Fixed in
unknown — —

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