CVE-2026-71393
CVE-2026-71393: 1 tracked advisory record across Red Hat. Compare vendor sources and published fix guidance.
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Vendor advisory comparison
Red Hat
1 advisory- Advisory severityHigh7.8
High [CVE-2026-71393] integer overflow via a malicious font file
CVE-2026-71393Source published Source updated
GNU Emacs for Android is vulnerable to an integer overflow in sfnt_read_name_table() in src/sfnt.c. The function computes an allocation size using a 32-bit length value from a TrueType font file without overflow checking. On 32-bit targets, a crafted font causes the calculation to wrap, resulting in an undersized heap allocation. A subsequent read() call writes beyond the buffer, causing a heap buffer overflow. 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 can lead to heap memory corruption and potential code execution. This issue was fixed in commit d51a4722316efe0960994d371e1859099894d1ca An integer overflow can occur when a specially crafted font file is processed on 32-bit systems due to…
- Affected products in this advisory
- No product details extracted. Check the source bulletin.
- Source-reported affected versions
- Affected-version details not available in this record.
- Source-reported fixed versions
- No fixed-version detail extracted. This does not mean no fix exists.
- Mitigation guidance
- Do not load untrusted font files or open unverified documents with custom faces.
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