Heap-based buffer overflow in the string_vformat function in string.c in Exim before 4.70 allows remote attackers to execute arbitrary code via an SMTP session that includes two MAIL commands in conjunction with a large message containing crafted headers, leading to improper reje…
Evidence confidence: Exploitation recorded
No source documents yet.
● Hype ● Reality
Earlier evidence-support scores are retained in history; this chart shows only the current priority definition.
First record: hype 0.0 · reality 8.8 (2026-11-02 15:11). The curve appears once the score changes.
Public exploit entries / repo candidates
Source entries and unverified repository candidates are counted separately.
Reality is general threat/review priority, combining observed exploitation, CVSS severity and fresh EPSS. Evidence confidence is separate. This is not calibrated risk, a victim count or an asset-specific assessment. A range reflects missing numeric inputs.
Score evaluated: 2026-11-05 13:57:25.923231+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z