Widely used ImageMagick library; RCE via crafted XBM image; impacts multiple industries.
CVE-2026-23876
Heap overflow in ImageMagick XBM decoder enables RCE via crafted images.
Is CVE-2026-23876 being exploited?
Not confirmed. CVE-2026-23876 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.60% probability of exploitation in the next 30 days.
How severe is CVE-2026-23876?
CVE-2026-23876 is rated High with a CVSS score of 8.1. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-23876?
Yes. A fix has been recorded for CVE-2026-23876. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-23876 affect?
CVE-2026-23876 affects ImageMagick < 7.1.2-13, ImageMagick < 6.9.13-38, XBM decoder (ReadXBMImage) in ImageMagick. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-23876?
Upgrade to fixed releases: 7.1.2-13 or 6.9.13-38
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
RCE via crafted XBM images during image read/identify in pipelines.
Patch when possible
- affected< 7.1.2-13
- affected< 6.9.13-38
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.