What is CVE-2019-19887?

CVE-2019-19887 is a medium-severity vulnerability in Rockcarry Ffjpeg, classified under NULL Pointer Dereference. CVSS score: 6.5/10. Published 2019-12-18.

How severe is CVE-2019-19887?

Medium severity. CVSS v3 base score is 6.5 out of 10.

NULL pointer dereference in Rockcarry Ffjpeg

CVE-2019-19887

bitstr_tell at bitstr.c in ffjpeg through 2019-08-21 has a NULL pointer dereference related to jfif_encode.

Published 2019-12-18 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.011 (65.3th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 65.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Rockcarry Ffjpeg

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

References

github.com/rockcarry/ffjpeg/issues/14 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2019-19887?: CVE-2019-19887 is a medium-severity vulnerability in Rockcarry Ffjpeg, classified under NULL Pointer Dereference. CVSS score: 6.5/10. Published 2019-12-18.
How severe is CVE-2019-19887?: Medium severity. CVSS v3 base score is 6.5 out of 10.