EM-20261030-EKIJ VulnerabilityHigh severity

pypdf Vulnerability (CVE-2026-119209)

CVE-2026-119209

Status

Developing

Since Oct 30 23:07 UTC: signals keep joining.

First Signal: Oct 29 21:17 UTCC6 NVD CVE API 2.0
Page Born: Oct 30 23:07 UTCsecond source joined
Last Signal: Oct 30 23:07 UTC5 days before snapshot
Sources: 20 official · 2 research, news or crowd
Open For: 6 daysso far

Life Of This Page

1
Born

Oct 30 23:07 UTC
A second, independent source names it.
2
Developing · Now

Oct 30 23:07 UTC
New signals join; severity can move.
3
Confirmed

Not yet
CISA KEV lists it, or exploitation in the wild is reported.
4
Resolved

Not yet
Past the fix deadline and 14 days with no new signal.
5
Archived

Not yet
30 days after resolved. Read only; the link keeps working. Reopens if it comes back.

The ID never changes, and earlier addresses keep working. A correction is logged, never overwritten. If two pages turn out to be one incident, the later one points to the earlier.

Vulnerability Lifecycle

Disclosed: reached

Oct 29 21:17 UTC
C6 NVD published
Scored: reached

Oct 29 21:17 UTC
CVSS 7.1 · EPSS 0.3%
Exploited: not yet

Not yet
No exploitation reported
Advisories: not yet

Not yet
None yet
Vendor Response: not yet

Not yet
None in sources yet
Resolved: not yet

Not yet
After 14 quiet days

Timeline

Point at a mark to read it. Squares are signals, colored by severity; every one is also listed under Signals.

Signals

Oct 30 23:07 UTCGHSA-x3rh-gjgm-fmqc / CVE-2026-119209: pypdf has possible large memory usage when parsing cross-reference streams (opens source in a new tab) pip:pypdf High severityDatabaseC26 GitHub Advisory Database
Oct 29 21:17 UTCCVE-2026-119209 (CVSS 7.1) (opens source in a new tab) pypdf is a free and open-source pure-python PDF library. Prior to 6.21.3, pypdf can consume excessive memory while opening a crafted PDF containing cross-reference streams that declare very large entry counts. Highly com… High severityDatabaseC6 NVD CVE API 2.0