5.5

CVE-2026-50812: sqlite3 NULL Pointer Dereference

CVSS: 5.5v3.1MediumAwaiting analysis
AliasesRHSA-2026:39023UBUNTU-CVE-2026-50812DEBIAN-CVE-2026-50812
Published 08-07-2026Last modified 08-07-2026
Open JSON

Vulnerability summary

CVE-2026-50812 is a medium (CVSS 5.5) NULL Pointer Dereference vulnerability in sqlite3. EPSS estimates a 0.16% chance of exploitation in the next 30 days, higher than 4.8% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.16%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2 · Related 1
MGASA-2026-0305USN-8565-1

Timeline

  1. 08-07-2026
    PublishedVulnerability first disclosed.
  2. 08-07-2026
    Last modifiedVulnerability information updated.

Description

A NULL pointer dereference in the SQLite Session Extension in SQLite 3.53.1 and SQLite trunk builds before check-in e807d4e3798efd53 allows an attacker who can supply a malformed changeset blob to cause a denial of service. The issue occurs when sqlite3changeset_apply_v3() applies a corrupt changeset and reaches sqlite3_value_type() with a NULL sqlite3_value pointer.

CVSS metrics

5 scores · 5 sources · 1 version

EPSS trend

Probability

0.16%

Chance of exploitation in the next 30 days

Percentile

5%

Versus all other CVEs

30-day change

0.00 pp

From 0.16% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.16%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Redhat9 products
  • lemon< 0:3.53.3-1.hum1
  • sqlite< 0:3.53.3-1.hum1
  • sqlite-analyzer< 0:3.53.3-1.hum1
  • sqlite-debug< 0:3.53.3-1.hum1
  • sqlite-devel< 0:3.53.3-1.hum1
Ubuntu2 products
  • sqliteAll versions (No fix recorded)
  • sqlite3All versions (No fix recorded) | < 3.37.2-2ubuntu0.7 | < 3.45.1-1ubuntu2.7 | < 3.46.1-9ubuntu0.2
Debian1 product
  • sqlite3All versions (No fix recorded) | < 3.53.2-1

3 vendors · 12 products

References

14 links
Show all 14 references