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CVE-2026-39113: sqlite3 Heap-based Buffer Overflow

Deferred
AliasesUBUNTU-CVE-2026-39113USN-8775-1DEBIAN-CVE-2026-39113
Published 25-08-2026Last modified 31-08-2026

Vulnerability summary

CVE-2026-39113 is a medium (CVSS 4.0) Heap-based Buffer Overflow vulnerability in sqlite3. EPSS estimates a 0.19% chance of exploitation in the next 30 days, higher than 8.8% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 4, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
4.0/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.19%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Timeline

  1. 25-08-2026
    PublishedVulnerability first disclosed.
  2. 31-08-2026
    Last modifiedVulnerability information updated.

Description

Buffer Overflow vulnerability in SQLite affected version source snapshots/builds containing Fossil check-in 8bdc0d485e3ad0c7a1e818da66f106951d496b05cbe61d12c2c448f2f24b6d5d (Git mirror 169f68ed88b34cb68f720191c64c058f2ccec508, 2026-03-11) and later snapshots/builds allows an attacker to cause a denial of service via the ext/misc/sqlar.c, sqlarUncompressFunc(), sqlar_uncompress(), sqlite3_value_int64(), sqlite3_malloc(int), uncompress() components

CVSS metrics

5 scores · 5 sources · 1 version

EPSS trend

Probability

0.19%

Chance of exploitation in the next 30 days

Percentile

9%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.19% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: local access, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Redhat9 products
  • lemon< 0:3.53.4-1.hum1
  • sqlite< 0:3.53.4-1.hum1
  • sqlite-analyzer< 0:3.53.4-1.hum1
  • sqlite-debug< 0:3.53.4-1.hum1
  • sqlite-devel< 0:3.53.4-1.hum1
Ubuntu2 products
  • sqliteAll versions (No fix recorded)
  • sqlite3< 3.22.0-1ubuntu0.7+esm3 | < 3.31.1-4ubuntu0.7+esm2 | < 3.37.2-2ubuntu0.8 | < 3.45.1-1ubuntu2.8 | < 3.46.1-9ubuntu0.3
Debian1 product
  • sqlite3All versions (No fix recorded) | < 3.53.2-1

3 vendors · 12 products

References

16 links
Show all 16 references