2.5

CVE-2026-107570: Use of Out-of-range Pointer Offset in mutt

Deferred
AliasesDEBIAN-CVE-2026-107570openSUSE-SU-2026:12094-1UBUNTU-CVE-2026-107570
Published 08-10-2026Last modified 09-10-2026
Some data may be incomplete
  • 7 references with an unsupported link type were hidden.

Vulnerability summary

CVE-2026-107570 is a low (CVSS 2.5) Use of Out-of-range Pointer Offset vulnerability in mutt. EPSS estimates a 0.15% chance of exploitation in the next 30 days, higher than 4.3% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 2.5, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
2.5/10
010
Low · v3.1 (CVE.org)
EPSS score
0.15%
0%100%
Low · Change unavailable
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Timeline

  1. 08-10-2026
    PublishedVulnerability first disclosed.
  2. 09-10-2026
    Last modifiedVulnerability information updated.

Description

heap OOB write in convert_file_from_to() via a crafted Content-Type header allows attacker to OOB write when email is used as a template.

CVSS metrics

5 scores · 5 sources · 1 version

EPSS trend

Probability

0.15%

Chance of exploitation in the next 30 days

Percentile

4%

Versus all other CVEs

30-day change

Change unavailable

Change unavailable

09-10-202603-11-2026

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, user interaction (CVSS vector). Other conditions: not stated in public data.

Suse15 products
  • mutt&distro=SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS< 1.10.1-150000.3.32.1
  • mutt&distro=SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS< 1.10.1-150000.3.32.1
  • mutt&distro=SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS< 1.10.1-150000.3.32.1
  • mutt&distro=SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS< 1.10.1-150000.3.32.1
  • mutt&distro=SUSE Linux Enterprise Module for Basesystem 15 SP7< 2.2.14-150600.3.9.1
Opensuse2 products
  • mutt&distro=openSUSE Leap 16.0< 2.2.16-160000.3.1
  • mutt&distro=openSUSE Tumbleweed< 2.4.2-2.1
Alpine1 product
  • mutt< 2.2.16-r1 | < 2.3.2-r1
Debian1 product
  • muttAll versions (No fix recorded) | < 2.2.13-1+deb13u2 | < 2.4.1-1.1
Mageia1 product
  • mutt< 2.4.3-1.mga10
Mutt1 product
Ubuntu1 product
  • muttAll versions (No fix recorded)

7 vendors · 22 products

References

16 links
Show all 16 references