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Fencer Vulns
medium 6.5

CVE-2025-0510 json

Address of e-mail sender can be spoofed by malicious email

published 2025-02-04 21 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-1726

cvss
6.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 21%
public exploits
0
none known

Summary

Thunderbird displayed an incorrect sender address if the From field of an email used the invalid group name syntax that is described in CVE-2024-49040. This vulnerability was fixed in Thunderbird 128.7 and Thunderbird 135.

Patch / fix

  • mozilla thunderbird 128.7, 135
  • thunderbird Debian 12 1:128.7.0esr-1~deb12u1
  • thunderbird Debian 14, Debian 13 1:128.7.0esr-1

debian advisories DEBIAN-CVE-2025-0510

  • thunderbird Ubuntu 22.04 LTS 1:128.12.0+build1-0ubuntu0.22.04.1

ubuntu advisories UBUNTU-CVE-2025-0510

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • thunderbird RHEL 8 128.7.0-1.el8_10
  • thunderbird RHEL 9 128.7.0-1.el9_5
  • thunderbird RHEL 8.2 AUS 128.7.0-1.el8_2
  • thunderbird RHEL 8.8 EUS 128.7.0-1.el8_8
  • thunderbird RHEL 8.6 TUS, RHEL 8.6 E4S, RHEL 8.6 AUS 128.7.0-1.el8_6
  • thunderbird RHEL 8.4 TUS, RHEL 8.4 E4S, RHEL 8.4 AUS 128.7.0-1.el8_4
  • thunderbird RHEL 9.0 E4S 128.7.0-1.el9_0
  • thunderbird RHEL 9.2 EUS 128.7.0-1.el9_2

red hat advisories RHSA-2025:1348RHSA-2025:1340RHSA-2025:1341RHSA-2025:1339RHSA-2025:1319RHSA-2025:1317

  • MozillaThunderbird SLE Workstation Extension 15 SP6, SLE Module for Package Hub 15 SP6, openSUSE Leap 15.6 128.7.0-150200.8.200.1

suse advisories SUSE-SU-2025:0405-1

  • MozillaThunderbird openSUSE Tumbleweed 128.7.0-1.1

opensuse advisories openSUSE-SU-2025:14731-1

  • thunderbird AlmaLinux 8 128.7.0-1.el8_10.alma.1
  • thunderbird AlmaLinux 9 128.7.0-1.el9_5.alma.1

almalinux advisories ALSA-2025:1292ALSA-2025:1184

  • thunderbird Rocky Linux 8 128.7.0-1.el8_10

rocky linux advisories RLSA-2025:1292

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2025-0510 updated cvss 7.1

thunderbird: Address of e-mail sender can be spoofed by malicious email

  • Red Hat Enterprise Linux 6 thunderbird Red Hat Enterprise Linux 7 thunderbird
    affected: no fix planned “Out of support scope”
  • Red Hat Enterprise Linux 9 thunderbird-flatpak-container
    affected: no fix available
  • Red Hat Enterprise Linux AppStream (v. 8) thunderbird 128.7.0-1.el8_10
    fixed: vendor fix RHSA-2025:1292
  • Red Hat Enterprise Linux AppStream (v. 9) thunderbird 128.7.0-1.el9_5
    fixed: vendor fix RHSA-2025:1184
  • Red Hat Enterprise Linux AppStream AUS (v. 8.2) thunderbird 128.7.0-1.el8_2
    fixed: vendor fix RHSA-2025:1348
  • Red Hat Enterprise Linux AppStream AUS (v.8.4) thunderbird 128.7.0-1.el8_4
    fixed: vendor fix RHSA-2025:1339
  • Red Hat Enterprise Linux AppStream AUS (v.8.6) thunderbird 128.7.0-1.el8_6
    fixed: vendor fix RHSA-2025:1341
  • Red Hat Enterprise Linux AppStream E4S (v.8.4) thunderbird 128.7.0-1.el8_4
    fixed: vendor fix RHSA-2025:1339
show 8 more
  • Red Hat Enterprise Linux AppStream E4S (v.8.6) thunderbird 128.7.0-1.el8_6
    fixed: vendor fix RHSA-2025:1341
  • Red Hat Enterprise Linux AppStream E4S (v.9.0) thunderbird 128.7.0-1.el9_0
    fixed: vendor fix RHSA-2025:1319
  • Red Hat Enterprise Linux AppStream EUS (v.8.8) thunderbird 128.7.0-1.el8_8
    fixed: vendor fix RHSA-2025:1340
  • Red Hat Enterprise Linux AppStream EUS (v.9.2) thunderbird 128.7.0-1.el9_2
    fixed: vendor fix RHSA-2025:1317
  • Red Hat Enterprise Linux AppStream EUS (v.9.4) thunderbird 128.7.0-1.el9_4
    fixed: vendor fix RHSA-2025:1318
  • Red Hat Enterprise Linux AppStream TUS (v.8.4) thunderbird 128.7.0-1.el8_4
    fixed: vendor fix RHSA-2025:1339
  • Red Hat Enterprise Linux AppStream TUS (v.8.6) thunderbird 128.7.0-1.el8_6
    fixed: vendor fix RHSA-2025:1341
  • Red Hat Enterprise Linux 10 thunderbird, thunderbird-flatpak-container
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
21 mo ago

Exploit prediction

0.29% chance of exploitation in the next 30 days, higher than 21% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
NVD 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
CNA 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Affected products

  • Mozilla Thunderbird

Classification

Weakness
  • CWE-345 Insufficient Verification of Data Authenticity

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.