CVE-2023-49060

criticalpriority · track · 39EPSS 0.006 · 50 %ileDEEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.64% (50th) EPSS

CVSS 9.8 · critical

Is it mine?

19 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

An attacker could have accessed internal pages or data by ex-filtrating a security key from ReaderMode via the `referrerpolicy` attribute. This vulnerability affects Firefox for iOS < 120.

cvss

Technical severity, 0–10. One row per scoring source.

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.6–9.8

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.17.6highAV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:Lsecondary · FSTEC (BDU) RU

v3.19criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-200USCWE-264US

affected products (19)

Products and version ranges known to be affected.

Amazon Linux 2all versionscert_bundDEcpe:/o:amazon:linux_2:-
Debian Linuxall versionscert_bundDEcpe:/o:debian:debian_linux:-
Fedora Linuxall versionscert_bundDEcpe:/o:fedoraproject:fedora:-
Gentoo Linuxall versionscert_bundDEcpe:/o:gentoo:linux:-
IGEL OSall versionscert_bundDEcpe:/o:igel:os:-
Mozilla Firefox <120all versionscert_bundDE
Mozilla Firefox ESR <115.5all versionscert_bundDE
Mozilla Thunderbird <115.5.0all versionscert_bundDE
Oracle Linuxall versionscert_bundDEcpe:/o:oracle:linux:-
Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-
SUSE Linuxall versionscert_bundDEcpe:/o:suse:suse_linux:-
SUSE openSUSEall versionscert_bundDEcpe:/o:suse:opensuse:-
Ubuntu Linuxall versionscert_bundDEcpe:/o:canonical:ubuntu_linux:-
Mozilla Firefox< 120cert_bundDE
Mozilla Firefox ESR< 115.5cert_bundDE
Mozilla Thunderbird< 115.5.0cert_bundDE
Mozilla Firefox for iOSunspecified → 120enisa_euvdEU
Mozilla Corp. Firefox≤ 120fstec_bduRU
mozilla firefox mobile< 120.0nvdUScpe:2.3:a:mozilla:firefox_mobile:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-2995Mozilla Firefox, Mozilla Firefox ESR und Mozilla Thunderbird: Mehrere SchwachstellenDeutsch2023-11-21csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Mozilla Firefox, Mozilla Firefox ESR und Mozilla Thunderbird ausnutzen, um beliebigen Code auszuführen, Sicherheitsmaßnahmen zu umgehen, vertrauliche Informationen offenzulegen oder einen Denial-of-Service-Zustand zu verursachen.

also known as (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund nvd NVD CVE.org MITRE

published 2023-11-21modified 2026-08-19

references (7)

External citations — patches, advisories, analysis.

scry

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