No exploitation reportedFix available

CVE-2022-48339

No exploitation reported by the sources we read.

Published2023-02-20
WeaknessCWE-1116 · CWE-116

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

An issue was discovered in GNU Emacs through 28.2. htmlfontify.el has a command injection vulnerability. In the hfy-istext-command function, the parameter file and parameter srcdir come from external input, and parameters are not escaped. If a file name or directory name contains shell metacharacters, code may be executed.

Timeline

dates in UTC

2023-02-2023:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2022-48339?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2022-48339?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Gnu emacs

Branch	Affected	Fixed in	Source
28.2	≤ 28.2	no fix published	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

emacsAlmaLinux:9all versions · fixed in 1:27.2-8.el9_2.1and 4 other packages
emacsAlmaLinux:8all versions · fixed in 1:26.1-11.el8and 5 other packages

Full record on NVD

Fix

Advisories and patches

git.savannah.gnu.orgPatch

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

CISA-ADPSSVC decisionnone2025-03-18
OpenCVESSVC decisionnone—
CISA-ADPCVSS 3.17.82025-03-18
NVDCVSS 3.17.8read 2026-10-23
CISA-ADPweakness (CWE)CWE-11162025-03-18
NVDweakness (CWE)CWE-116read 2026-10-23
FIRST EPSSEPSS score1.1 %2026-10-23
OSVaffected packages—

Technical details

CVSS v3 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published: 2023-02-20
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2022-48339?

Is CVE-2022-48339 actively exploited?

Active exploitation of CVE-2022-48339 has not been confirmed. Its EPSS score was 1.1% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2022-48339?

CVE-2022-48339 has a CVSS v3 base score of 7.8 (HIGH severity), with vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

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