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01
Record
STATE: —
02
Description
SRC: CNA
03
Metadata
SCHEMA: CVE JSON 5
04
Affected products
PAIRS: —
05
References
REFS: —
01
Record
STATE: PUBLISHED
CVE-2026-77219
GNU Emacs < 31.0.91 Heap Over-Read via PBM/PPM/PGM Image Loader
Medium
PUBLISHED
CNA: VulnCheck
Base score
6.9
CVSS v4.0
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N
View raw JSON
CVE Program record
02
Description
CNA: VulnCheck
GNU Emacs < 31.0.91 Heap Over-Read via PBM/PPM/PGM Image Loader
03
Metadata
SCHEMA: 5.2
Published
2026-08-21 20:20Z
5 HR AGO
Last updated
2026-08-21 21:42Z
3 HR AGO
Reserved
2026-08-20
Assigning CNA
VulnCheck
Record state
PUBLISHED
Severity
Medium (CVSS 6.9)
CVSS vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N
Weaknesses
CWE-125
Out-of-bounds Read
Base
CWE-190
Integer Overflow or Wraparound
Base
SSVC decision
Exploitation
none
Automatable
no
Technical Impact
partial
Data version
5.2
Document digest
c228ec6dc1bced863d9a9b1303b424aa5d73c1e53761b72b0fd88bd1e64c8791
04
Affected products
PAIRS: 1
Vendor
Product
Versions
Platforms
GNU
Emacs
0 to < 31.0.91
—
05
References
REFS: 4
debbugs.gnu.org
Bug Report
https://debbugs.gnu.org/cgi/bugreport.cgi?bug=81344
issue-tracking
github.com
Release Tag
https://github.com/emacs-mirror/emacs/releases/tag/emacs-31.0.91
release-notes
github.com
Patch Commit
https://github.com/emacs-mirror/emacs/commit/b07e634e4cf45162ae0178e32092b040587f2c6c
patch
www.vulncheck.com
https://www.vulncheck.com/advisories/gnu-emacs-heap-over-read-via-pbm-ppm-pgm-image-loader
third-party-advisory