Low severity · published Apr 18, 2025
CVE-2025-43903
NSSCryptoSignBackend.cc in Poppler before 25.04.0 does not verify the adbe.pkcs7.sha1 signatures on documents, resulting in potential signature forgeries
3.3
CVSS
0.1%
EPSS
No
On KEV
Description
NSSCryptoSignBackend.cc in Poppler before 25.04.0 does not verify the adbe.pkcs7.sha1 signatures on documents, resulting in potential signature forgeries.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 1% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PO
Poppler · Freedesktop
before 25.04.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-43903
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-43903
Patch
https://gitlab.freedesktop.org/poppler/poppler/-/commit/f1b9c830f145a0042e853d6462b2f9ca4016c669
More from Poppler
7.8
CVE-2021-30860
Apple Multiple Products Integer Overflow Vulnerability
9.8
CVE-2019-9631
Poppler 0.74.0 has a heap-based buffer over-read in the CairoRescaleBox.cc downsample_row_box_filter function
8.8
CVE-2018-21009
Poppler before 0.66.0 has an integer overflow in Parser::makeStream in Parser.cc
8.8
CVE-2019-12293
In Poppler through 0.76.1, there is a heap-based buffer over-read in JPXStream::init in JPEG2000Stream.cc via data with inconsistent heights or widths
8.8
CVE-2019-10872
An issue was discovered in Poppler 0.74.0